//M1//QN1//MCQ//DL0

Which of the following is used as an atmospheric pollution indicator?

(A) Lepidoptera (B) Lichens (C) Lycopersicon (D) Lycopodium

//X

(B) Lichens

//M1//QN2//MCQ//DL0

Palaeontological evidences for evolution refer to the :

(A) Development of embryo (B) Homologous organs (C) Fossils (D) Analogous organs.

//X

(C) Fossils

//M1//QN3//MCQ//DL0

The theory of spontaneous generation stated that:

(A) Life arose from living forms only (B) Life can arise from both living and non-living (C) Life can arise from non-living things only. (D) Life arises spontaneously, neither from living nor from the non-living.

//X

(C) Life can arise from non-living things only.

//M1//QN4//MCQ//DL0

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because:

(A) One organism has given rise to another (B) They share a common ancestor (C) They perform the same function (D) They have biochemical similarities

//X

(B) They share a common ancestor

//M1//QN5//MCQ//DL0

Analogous organs arise due to:

(A) Divergent evolution (B) Artificial selection (C) Genetic drift (D) Convergent evolution

//X

(D) Convergent evolution

//M1//QN6//MCQ//DL0

(p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in:

(A) Population genetics (B) Mendelian genetics (C) Biometrics (D) Molecular genetics

//X

(A) Population genetics

//M1//QN7//MCQ//DL0

The appearance of antibiotic-resistant bacteria is an example of:

(A) Adaptive radiation (B) Transduction (C) Pre-existing variation in the population (D) Divergent evolution

//X

(C) Pre-existing variation in the population

//M1//QN8//MCQ//DL0

Evolution of life shows that life forms had a trend of moving from:

(A) Land to water (B) Dryland to wetland (C) Freshwater to seawater (D) Water to land

//X

(D) Water to land

//M1//QN9//MCQ//DL0

Viviparous is considered to be more evolved because:

(A) The young ones are left on their own (B) The young ones are protected by a thick shell (C) The young ones are protected inside the mother’s body and are looked after they are born leading to more chances of survival (D) The embryo takes a long time to develop

//X

(C) The young ones are protected inside the mother’s body and are looked after they are born leading to more chances of survival

//M1//QN10//MCQ//DL0

Fossils are generally found in:

(A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) Any type of rock

//X

(A) Sedimentary rocks

//M1//QN11//MCQ//DL0

For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively. The expected frequency of MN-blood group bearing organisms is likely to be

(A) 42% (B) 49% (C) 9% (D) 58%

//X

(A) 42%

//M1//QN12//MCQ//DL0

Which type of selection explains industrial melanism observed in the moth, Boston Bulgaria :

(A) Stabilising (B) Directional (C) Disruptive (D) Artificial

//X

(B) Directional

//M1//QN13//MCQ//DL0

Variations during mutations of meiotic recombinations are :

(A) random and directionless (B) random and directional (C) small and directional (D) random, small and directional

//X

(A) random and directionless

//M1//QN14//MCQ//DL0

Match the scientists listed under column ‘I’ with ideas listed column ‘II’.

Column I | Column II
A | Darwin | i | abiogenesis
B | Oparin | ii | use and disuse of organs
C | Lamarck | iii | continental drift theory
D | Wagner | iv | evolution by natural selection

(A) A – i; B – iv; C – ii; D – iii (B) A – iv; B – i; C – ii; D – iii (C) A – ii; B – iv; C – iii; D – i (D) A – iv; B – iii; C – ii; D – i

//X

(B) A – iv; B – i; C – ii; D – iii

//M1//QN15//MCQ//DL0

The most accepted line of descent in human evolution is :

(A) Australopithecus → Ramapithecus → Homo sapiens → Homo habilis (B) Homo erectus → Homo habilis → Homo sapiens (C) Ramapithecus → Homo habilis → Homo erectus → Homo sapiens (D) Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens.

//X

(C) Ramapithecus → Homo habilis → Homo erectus → Homo sapiens

//M1//QN16//MCQ//DL0

Which of the following is an example for link species?

(A) Lobefins (B) Dodo bird (C) Seaweed (D) Chimpanzee

//X

(A) Lobefins

//M1//QN17//MCQ//DL0

In 1953 S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for the origin of the first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include :

(A) low temperature, volcanic storms, atmosphere rich in oxygen (B) low temperature, volcanic storms, reducing atmosphere (C) high temperature, volcanic storms, non-reducing atmosphere (D) high temperature, volcanic storms, reducing atmosphere containing CH4, NH3 etc.

//X

(D) high temperature, volcanic storms, reducing atmosphere containing CH4, NH3 etc.

//M1//QN18//MCQ//DL0

What is the theory of spontaneous generation?

(A) Origin of life from non-life (B) Origin of animals from the navel of God (C) Biblical story of the creation of Adam (D) The theory that man is generating his numbers in geometrical progression

//X

(A) Origin of life from non-life

//M1//QN19//MCQ//DL0

How many years ago life has originated?

(A) 8 billion years ago (B) 6 billion years ago (C) 4 billion years ago (D) 1 billion years ago

//X

(C) 4 billion years ago

//M1//QN20//MCQ//DL0

In the solar system of the milky way galaxy, earth was supposed to have been formed about _________ billion years back

(A) 4 (B) 5 (C) 4.5 (D) 3.5

//X

(C) 4.5

//M1//QN21//MCQ//DL0

Big Bang theory explains _________.

(A) Origin of Universe (B) Origin of Sun (C) Laws of physics (D) None of the above

//X

(A) Origin of Universe

//M1//QN22//MCQ//DL0

On earth which evolve last from following?

(A) Life (B) First Cell (C) Oxygen (D) Ammonia

//X

(B) First Cell

//M1//QN23//MCQ//DL0

On earth, from the following which evolve first ?

(A) First cell (B) Oxygen (C) H2O (D) Life

//X

(C) H2O

//M1//QN24//MCQ//DL0

Galaxies in universe contain

(A) Stars (B) Cloud of gas (C) Dust (D) All of these

//X

(D) All of these

//M1//QN25//MCQ//DL0

Energy to break water into H2 and O2 come from _________ on early earth

(A) UV rays (B) Infrared rays (C) Volcanic eruptions (D) X-rays

//X

(A) UV rays

//M1//QN26//MCQ//DL0

Which Gases were produced from molten mass of early earth?

(A) Ammonia (B) Methane (C) Water vapour (D) All of these

//X

(D) All of these

//M1//QN27//MCQ//DL0

Which event occur lastly on early earth?

(A) Ozone formation (B) UV rays act on water to form oxygen and hydrogen (C) CO2 release from molten earth (D) NH3 release from molten earth

//X

(A) Ozone formation

//M1//QN28//MCQ//DL0

Ocean developed in early earth when

(A) Condensation of water vapours occur (B) Ozone form (C) Water breakdown into H2 and O2 (D) CO2 release from molten earth

//X

(A) Condensation of water vapours occur

//M1//QN29//MCQ//DL0

Study of history of life forms on earth is known as

(A) Evolutionary biology (B) Morphology (C) Physiology (D) Biogenesis

//X

(A) Evolutionary biology

//M1//QN30//MCQ//DL0

Life appeared _________ after formation of earth.

(A) 500 Million years (B) 300 Million years (C) 1 Billion years (D) 250 Million years

//X

(A) 500 Million years

//M1//QN31//MCQ//DL0

In the solar system of the _________ earth was formed about 4.5 bya.

(A) Milky way galaxy (B) Comet galaxy (C) Needle galaxy (D) None of these

//X

(A) Milky way galaxy

//M1//QN32//MCQ//DL0

According to Big Bang theory, universe is very old and its origin took place almost

(A) 10 billion years ago (B) 20 billion years ago (C) 30 billion years ago (D) 40 billion years ago

//X

(B) 20 billion years ago

//M1//QN33//MCQ//DL0

A single huge explosion unimaginable in physical terms. This is related to

(A) Stellar distances (B) Nebular Hypothesis (C) Big Bang theory (D) None of these

//X

(C) Big Bang theory

//M1//QN34//MCQ//DL0

Atmosphere of primitive earth was devoid of which of the following gas?

(A) Free oxygen (B) Free hydrogen (C) Ammonia (D) Carbon dioxide

//X

(A) Free oxygen

//M1//QN35//MCQ//DL0

The concept of chemical evolution is based on

(A) Possible origin of life by combination of chemicals (B) Crystallization of chemicals under suitable environmental conditions (C) Interaction of water, air and clay (D) Effect of solar radiation on chemicals

//X

(A) Possible origin of life by combination of chemicals

//M1//QN36//MCQ//DL0

Coacervates are :

(A) Protobionts with proteins, polysaccharides and water (B) Inorganic salt aggregates (C) Bilayered lipid with colloidal protein (D) prokaryotic cells

//X

(A) Protobionts with proteins, polysaccharides and water

//M1//QN37//MCQ//DL0

The origin of life from non-living matter is known as

(A) Coacervates (B) Abiogenesis (C) Biogenesis (D) None of these

//X

(B) Abiogenesis

//M1//QN38//MCQ//DL0

Which of the following is correct according to Oparin and Haldane?

#### Options

(A)
The first form of life came from pre existing non-living organic molecules (e.g., RNA, protein)
(B)
Formation of life was preceded by chemical evolution, i.e., formation of diverse organic molecules from inorganic constituents
(C)
Both (A) and (B)
(D)
Formation of life was preceded by chemical evolution, i.e., formation of diverse inorganic molecules from organic constituents.
Correct option:

#### Answer

(A)

The first form of life came from pre existing non-living organic molecules (e.g., RNA, protein)
(B)
Formation of life was preceded by chemical evolution, i.e., formation of diverse organic molecules from inorganic constituents
(C) Both (A) and (B) (D) Formation of life was preceded by chemical evolution, i.e., formation of diverse inorganic molecules from organic constituents.

//X

(C) Both (A) and (B)

//M1//QN39//MCQ//DL0

Which of the following is incorrect about the characteristics of protobionts (coacervates and micro spheres) as envisaged in the abiogenic origin of life?

(A) They could maintain an internal environment. (B) They were able to reproduce. (C) They could separate combinations of molecules from the surroundings. (D) They were partially isolated from the surroundings.

//X

(B) They were able to reproduce.

//M1//QN40//MCQ//DL0

Which type of respiration probably arose first?

(A) Aerobic as it releases more energy (B) Anaerobic as it releases more energy (C) Aerobic as it is more complex (D) Anaerobic as early atmosphere contained little or no oxygen

//X

(D) Anaerobic as early atmosphere contained little or no oxygen

//M1//QN41//MCQ//DL0

Extraterrestrial origin of life was proposed by the theory of

(A) Catastrophism (B) Spontaneous generation (C) Special creation (D) Panspermia

//X

(D) Panspermia

//M1//QN42//MCQ//DL0

Miller synthesised simple amino acids from which one of the following mixtures in an experiment?

(A) H2, O2, N2 (1 : 2 : 1) and water vapour (B) H2, O2, N2 (2 : 1 : 2) and water vapour (C) CH4, NH3, H2 (2 : 1 : 2) and water vapour (D) CH4, NH3, H2 (1 : 2 : 1) and water vapour

//X

(C) CH4, NH3, H2 (2 : 1 : 2) and water vapour

//M1//QN43//MCQ//DL0

Units of life called spores were transferred to _________ in accordance with theory of Panspermia.

(A) only earth (B) different planet not earth (C) different planet including earth (D) None of the above

//X

(C) different planet including earth

//M1//QN44//MCQ//DL0

Spontaneous generation theory was dismissed once and for all by experiment of

(A) Miller (B) Louis Pasteur (C) Oparin (D) Haldane

//X

(B) Louis Pasteur

//M1//QN45//MCQ//DL0

Oparin and Haldane proposed

(A) Spontaneous generation theory (B) Theory of Abiogenesis (C) Theory of chemical evolution (D) Theory of panspermia

//X

(C) Theory of chemical evolution

//M1//QN46//MCQ//DL0

In _________ Miller carried out experiment to support chemical evolution by Oparin and Haldane.

(A) 1952 (B) 1953 (C) 1950 (D) 1948

//X

(B) 1953

//M1//QN47//MCQ//DL0

Miller experiment created electric discharge in a close flask observed formation of

(A) Amino Acids (B) Pigments (C) Sugars (D) All of the above

//X

(A) Amino Acids

//M1//QN48//MCQ//DL0

Evolution is

(A) Development of DNA from nucleotides (B) Development of organisms through time (C) Development of a cell from chemicals (D) Cloning

//X

(B) Development of organisms through time

//M1//QN49//MCQ//DL0

What was the name of the sail ship used by Charles Darwin during his sea voyage?

(A) HMS beagle (B) HSM beagle (C) HMS eagle (D) HSM eagle

//X

(A) HMS beagle

//M1//QN50//MCQ//DL0

Theory of natural selection as the mechanisms of evolution was given by

(A) Lamarck (B) Darwin (C) Alfred Wallace (D) JBS Haldane

//X

(B) Darwin

//M1//QN51//MCQ//DL0

Malay Archipelago is

(A) A group of islands visited by Wallace (B) A research paper on evolution written by Wallace (C) A research paper on ecology written by Wallace (D) A group of organisms studied by Wallace

//X

(A) A group of islands visited by Wallace

//M1//QN52//MCQ//DL0

The similarity of bone structure in the forelimbs of many mammals is an example of

(A) Convergent evolution (B) Analogy (C) Homology (D) Adaptive radiation

//X

(C) Homology

//M1//QN53//MCQ//DL0

In the animals, the same structures developed along the different directions due to the adaptations to different needs. This is called

(A) Convergent evolution (B) Divergent evolution (C) Disruptive evolution (D) Directional evolution

//X

(B) Divergent evolution

//M1//QN54//MCQ//DL0

Divergent evolution gives rise to

(A) Homologous organs (B) Analogous organs (C) Both (A) and (B) (D) None of these

//X

(A) Homologous organs

//M1//QN55//MCQ//DL0

Tendrils of Cucurbita and thorns of Bougainvillea are example of

(A) Vestigial organs (B) Analogous organs (C) Homologous organs (D) Both (A) and (B)

//X

(C) Homologous organs

//M1//QN56//MCQ//DL0

Which of the following structures is homologous to the wing of a bird?

(A) Wing of a moth (B) Hindlimb of rabbit (C) Flipper of whale (D) Dorsal fin of a shark

//X

(C) Flipper of whale

//M1//QN57//MCQ//DL0

The eyes of Octopus and eyes of cat show different patterns of structure, yet they perform similar function. This is an example of

(A) Homologous organs that have evolved due to convergent evolution (B) Homologous organs that have evolved due to divergent evolution (C) Analogous organs that have evolved due to convergent evolution (D) Analogous organs that have evolved due to divergent evolution

//X

(C) Analogous organs that have evolved due to convergent evolution

//M1//QN58//MCQ//DL0

The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called

(A) Natural selection (B) Convergent evolution (C) Non-random evolution (D) Adaptive radiation

//X

(B) Convergent evolution

//M1//QN59//MCQ//DL0

Evolutionary convergence is the development of

(A) Common set of characters in closely related groups (B) Common set of characters in the group of different ancestry (C) Random mating (D) Dissimilar characters in the closely related groups

//X

(B) Common set of characters in the group of different ancestry

//M1//QN60//MCQ//DL0

Biochemical similarities are based on study of

(A) Similarities in carbohydrates of organisms (B) Similarities in fat of organisms (C) Similarities in protein and genes of organisms (D) All of the above

//X

(C) Similarities in protein and genes of organisms

//M1//QN61//MCQ//DL0

Among the following sets of examples for divergent evolution, select the incorrect option.

(A) Forelimbs of man, bat and cheetah (B) Heart of bat, man and cheetah (C) Eye of octopus, bat and man (D) Brain of bat, man and cheetah

//X

(C) Eye of octopus, bat and man

//M1//QN62//MCQ//DL0

Which of the following structures are vestigial in python but not in human?

(A) Nictitating membrane (B) Ear pinna muscle (C) Hind limbs (D) All of these

//X

(C) Hind limbs

//M1//QN63//MCQ//DL0

Analogous structures are a result of

(A) Stabilizing selection (B) Divergent evolution (C) Convergent evolution (D) Shared ancestry

//X

(C) Convergent evolution

//M1//QN64//MCQ//DL0

Which one of the following are analogous structures?

(A) Wings of Bat and Wings of Pigeon (B) Gills of Prawn and Lungs of Man (C) Thorns of Bougainvillea and Tendrils of Cucurbita (D) Flippers of Dolphin and Legs of Horse

//X

(B) Gills of Prawn and Lungs of Man

//M1//QN65//MCQ//DL0

Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

(A) Wings of honey-bee and wings of crow – Homologous organs (B) Thorn of Bougainvillea and tendrils of Cucurbita-Analogous organs (C) Nictitating membrane and blind spot in human eye – Vestigial organs (D) Nephridia of earthworm and malpighian tubules of cockroach – Excretory organs

//X

(D) Nephridia of earthworm and malpighian tubules of cockroach – Excretory organs

//M1//QN66//MCQ//DL0

Anatomically and structurally different but functionally similar structures are called

(A) Analogous (B) Divergent (C) Homologous (D) Both (A) and (B)

//X

(A) Analogous

//M1//QN67//MCQ//DL0

The homologous organs are those that show similarity in

(A) Size (B) Origin (C) Function (D) Appearance

//X

(B) Origin

//M1//QN68//MCQ//DL0

Embryological support for evolution was disapproved by

(A) Karl Ernst von Baer (B) Alfred Wallace (C) Charles Darwin (D) Oparin

//X

(A) Karl Ernst von Baer

//M1//QN69//MCQ//DL0

Sweet potato and potato

(A) Represent analogous structures (B) Exemplify convergent evolution (C) Shows common origin (D) Both (A) and (B)

//X

(D) Both (A) and (B)

//M1//QN70//MCQ//DL0

Which one is not a vestigial organ in man?

(A) Vermiform appendix (B) Nictitating membrane (C) Caudal vertebrae (D) Second molars

//X

(D) Second molars

//M1//QN71//MCQ//DL0

Presence of gills in the tadpole of frog indicates that

(A) fishes were amphibians in the past (B) fishes evolved from frog-like ancestors (C) frogs will have gills in future (D) frogs evolved from gilled ancestors

//X

(D) frogs evolved from gilled ancestors

//M1//QN72//MCQ//DL0

Gill clefts and notochord appear in the embryonic development of all vertebrates from fishes to mammals. This supports the theory of

(A) Recapitulation (B) Metamorphosis (C) Biogenesis (D) Abiogenesis

//X

(A) Recapitulation

//M1//QN73//MCQ//DL0

The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography is called

(A) Divergent evolution (B) Adaptive radiation (C) Convergent evolution (D) Artificial selection

//X

(B) Adaptive radiation

//M1//QN74//MCQ//DL0

Koala and Bandicoot show

(A) Adaptive radiation (B) Divergent evolution (C) Convergent evolution (D) Parallel evolution

//X

(A) Adaptive radiation

//M1//QN75//MCQ//DL0

The diversification of a common life form into varied life forms that spread into various habitats is called

(A) Adaptive convergence (B) Adaptive radiation (C) Parallel evolution (D) Co-evolution

//X

(B) Adaptive radiation

//M1//QN76//MCQ//DL0

Adaptive radiation is best shown by (a) Darwin finches (b) Host-parasites (c) Australian marsupials

(A) a only (B) b and c (C) c only (D) a and c

//X

(D) a and c

//M1//QN77//MCQ//DL0

Evolution of Australian marsupials and placental mammals are better examples of

(A) Adaptive convergence (B) Adaptive radiation (C) Parallel evolution (D) Co-evolution

//X

(B) Adaptive radiation

//M1//QN78//MCQ//DL0

Placental mammals in Australia have variable forms which appear to be similar to a corresponding marsupial. This is the case of

(A) Adaptive radiation and Divergent evolution (B) Adaptive radiation and Convergent evolution (C) Anthropogenic evolution (D) Divergent evolution

//X

(B) Adaptive radiation and Convergent evolution

//M1//QN79//MCQ//DL0

Which of the following is correct set of pouched mammals with reference to Adaptive radiation in Australia?

(A) Sugar glider, Tiger cat, Marsupial rat (B) Lemur, Flying squirrel, Bobcat (C) Mouse, Mole, Wolf (D) Bobcat, Lemur, Anteater

//X

(A) Sugar glider, Tiger cat, Marsupial rat

//M1//QN80//MCQ//DL0

Pouched mammals are present in Australia

(A) Due to lack of placental mammals (B) Due to continental drift, pouched mammals in Australia survived (C) Lack of competition from any other mammals (D) More than one option is correct

//X

(B) Due to continental drift, pouched mammals in Australia survived

//M1//QN81//MCQ//DL0

What is meant by the term ‘Darwin fitness’?

(A) Ability to survive and reproduced (B) High aggressiveness (C) Healthy appearance (D) Physical strength

//X

(A) Ability to survive and reproduced

//M1//QN82//MCQ//DL0

Survival of the fittest is possible due to the

(A) Overproduction (B) Favorable variation (C) Environmental changes (D) Inheritance of acquired characters

//X

(B) Favorable variation

//M1//QN83//MCQ//DL0

Darwinian fitness can be estimated by

(A) How long different individual in a population survive (B) Number of offspring produced by different individuals in population (C) Individuals have a large size in population (D) Species recover after mass extinction

//X

(B) Number of offspring produced by different individuals in population

//M1//QN84//MCQ//DL0

Which of the following are the two key concepts of Darwinian theories of evolution?

(A) Genetic drift and mutation (B) Adaptive radiation and homology (C) Mutation and natural selection (D) Branching descent and natural selection

//X

(D) Branching descent and natural selection

//M1//QN85//MCQ//DL0

Which concept was not included in Charles Darwin’s theory of natural selection?

(A) Survival of the fittest (B) Struggle for existence (C) Overproduction of offspring (D) Punctuated equilibrium

//X

(D) Punctuated equilibrium

//M1//QN86//MCQ//DL0

What is the difference between natural selection and sexual selection?

(A) Sexual selection occurs during sexual intercourse (B) Natural selection is a type of sexual selection (C) Sexual selection is an example of natural selection (D) Sexual selection occurs within demes

//X

(C) Sexual selection is an example of natural selection

//M1//QN87//MCQ//DL0

Which of the following situations would most likely result in the highest rate of natural selection?

(A) Reproduction by asexual method (B) Low mutation in a stable environment (C) Little competition (D) Reproduction by sexual method

//X

(D) Reproduction by sexual method

//M1//QN88//MCQ//DL0

Darwinian fitness can be estimated by

(A) How long different individual in a population survive (B) Number of offsprings produced by different individuals in population (C) Individuals have a large size in population (D) Species recover after mass extinction

//X

(B) Number of offsprings produced by different individuals in population

//M1//QN89//MCQ//DL0

Which concept was not included in Charles Darwin’s theory of natural selection?

(A) Survival of the fittest (B) Struggle for existence (C) Overproduction of offspring (D) Germplasm theory

//X

(D) Germplasm theory

//M1//QN90//MCQ//DL0

Which one provided correct sequence of events in origin of new species according to Darwinism?

I. Natural selection
II. Variation and their inheritance
III. Survival of the fittest
IV. Struggle for existence

(A) IV – II – III – I (B) II – III – I –IV (C) III – IV – I – II (D) I – II – III – IV

//X

(A) IV – II – III – I

//M1//QN91//MCQ//DL0

Which of the following situations would most likely result in the highest rate of natural selection?

(A) Reproduction by asexual method (B) Low mutations in a stable environment (C) Little competition (D) Reproduction by sexual method.

//X

(D) Reproduction by sexual method.

//M1//QN92//MCQ//DL0

Which of the following is correct according to Hugo de Vries?

(A) Saltation cause speciation (B) Mutations can be predicted (C) Natural selection is the cause of evolution but not mutation (D) Saltation is single step minor mutation

//X

(A) Saltation cause speciation

//M1//QN93//MCQ//DL0

Which of the following is correct for the Hardy-Weinberg principle?

(A) The allelic frequencies in a population if are stable then there will be no evolution (B) The gene pool (total genes and their alleles in a population) remains a constant which is called genetic equilibrium (C) Sum total of all the allelic frequencies is 1 (D) All of these

//X

(D) All of these

//M1//QN94//MCQ//DL0

Random change in allelic frequencies that occur by chance specially in small populations is known as:

(A) Migration (B) Natural selection (C) Mutation (D) Genetic drift

//X

(D) Genetic drift

//M1//QN95//MCQ//DL0

Which one is correct formulation of Hardy-Weinberg equation?

(A) p2 + 2pq + q2 = 1 (B) p2 + pq + q2 = 1 (C) p2 + 2pq + q2 = 0 (D) p2 + pq + q2 = 0

//X

(A) p2 + 2pq + q2 = 1

//M1//QN96//MCQ//DL0

At a particular locus, frequency of allele D is 0.7 and that of allele d is 0.3. What would be the frequency of heterozygous in a random mating population at equilibrium?

(A) 0.48 (B) 0.42 (C) 0.21 (D) 1.4

//X

(B) 0.42

//M1//QN97//MCQ//DL0

Match the column w.r.t. natural selection:

Column I | Column II
A | Disruptive | i | More individuals acquire value other than the mean
B | Direction | ii | More individuals acquire peripheral character value
C | Stabilising | iii | More individuals acquire mean character value

(A) A - ii, B - iii, C - i (B) A - ii, B - i, C - iii (C) A - i, B - ii, C - iii (D) A - iii, B - i, C - ii

//X

(B) A - ii, B - i, C - iii

//M1//QN98//MCQ//DL0

Which of the following is correct for bottle neck effect?

(A) It is the decrease in genetic variability in a population. (B) It is the increase in genetic variability. (C) It is presence of constant number of genes and their alleles. (D) It is random beneficial mutation.

//X

(A) It is the decrease in genetic variability in a population.

//M1//QN99//MCQ//DL0

Gene flow is :

(A) Transfer of genes between genetically distinct but interbreeding populations. (B) Transfer of genes from females to males of an organism. (C) Transfer of genes from outside to chromosomes. (D) Transfer of genes from sperm to egg.

//X

(A) Transfer of genes between genetically distinct but interbreeding populations.

//M1//QN100//MCQ//DL0

Founder effect:

(A) Is the loss of genetic variation in a population (B) Occurs when a new population is established by a very small number of individuals from a population (C) Occurs when small group of migrants of a population from which they came establishes in a new area (D) Is related to more than one option.

//X

(D) Is related to more than one option.

//M1//QN101//MCQ//DL0

Dinosaurs suddenly disappeared from the earth about

(A) 200 mya (B) 65 mya (C) 25 mya (D) 500 mya

//X

(B) 65 mya

//M1//QN102//MCQ//DL0

The bryophytes have evolved in the tertiary period from

(A) Chlorophyte ancestors (B) Tracheophyte ancestors (C) Rhynia type plants (D) Psilophyton

//X

(A) Chlorophyte ancestors

//M1//QN103//MCQ//DL0

Find out the correct sequence of evolution of mammals from early reptiles

(A) Early reptiles → Sauropsids → Therapsids → Mammals (B) Early reptiles → Synapsids → Pelycosaurs → Therapsids → Mammals (C) Early reptiles → Synapsids → Thecodonts → Mammals (D) Early reptiles → Sauropsids → Pelycosaurs → Mammals

//X

(B) Early reptiles → Synapsids → Pelycosaurs → Therapsids → Mammals

//M1//QN104//MCQ//DL0

The first organisms that invaded lands were

(A) Animals (B) Plants (C) Coelacanth (D) both (B) and (C)

//X

(B) Plants

//M1//QN105//MCQ//DL0

Which of the following is considered as common ancestor of man and apes?

(A) Sivapithecus (B) Homo habilis (C) Australopithecus (D) Dryopithecus

//X

(D) Dryopithecus

//M1//QN106//MCQ//DL0

Which of the following human ancestor was the first tool make and use tools of chipped stones?

(A) First ape man (B) Handy man (C) Java ape man (D) Neanderthal man

//X

(B) Handy man

//M1//QN107//MCQ//DL0

Which of the following human ancestors had cranial capacity of 900cc was omnivore and probably knew use of fire?

(A) Australopithecus afrensis (B) Homo habilis (C) Homo erectus (D) Homo sapiens

//X

(C) Homo erectus

//M1//QN108//MCQ//DL0

Origin of human started in

(A) Asia (B) South America (C) Africa (D) India

//X

(C) Africa

//M1//QN109//MCQ//DL0

Assertion : Australopithecines were evolved after Homo sapiens. Reason : Dryo pithecus was more ape-like.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(D) A is wrong, but R is correct

//M1//QN110//MCQ//DL0

As sertion : Earth is originated 4.5 billion years ago. Reason : Th e first life forms are originated 500 million years ago on the earth.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(C) A is correct, but R is wrong

//M1//QN111//MCQ//DL0

Assert ion : If population is stable. Reason : Th e rate of evolution is zero.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(A) A and R both are correct, and R is correct explanation of A.

//M1//QN112//MCQ//DL0

Asserti on : Th e primitive form of earth had large amount of hydrogen, nitrogen, carbon and oxygen. Reason : In this n itrogen was the most active one.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(C) A is correct, but R is wrong

//M1//QN113//MCQ//DL0

Ass ertion : Mari ne invertebrates were evolved first. Reason : Protista group with well developed nucleus was evolved first.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(D) A is wrong, but R is correct

//M1//QN114//MCQ//DL0

Assert ion : Lama rckism is accepted. Reason : Acqui red characteristics are inherited-This is difficult to believe.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(D) A is wrong, but R is correct

//M1//QN115//MCQ//DL0

Assertion : Sin gle step large mutation is caused speciation. Reason : Natur al selection becomes better.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(A) A and R both are correct, and R is correct explanation of A.

//M1//QN116//MCQ//DL0

Assertio n : Pre-cell ular life forms were getting energy from fermentation of organic compounds. Reason : Free oxygen was absent in the atmosphere at those time.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(A) A and R both are correct, and R is correct explanation of A.

//M1//QN117//MCQ//DL0

Asse rtion : The forelimbs of human, cheetah, wha le and bat shows similar anatomical structure. Reason : Al l are homologous organs.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(A) A and R both are correct, and R is correct explanation of A.

//M1//QN118//MCQ//DL0

Assert ion : About 15 million years ago, primates called Dryopithecus and Ramapithecus were existing. Reason : The first mammals were like shrews.

(A) A and R both are correct, and R is correct explanation of A. (B) A and R both are correct, but R is not correct explanation of A. (C) A is correct, but R is wrong (D) A is wrong, but R is correct

//X

(B) A and R both are correct, but R is not correct explanation of A.

//M1//QN119//MCQ//DL0//EQ

Give the name of bird given in diagram and where it is observed?

(A) Archaeopterux and Malay Archipelago (B) Darwin Finches and Galapagos island (C) Darwin Finche and Malay Archipelago (D) Archaeopteryx and galapagos island

//X

(B) Darwin Finches and Galapagos island

//M1//QN120//MCQ//DL0//EQ

What is W and X in a given figure?

(A) W = Reaction chamber and x = Stop cock (B) W = Condenser and x = Reaction Chamber (C) W = Reaction chamber and x = Condenser (D) W = Condenser and x = Stop cock

//X

(C) W = Reaction chamber and x = Condenser

//M1//QN121//MCQ//DL0//EQ

What type of evolution is seen in the diagram?

(A) Convergent evolution (B) Divergent evolution (C) Pteridophytes (D) Analogous organs

//X

(B) Divergent evolution

//M1//QN122//MCQ//DL0//EQ

Choose the correct option for given diagram in sequence.

(A) Bat, Whale, Leopard, Human (B) Human, Leopard, Bat, Whale (C) Human, Leopard, Whale, Bat (D) Whale, Leopard, Human, Bat

//X

(C) Human, Leopard, Whale, Bat

//M1//QN123//MCQ//DL0//EQ

Where is the finch bird found given in diagram?

(A) Galapagos (B) Malay Archipelago (C) Australia (D) All of the above

//X

(A) Galapagos

//M1//QN124//MCQ//DL0//EQ

Choose the correct option regarding the given diagram.

(A) Adaptive radiation (B) Diversity in beak (C) Finches found in Galapagos island (D) All of the above

//X

(D) All of the above

//M1//QN125//MCQ//DL0//EQ

What is P and Q in a given diagram of Miller' experiment.

(A) Boiling Water, Gases (B) Gases, Boiling Water (C) Condenser, Boiling Water (D) Boiling Water, Condenser

//X

(D) Boiling Water, Condenser

//M1//QN126//MCQ//DL0//EQ

Choose the correct option regarding diagrammatic representation of the operation of natural selection.

(A) Stabilising, Directional, Disruptive (B) Disruptive, Directional, Stabilising (C) Directional, Disruptive, Stabilising (D) Stabilising, Disruptive, Disruptive

//X

(A) Stabilising, Directional, Disruptive

//M1//QN127//MCQ//DL0//EQ

What is the ratio of CH4 : NH3 : H2 in a given diagram?

(A) 2 : 1 : 2 (B) 1 : 2 : 1 (C) 2 : 1 (D) 3 : 1

//X

(A) 2 : 1 : 2

//M1//QN128//MCQ//DL0//EQ

Figure Showing White-winged moth and dark-winged moth (melanised) on a tree trunk, found in __________ area.

(A) Non-Polluted area (B) Polluted area (C) Both (A) and (B) (D) None of the above

//X

(B) Polluted area

//M1//QN129//MCQ//DL0//EQ

Which of the following is correct for the structures A and B shown in the diagram?

(A) A and B are homologous structures (B) A and B are analogous structure (C) A and B is example of divergent evolution (D) Both (A) and (C)

//X

(D) Both (A) and (C)

//M1//QN130//MCQ//DL0//EQ

'X' is a connecting link between __________ in a given diagram

(A) Invertebrate and Vertebrates (B) Reptile and Mammals (C) Reptile and Aves (D) Amphibians and Reptile

//X

(C) Reptile and Aves

//M1//QN131//MCQ//DL0//EQ

Identify A, B, C, D in the diagrammatic representation of Miller’s experiment:

| A | B | C | D
(A) | CH4, NH3, H2O, H2, O2 | Electrodes | Spark discharge | Water containing inorganic compounds only
(B) | CH4, NH3, H2O, H2 | Electrodes | Spark discharge | Water containing organic compounds
(C) | CH4, H2O, but no H2 | Electrodes | Spark discharge | Water containing organic compounds
(D) | CH4, NH3, H2O, H2, O3 | Electrodes | Infra-red rays | Water containing organic compounds

(A)

CH4, NH3, H2O, H2, O2

Electrodes

Spark discharge

Water containing inorganic compounds only

(B)

CH4, NH3, H2O, H2

Electrodes

Spark discharge

Water containing organic compounds

(C)

CH4, H2O, but no H2

Electrodes

Spark discharge

Water containing organic compounds

(D)

CH4, NH3, H2O, H2, O3

Electrodes

Infra-red rays

Water containing organic compounds

//X

(B)

CH4, NH3, H2O, H2

Electrodes

Spark discharge

Water containing organic compounds

//M1//QN132//MCQ//DL0//EQ

What is A, B, C and D in this figure?

(A) A : Therapsids, B : Thecodonts,
C : Pelycosaurs, D : Dinosaurs (B) A : Thecodonts, B : Dinosaurs,
C : Therapsids, D : Pelycosaurs (C) A : Dinosaurs, B : Pelycosaurs,
C : Thecodonts, D : Therapsids (D) A : Pelycosaurs, B : Therapsids,
C : Dinosaurs, D : Thecodonts

//X

(A) A : Therapsids, B : Thecodonts,
C : Pelycosaurs, D : Dinosaurs

//M1//QN133//MCQ//DL0//EQ

In a given diagram, How much temperature is maintained in chamber 'X'?

(A) 200oC (B) 300oC (C) 800oC (D) 900oC

//X

(C) 800oC

//M1//QN134//MCQ//DL0//EQ

What example is represented by given diagram?

(A) Divergent evolution (B) Convergent evolution (C) Homologous Organs (D) Both (A) and (C)

//X

(D) Both (A) and (C)