Evolution Set 5 MCQs

Q1 | Industrial melanism is an example of

natural selection

mutation

adaptive convergence

artificial selection

Q2 | Which statement is correct ?

Lamarck theory – Struggle for existence

Darwin theory – Use and disuse of organ

Biogentic law – Recapitulation theory

Lamarck theory – Theory of continuity of germplasm

Q3 | Match the correct set._ans_key_Column I Column II_ans_key_I. Modified form of Lamarckism A. G.L. Stebbins (1950)_ans_key_II. Variation and evolution in plants B. Neo- Lamarckism_ans_key_III. Germinal selection theory C. Etienne Geoffroy_ans_key_IV. Supporter of Lamarck’s theory D. August Welsmann

I – A, II – B, III – C, IV – D

I – D, II – B, III – C, IV – A

I – A, II – B, III – D, IV – C

I – D, II – A, III – C, IV – B

Q4 | A. Mutations occurring in the germinal cells of the gonads are called germs mutations._ans_key_R. They are heritable raw materials for natural selection lead to origin of new species.

If A and R both are true and R is correct explanation of A

If A and R both are true but R is not correct explanation of A

If A is true and R is wrong

If A is wrong and R is true

Q5 | A. All the finches on the Galapagos Islands descended from common ancestor.R. They show variations only in their beaks as they got adapted to different feeding habits.

If A and R both are true and R is correct explanation of A

If A and R both are true but R is not correct explanation of A

If A is true and R is wrong

If A is wrong and R is true

Q6 | Cosmozoic theory was given by ______.

Darwin

Richter

Aristotle

Von Baer

Q7 | Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?

Development of transgenic animals

Production of ‘Dolly’ the sheep by clothing

Prevalence of pesticide resistant insects

Development of organs from ‘stem cells’ for organ transplantation

Q8 | Retrogressive evolution is shown by ______.

man

birds

tunicates

fish

Q9 | Match the correct set._ans_key_Column I Column II_ans_key_I. Fossil A. 345-405 million years ago_ans_key_II. Devonian period B. Fossillium_ans_key_III. Cambrian period C. 425-500 million years ago_ans_key_IV. Ordovician period D. 500-600 million years ago

I – B, II – A, III – D, IV – C

I – A, II – B, III – C, IV – D

I – B, II – C, III – D, IV – A

I – B, II – D, III – C, IV – A

Q10 | A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations._ans_key_R. Small populations will, therefore, suffer more than larger ones.

If A and R both are true and R is correct explanation of A

If A and R both are true but R is not correct explanation of A

If A is true and R is wrong

If A is wrong and R is true

Q11 | In a population, group of individuals of similar phenotypes are formed due to differential reproduction due to

genetic drift

natural selection

migration

selective hybridization

Q12 | Phylogenetic evolution refers to

genetic relationship and evolutionary sequence

similar habitat

natural affinity of genes

similar character

Q13 | Genetic drift occurs when few individuals of a colonize, the phenomenon is

bottleneck effect

assortative matin

founder’s effect

random mating

Q14 | Sympatric speciation arises due to

non-overlapping population of the same area

geographical isolation

overlapping population of the same area

non-reproductive population of the same area

Q15 | Hardy – Weinberg equilibrium is known to be effected by gene flow, genetic drift, mutation, genetic recombination and

evolution

limiting factor

saltation

natural selection

Q16 | Assertion : According to Hardy – Weinberg Equilibrium, the frequency of an allele remains the same generation after genetation. _ans_key_Reason : The only way to bring about a change is by natural selection.

A is correct and R is its explanation.

A and R both are correct but R is not an explanation to A

A is correct and R is false

A is false and R is correct

Q17 | Which is not applicable to the Biological species concept ?

hybridization

natural population

reproductive isolation

gene pool

Q18 | Mass extinction of the end of Mesozoic era was probably due to ?

continental drift

the collision of earth with large meteorites

massive glaciations

change in earth’s orbit

Q19 | Apes share ............... blood groups with man

A, B, AB

A, B, O

AB, O

A and B only

Q20 | Present age of human known as ______.

atomic age

iron age

bronze age

silver age

Q21 | Who was the first civilized man ?

Cro-magnon man

Neanderthal man

Java ape man

Peking man

Q22 | Leakey and Leakey discovered the fossils of ______.

apeman

erect man

Peking man

the tool maker

Q23 | The correct sequence of course of cultural evolution from cromagnon to modern man is

Palaeoilthic – Mesolethic – Neolithic – Bronze – Iron – Atomic

Mesolethic – Bronze – Neolithic – Iron – Atomic

Palaeolithic – Neolithic – Iron – Bonze – Atomic

None above

Q24 | Neanderthal man differs from modern man is ______.

receeding jaw

protuding jaw

could make good tools

could make good picture

Q25 | ‘Piltdown man’ is

Hemo habili

Eoanthropus

Homo sapiens

Pithecanthropine