Evolution Test

Question 1
4 / -1

Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters?

A
Lack of pigment in cave-dwelling animals

B
Melanisation in peppered moth

C
Absence of limbs in snakes

D
Presence of webbed toes in aquatic birds

Question 2
4 / -1

The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin, provides evidence for

A
intraspecific competition

B
interspecific competition

C
origin of species by natural selection

D
origin of species by mutation

Question 3
4 / -1

Darwinism explains all the following except

A
off spring with better traits that over come competition are best suited for the environment

B
variations may or may not be inherited from parents to offspring through genes

C
within each species, there are variations

D
organisms tend to produce more number of offspring than can survive

Question 4
4 / -1

Single step large mutation leading to speciation is also called

A
founder effect

B
saltation

C
branching descent

D
natural selection

Question 5
4 / -1

By the statement "Survival of the Fittest" Darwin meant that...............

A
The strongest of all species survives

B
The most intelligent of the species survives

C
The cleverest of the species survives

D
The most adaptable of the species to changes survives

Question 6
4 / -1

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

A
Genetic drift and mutation

B
Adaptive radiation and homology

C
Mutation and natural selection

D
Branching descent and natural selection

Question 7
4 / -1

"Human population grows in geometric ratio while food materials increase in arithmetic proportion." It is a statement from

A
Darwin

B
Bateson

C
Amartya Sen

D
malthus

Question 8
4 / -1

Consider the following three statements and select the correct option stating which one is true (T) and which one is false (F)
(i) Oparin of Russia and Haldane of England proposed that the first form of life could have come from pre-existing non-living organic molecules (e.g., RNA, protein, etc.) and that formation of life was preceded by chemical evolution
(ii) Based on observations made during a sea voyage around the world, Charles Darwin concluded that existing living forms share similarities to varying degrees only among themselves
(iii) Evolution by natural selection must have started when cellular forms of life with different metabolic capability originated on Earth

A
a

B
b

C
c

D
d

Question 9
4 / -1

Read the following statements carefully and select the correct ones
(i) Alfred Wallace, a naturalist who worked in Malay Archipelago had also come to similar conclusions as Darwin around the same time
(ii) August Weismann by careful experimentation demonstrated that life comes only from pre-existing life.
(iii) The organs which have the same fundamental structure but are different in functions are called homologous organs
(iv) Rate of appearance' of new. form is inversely proportional to life span of organism

A
(i) and (iii)

B
(i) and (ii)

C
(ii) and (iv)

D
(iii) and (iv)

Question 10
4 / -1

According to Lamarckism, long necked giraffes evolved because

A
nature selected only long necked ones

B
humans preferred only long necked ones

C
short necks suddenly changed into long necks

D
of stretching of necks over many generations by short necked ones

Question 11
4 / -1

Which of the following differences between Lamarckism and Darwinism is incorrect?

A
a

B
b

C
c

D
d

Question 12
4 / -1

Which one of the following sequences was proposed by Darwin and Wallace for organic evolution?

A
Overproduction, variations, constancy of population size, natural selection

B
Variations, constancy of population size, over production, natural selection

C
Overproduction, constancy of population size, variations, natural selection

D
Variations, natural selection, overproduction, constancy of population size

Question 13
4 / -1

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

A
Development of transgenic animals

B
Production of 'Dolly', the sheep by cloning

C
Prevalence of pesticide resistant insects

D
Development of organs from 'stem cells' for organ transplantation

Question 14
4 / -1

Which one of the following scientist's name is correctly matched with the theory put forth by him?

A
De Vries - Theory of natural selection

B
Darwin - Theory of pangenesis

C
Weismann - Theory of continuity of germplasm

D
Pasteur -Theory of inheritance of acquired characters

Question 15
4 / -1

Each of us is part of the ongoing evolution of the species. Which of the following occurrences would have the greatest impact on the future biological evolution of the human population?

A
A mutation occurs in one of your sperm or egg cells

B
You do exercise every day so that you stay physically fit and healthy

C
You move to Kerala, the state of highest medical facilities and literacy

D
You encourage your children to develop their intellectual abilities

Submit Test

Evolution Test ...

Question 1

Lack of pigment in cave-dwelling animals

Melanisation in peppered moth

Absence of limbs in snakes

Presence of webbed toes in aquatic birds

Question 2

intraspecific competition

interspecific competition

origin of species by natural selection

origin of species by mutation

Question 3

off spring with better traits that over come competition are best suited for the environment

variations may or may not be inherited from parents to offspring through genes

within each species, there are variations

organisms tend to produce more number of offspring than can survive

Question 4

founder effect

saltation

branching descent

natural selection

Question 5

The strongest of all species survives

The most intelligent of the species survives

The cleverest of the species survives

The most adaptable of the species to changes survives

Question 6

Genetic drift and mutation

Adaptive radiation and homology

Mutation and natural selection

Branching descent and natural selection

Question 7

Darwin

Bateson

Amartya Sen

malthus

Question 8

a

b

c

d

Question 9

(i) and (iii)

(i) and (ii)

(ii) and (iv)

(iii) and (iv)

Question 10

nature selected only long necked ones

humans preferred only long necked ones

short necks suddenly changed into long necks

of stretching of necks over many generations by short necked ones

Question 11

a

b

c

d

Question 12

Overproduction, variations, constancy of population size, natural selection

Variations, constancy of population size, over production, natural selection

Overproduction, constancy of population size, variations, natural selection

Variations, natural selection, overproduction, constancy of population size

Question 13

Development of transgenic animals

Production of 'Dolly', the sheep by cloning

Prevalence of pesticide resistant insects

Development of organs from 'stem cells' for organ transplantation

Question 14

De Vries - Theory of natural selection

Darwin - Theory of pangenesis

Weismann - Theory of continuity of germplasm

Pasteur -Theory of inheritance of acquired characters

Question 15

A mutation occurs in one of your sperm or egg cells

You do exercise every day so that you stay physically fit and healthy

You move to Kerala, the state of highest medical facilities and literacy

You encourage your children to develop their intellectual abilities

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Question Analysis

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