Theory of 'Saltations' was given by 

(1) G Mendel

(2) Hugo de Vries

(3) J B S Haldane

(4) H J Miller

Subtopic:  Hugo De Vries Theory of Evolution |
 93%
From NCERT
AIIMS - 2011
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

The animal group which does not exist in Galapagos island is

(1) Insects

(2) Protozoa

(3) Crustacea

(4) Amphibia

Subtopic:  Darwin's Theory |
AIIMS - 2011
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Appearence of dark-coloured pepper moths among the light-coloured ones as a result of increased industrial pollution is an example of

(1) Disruptive selection

(2) Stabilizing selection

(3) Directional selection

(4) None of the above

 73%
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Match the columns

 

Column I

  Column II

A.

 

B.

 

C.

Hugo de Vries

 

Julian Huxley

 

Jean Baptiste

1.

 

2.

 

3.

Inheritance of acquired characters

Multiplication of individual species in geographical proportion

Mutation theory of evolution

Codes: 

           A   B   C

(1)       1   2   3 

(2)       2   3   1

(3)       3   1   2

(4)       3   2   1

 

Subtopic:  Theory of Evolution & Lamarckism | Hugo De Vries Theory of Evolution |
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Hardy-Weinberg's principle of 'zero evolution' is based on

(1) genetic equilibrium

(2) random mating

(3) no migrations

(4) All of the above

Subtopic:  Hardy Weinberg Law: 1 | Hardy Weinberg Law |
 77%
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

What does the term 'reproductive isolation' refers to?

(1) An individual is unable to fertilise itself 

(2) Genes are not exchanged between two populations

(3) Individuals from two populations never mate

(4) Individuals form two populations never produce offsprings

Subtopic:  Concept of Isolation |
 52%
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Below are listed some pairs of characters. the homologous pair is

(1) forelimbs of dog and camel

(2) insect wing and batwing

(3) feathers of birds and fins of fish

(4) lens of vertebrate and arthropod

 64%
From NCERT
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Pythons possess tiny leg bones that serve no purpose in locomotion. Such organs are

(1) homologous organs

(2) analogous organs

(3) vestigial organs

(4) Both (a) and (c)

 86%
AIIMS - 2009
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

The two critical steps in the evolution of humans were the

(1) evolution of bipedalism and the enlargement of the brain

(2) making and using tools

(3) using fire and making shelters

(4) exhibiting culture and having sophisticated tools

 83%
AIIMS - 2009
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Why does it is said that looking at stars on a clear night sky means looking back in time?
A. What we are seeing at that time is actually has stated its journey millions of years back
B. What we are seeing at that time is actually has stated its journey trillions of days back
C. What we are seeing at that time is actually has stated its journey thousands of days back
D. What we are seeing at that time is actually has stated its journey thousands of kilometers away

Subtopic:  Cosmic Evolution |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh