The homologous organs are those that show similarity in

(a) size                                  (b) origin

(c) function                            (d) apprearance 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Occurrence of endemic species in South-America and Australia is due to  
(a) these species have been extint from other regions
(b) continental separation
(c) there is no terrestrial route to these places
(d) retrogressive evolution 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Genetic drift is change of 

(a) gene frequency in same generation 

(b) appearance of recessive genes

(c) gene frequency from one generation to next 

(d) None of the above

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Thorn of Bougainvillea and tendril of Cucurbita are examples of  
(a) analogous organs
(b) homologous organs
(c) vestigial organs
(d) retrogressive evolution 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Adaptive radiation refers to

(a) adaptations due to geographical isolation 

(b) evolution of different species from a common ancestor

(c) migration of members of a species to different geographical areas

(d) power of adaptation in an individual to a variety of environments

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Random genetic drift in a population probably results from   

(a) large population size
(b) highly genetically variable individuals
(c) interbreeding within small isolated population 
(d) constant low mutation rate

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which one of the following features is closely related with the evolution of humans?

(a) Loss of tail                         

(b) Shortening of jaws

(c) Binocular vision                   

(d) Flat nails

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Homo sapiens evolved during

(a) Pleistocene                            (b) Oligocene

(c) Pliocene                                (d) Miocene

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Identify the correct sequence in which the following substances have appeared during the course of evolution of life on earth.

(a) glucose, amino acids, nucleic acids, proteins

(b) ammonia, amino acids, proteins, nucleic acids

(c) water, amino acids, nucleic acids, enzymes

(d) amino acids, ammonia, phosphates, nucleic acids

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In which condition the gene ratio remains constant for any species?

(a) Sexual selection                  (b) Random mating

(c) Mutation                             (d) Gene flow

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: