MEDIUM
12th CBSE
IMPORTANT
Earn 100

According to de-Vries what is saltation?

Important Questions on Evolution

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 14
State two postulates of Oparin and Haldane’s theory with reference to the origin of life.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 15
What role does an individual organism play as per Darwin's theory of natural selection?
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 16
Write the names of a 15 mya primate that was ape-like.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 16
Write the names 2 mya primate that lived in East African grasslands.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 1

Select the homologous structures from the combinations given below and state the kind of evolution they represent.

A- Forelimbs of whales and bats.

B- Tuber of potato and sweet potato.

C- Eyes of Octopus and mammals.

D- Thorns of Bougainvillea and tendrils of Cucurbita.
 

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 2
Mention the evolutionary significance of Shrews.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 2
Mention the evolutionary significance of Lobefins.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 7 - Evolution>TEST QUESTIONS>Q 2
Mention the evolutionary significance of Homo habilis.