EASY
12th ICSE
IMPORTANT
Earn 100

Hugo de Vries gave the mutation theory. Name the plant he worked on.

Important Questions on Evolution

EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 25
When did bryophytes appear on the earth?
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 26
What did the first mammal look like?
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 27
Explain how did van Helmont supported the theory of spontaneous generation?
MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 28
Name the ship in which Charles Darwin made his voyage. What was his conclusion about the life forms he observed?
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 29
When we say ‘survival of the fittest’, does it mean that those who are fit only survive?
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 29
When we say ‘survival of the fittest’, does it mean that those that survive are called fit? Comment.
EASY
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 30

How do new species arise according to de Vries mutation theory of organic evolution?

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 7 - Evolution>Chapter Practice>Q 31

Have you heard of the modern synthetic theory of evolution? What are the drawbacks of mutation theory that could lead to the formation of a new theory?