EASY
CUET (UG)
IMPORTANT
Earn 100

Hugo de Vries describe his mutation theory on organic evolution while working on

94.44% studentsanswered this correctly

Important Questions on Evolution

MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 52
Variations during mutations of meiotic recombinations are
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 53
Unit of evolution is 
EASY
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 54
Changes in the chemical make-up of a gene is called 
MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 55
Which of the following was the contribution of Hugo de Vries?
MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 56

Match the evolutionary concepts and their proposers and select the right option :

Evolutionary concept  Proposer
(i) Saltation  (a) Darwin
(ii) Formation of life was preceded by chemical evolution  (b) Louis Pasteur
(iii) Reproductive fitness  (c) de Vries
(iv) Life comes from pre-existing life (d) Oparin and Haldane


 

MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 57
The factors involved in the formation of new species are:
MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 58
Following is the diagrammatic representation of the operation of natural selection on different traits. Which of the following options correctly identifies all the three graphs A, B and C?
Question Image
MEDIUM
CUET (UG)
IMPORTANT
Achieve CUET (UG) Biology Practice Book>Chapter 7 - Evolution>Exercise>Q 59
Which one of the following is also called Sewall Wright effect?