Question

Which of the following statements is not true with respect to variation? 

(a) All variations in a species have an equal chance of survival 

(b) Change in genetic composition results in variation 

(c) Selection of variants by environmental factors forms the basis of evolutionary processes. 

(d) Variation is minimum in asexual reproduction

Answer 1

The answer is (a) All variations in a species have equal chance of survival

• (Statement a) is wrong s because only useful variation have chance of survival.
• Nature choose the fittest variation to survive