A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Fruit fly Drosophila is a tiny fly about 2 mm size which is often found hovering over ripe fruits like mango and banana. Drosophila is suitable as experimental material because - (i) It is easy to grow in laboratory on a culture medium supported with yeast. (ii) The fly has a short life span. (iii) Numerous generations can be obtained in a year. (iv) Females are easily distinguishable from the males. (v) Presence of polytene chromosomes can indicate different types of chromosome aberrations.
You need to login to perform this action.
You will be redirected in
3 sec
