NEETZoologyOrganisms and Populations
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Sex ratio is a characteristic attribute of an individual organism, not of a population. Reason (R): An individual organism is either male or female, whereas a population has a sex ratio representing the percentage of males and females. In the light of the above statements, choose the most appropria
Options
- ABoth (A) and (R) are true and (R) is the correct explanation of (A)
- BBoth (A) and (R) are true but (R) is not the correct explanation of (A)
- C(A) is true but (R) is false
- D(A) is false but (R) is true
Correct answer
D. (A) is false but (R) is true
Step-by-step solution
Assertion (A) is false because sex ratio is a characteristic attribute of a population, not of an individual organism. An individual does not have a sex ratio. Reason (R) is true. According to NCERT, an individual organism is either a male or a female, but a population has a sex ratio (for example, 60 percent of the population are females and 40 percent are males). Answer: (A) is false but (R) is true