Reproduction In Organisms

Among the following, which one lays eggs and does not produce young ones directly?

In which of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?

Assertion (A): Amoeba reproduces by fission.

Reason (R): All unicellular organisms reproduce by asexual methods.

Which one of the following is monogamous?

In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

Assertion (A): In human beings, the females play a major role in determining the sex of the offspring. Reason (R): Women have two ‘X’ chromosomes.

Corpus luteum is a mass of cells found in