Practice MCQ Questions and answers on Biology-GK

Answer: Option D

A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth with in the mother plant.

Answer: Option A

Technically, apple is not a true fruit. A fruit is a ripened ovary. Inside the apple fruit , the structure holding the seeds is actually the fruit while the edible fleshy part is actually the swollen wall material of ovary.

Answer: Option A

In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm. Hence, double fertilization is unique to flowering plants.