NEET Botany - MCQ Practice Questions

During megasporogenesis in angiosperms, a megaspore mother cell undergoes meiosis to produce four megaspores. In most flowering plants, how many of these megaspores degenerate?

Which of the following is NOT a function of the filament in a stamen?

In the double fertilization process of angiosperms, one sperm nucleus fuses with the egg nucleus. What is the ploidy level of the resulting zygote?

Identify the correct sequence: Microspore → ? → Pollen grain → Male gametophyte

The ovule integument develops into the seed coat. How many integuments do most dicot plants possess?

In the mature female gametophyte (embryo sac) of angiosperms, how many nuclei are present at maturity?

The phenomenon of vegetative reproduction in bryophyllum (Kalanchoe) by leaf margins is an example of:

Microsporogenesis differs from megasporogenesis in flowering plants primarily in that:

The tapetum in the anther is primarily involved in:

In apomixis, the embryo develops from:

The nucellus in an ovule functions primarily to:

The polar nuclei in the central cell of the embryo sac fuse with the second sperm nucleus to form the:

Which of the following plants reproduces primarily through runners or stolons?

The endothecium in the anther wall is important for:

In the pollen grain, the generative nucleus is located in the:

Which stage of the plant life cycle shows dominance of the diploid phase in angiosperms?

The phenomenon where pollen grains retain viability after being kept in dry conditions for extended periods is called:

In a typical angiosperm flower, after dehiscence, the mature pollen is released at which stage?

The ploidy level of the endosperm in a typical angiosperm is:

In orchids, the lack of endosperm development is compensated by: