NEET Botany - MCQ Practice Questions

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

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:

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

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

In angiosperms, the tapetum is responsible for providing nutrients to developing pollen grains. Which layer of the anther wall gives rise to the tapetum?

A plant exhibits heterospory with distinct megaspores and microspores. This characteristic is found in:

In a mature anther, what is the primary function of the fibrous thickening in the endothecium?

Which of the following statements about megagametogenesis (female gametophyte formation) is correct?

The synergids in the embryo sac are believed to have evolved for:

Which type of placentation is found in the ovary of legumes and has ovules attached to the ventral suture?

Pollen grains of which plant show the longest viability period under room temperature?

Which statement about the generative cell in pollen is incorrect?

The phenomenon of protandry in flowers refers to:

In monocarpellary ovaries, marginal placentation occurs in plants like: