Question

Which of the following options describes tapetum correctly?

• A. Nutritive tissue
• B. Sporogenous tissue
• C. Protective and haploid tissue
• D. Outermost layer of microsporangium wall

Answer 1

The correct option is A Nutritive tissue

The innermost layer surrounding the microsporangium is tapetum. Its functions are:
(a) It provides nourishment to the developing pollen grains.
(b) It produces pollenkitt material.
(c) It is also involved in the formation of sporopollenin precursors.
(d) It secretes enzymes. Example - Callase. Callase helps in the digestion of callose.

Sporogenous tissue of anther contains the microspore mother cells which undergo meiosis to produce microspores.

Tapetum is diploid.

Outermost layer of the wall of microsporangium is called the epidermis.