Sexual Reproduction in Flowering Plants · NEET Preparation Botany
Which of the following layers of the microsporangium wall nourishes the developing pollen grains and is generally characterized by multinucleate cell…
Practice question from Sexual Reproduction in Flowering Plants (NEET Preparation Botany), with the correct answer and a step-by-step solution.
easy · MCQ · Q-EE85E6
Which of the following layers of the microsporangium wall nourishes the developing pollen grains and is generally characterized by multinucleate cells with dense cytoplasm?
- A.Epidermis
- B.Endothecium
- C.Middle layers
- D.TapetumCorrect answer
Solution
The tapetum is the innermost layer of the microsporangium wall. It nourishes the developing pollen grains and its cells often become multinucleate and polyploid due to endomitosis, possessing dense cytoplasm.
More from Sexual Reproduction in Flowering Plants
- The hard outer layer of a pollen grain, known as the exine, is composed of a remarkably resistant organic material called:
- In a typical angiosperm ovule, the functional megaspore undergoes how many mitotic divisions to form the mature 7-celled, 8-nucleate female…
- Transfer of pollen grains from the anther to the stigma of another flower of the same plant is botanically referred to as:
- Cleistogamous flowers are invariably:
Practise more Botany
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed