Biology questions
20584 published questions with worked solutions.
- Which of the following is the characteristic feature of helobial endosperm?
- Fully developed embryo ultimately becomes
- The 2-celled stage of embryo is called asNot in NEET syllabus
- During the development of embryo, the zygote forms a wall around itself and is converted intoNot in NEET syllabus
- What protects the seed from mechanical shocks, fluctuations in temperature and dry conditions?
- Which of the following structures of seed help in its dispersal?
- Methods of asexual reproduction in lower organisms includeNot in NEET syllabus
- In Ficus (Fig), pollination is affected by
- Pollination is commonly seen in
- Non-fleshy roots help in vegetative propagation inNot in NEET syllabus
- The exact meaning of apomixis in plant is development of a plant
- Reproductive roots taking part in reproduction are found inNot in NEET syllabus
- 'Eye' in a stem tuber is
- Which of the following pairs of plant parts are haploid?
- The sequence of development of embryo sac is
- How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?
- If the number of chromosomes in root cell is 14, what will be the number of chromosomes in synergids of an ovule of that parent?
- Which of the following acts as a passage for pollen tube to reach ovary to fertilize the egg?
- In an anatropus ovule, the egg apparatus is close to
- Anther is generally composed of