Sexual Reproduction in Flowering Plants questions
847 published questions with worked solutions.
- A raceme inflorescence of Tamarindus bears 15 flowers. Each fertile anther lobe of its flower contains 215 pollen grains. What...
- Pair the floral structures given in column I to their equivalent in column II. Column-I: (A) Pollen grains (B) Pollen sacs (C)...
- Which one of the following is an example of cleistogamy?
- Bright colour of petals is due to presence of
- Seedless banana is
- In which of the following, parthenocarpy makes no sense?
- Why is vivipary an undesirable character for annual crop plants?
- Seeds possess spongy aril in
- In some seeds, remnants of nucellus are also persistent. This residual, persistent nucellus is the
- Vivipary is seen in
- Rarely among angiosperms, pollen grains influence the endosperm. This is called
- In angiosperms, male gametes are formed from
- The triploid number of chromosomes of the first taxon is 10 times more than the haploid number of chromosomes of the second...
- Which of the following have double fertilization?
- The most common type of ovule in angiosperms is
- I. Usually bilobed II. Each lobe has two chambers (pollen sacs) III. The chamber (pollen sac) contains pollen grains The above...
- Male reproductive organ (flower) consists of
- Seeds are
- Endosperm is the direct result of
- The mature seeds of plants such as gram and peas possess no endosperm, because
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