HARD
NEET
IMPORTANT
Earn 100
Given below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order and select the correct option.
1 Re-bagging
2 Selection of parents
3 Bagging
4 Dusting the pollen on the stigma
5 Emasculation
6 Collection of pollen from the male parent
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Important Questions on Sexual Reproduction in Flowering Plants
EASY
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IMPORTANT
During the process of fertilization the pollen tube of the pollen grain usually enters the embryo sac through --------------------------.
EASY
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IMPORTANT
What is referred to as the fusion of one of the male gametes with the egg nucleus?
EASY
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IMPORTANT
Which of the following statements is/are correct?
(i) Endothecium lies below epidermis.
(ii) Fusion of egg with male gamete is called apogamy.
(iii) Synergids are haploid.
(iv) The point at which funicle touches the ovule is raphe.
EASY
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IMPORTANT
What is the total number of nuclei involved in double fertilization in angiosperms?
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Which one of the following events takes place after double fertilization?
MEDIUM
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IMPORTANT
Triple fusion in Capsella bursa-pastoris is fusion of male gamete with ---------------------.
EASY
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IMPORTANT
Who discovered double fertilization in Fritillaria and Lilium?
HARD
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IMPORTANT
Study the following statements and select the correct option.
(i) Tapetum nourishes the developing pollen grains.
(ii) Hilum represents the junction between ovule and funicle.
(iii) In aquatic plants such as water hyacinth and water lily, pollination occurs by water.
(iv) The primary endosperm nucleus is triploid.
