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प्रश्न
Differentiate between self-pollination and cross-pollination.
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उत्तर
Self-pollination: This occurs when pollen grains from a flower’s stamens land on the stigma of the same flow.
Cross-pollination: Cross pollination occurs when pollen grains from one flower’s stamens land on the stigma of another blossom.
संबंधित प्रश्न
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
The process of fusion of the male and female gametes is called ______.
State the name of the functional unit concerned with sexual reproduction.
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
“Cell division is a type of reproduction in unicellular organism.” Justify.
List any two differences between pollination and fertilization.
Calyx : Sepals : : Corolla : ________________
The essential parts of a flower are ______.
