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प्रश्न
Give one example of a unisexual flower.
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उत्तर
- Cucumber
- Pumpkin
- Watermelon
- Papaya
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संबंधित प्रश्न
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
Name the male part of the flower.
How do the insects help in cross-pollination?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Answer the following question.
How does suitable pollination lead to fertilization?
Answer the following question.
List two agents of pollination?
Pollen grains from anther are transferred to the stigma.
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Length of pollen tube depends on the distance between ______
