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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
Name the part made up of the stigma, style and ovary.
What is the name of female organ of a flower (other than carpel)?
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
What are the male and female gametes in a flowering plant?
The students of a class were asked by the teacher to study the different parts of an embryo of an angiosperm. Given below are the essential steps for the experiment :
A. Soak the seeds in plain water and keep them overnight.
B. Cut open the soaked seed and observe its different parts.
C. Take some healthy seeds in a petri-dish.
D. Drain the excess water, cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(a) C, A, D, B
(b) C, D, A, B
(c) A, C, D, B
(d) A, C, B, D
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Pollen grains from anther are transferred to the stigma.
Give scientific reason.
Fertilization in plants is called double fertilization.
Antipodal cells are present towards the ______ in an anatropous ovule.
The flower of the Hibiscus plant is ______
