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प्रश्न
Give one example of a unisexual flower.
Give two examples of ‘unisexual flowers’.
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उत्तर
- Cucumber
- Pumpkin
- Watermelon
- Papaya
Notes
Student can refer to the provided solution based on their preferred question.
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संबंधित प्रश्न
What is pollination?
Name the swollen lower part of the carpel.
What is the function of a flower?
What is the name of female organ of a flower (other than carpel)?
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
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.
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)
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Write the names of male and female reproductive parts of a flower.
Describe an activity to demonstrate phototropism.
Answer the following question.
How does suitable pollination lead to fertilization?
Find an odd one out.
Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
The ovule of an angiosperm is technically equivalent to ______
Sketch and label the essential and accessory whorls of flower.
Give any two examples of agents of pollination.
What is the structural unit of sexual reproduction in plant?
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
