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प्रश्न
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.
विकल्प
(i) and (iv)
(ii) and (iii)
(i) and (iii)
(ii) and (iv)
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उत्तर
(ii) and (iv)
Explanation:
Plants have sexual reproductive organs such as stamen and pistil. Fruit is formed after fertilization in plants.
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संबंधित प्रश्न
Mention the changes a flower undergoes after fertilisation.
Sketch the reproductive parts of a flower.
The process of fusion of the male and female gametes is called ______.
What is the function of a flower?
Where is the female gamete formed in flowering plants?
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 what ways is fertilisation in a plant similar to fertilisation in a human?
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Identify the odd. Stigma, Style, Pollen, Ovary.
Pollen grains are formed by _________ division in locules of anthers.
__________ is present in unisexual flower.
Calyx : Sepals : : Corolla : ________________
Give scientific reason.
Fertilization in plants is called double fertilization.
Observe the figure below. Write functions of the labelled parts.
Variations occur as a result of ______
Which out of the following processes does not lead to the formation of clones.
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Type of sexual reproduction is ______.
