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प्रश्न
What is phototropism?
उत्तर
The growth movement in plants in response to light stimulus is known as phototropism.
संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
What is made in ovary of a flower?
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
Find the odd-one out, giving reason:
Anther, pollen grain, ovule male gamete
Give one example each of unisexual and bisexual flowers. Differentiate between the two types of pollination that occur in flowers. What happens when a pollen lands on a suitable stigma? Write about the events that occur till the seed formation in the ovary.
Find an odd one out.
Calyx : Sepals : : Corolla : ________________
Length of pollen tube depends on the distance between ______
State the number of sets of chromosomes present in a zygote.
What is the structural unit of sexual reproduction in plant?
