NCERT Class VII Science Solutions: Chapter 12-Reproduction in Plants Part 2

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VERY SHORT ANSWER QUESTIONS

Question 8:

Fungus, moss and fern reproduce by a common method of asexual reproduction. Name the method.

Answer:

They can reproduce asexually by means of spore formation

Image of Spore formation

Spore Formation

Image of Spore formation

Question 9:

Pick the odd one out from the following on the basis of mode of reproduction and give reason for it.

Sugarcane, Potato, Rice, Rose

Answer:

Rice, as it does not reproduce by vegetative propagation whereas the other three plants do.

Question 10:

Boojho had the following parts of a rose plant — a leaf, roots, a branch, a flower, a bud and pollen grains. Which of them can be used to grow a new rose plant?

Answer:

The branch can be used to grow a new rose plant, as rose reproduces through vegetative propagation by stem cutting method.

Question 11:

Which type of pollination does the Figure indicate?

Result for type of pollination

Type of Pollination

Result for type of pollination

Answer:

It shows self-pollination, as the pollen grains from another of the flower are transferred to the stigma of same flower.

Question 12:

One morning as Paheli strolled in her garden she noticed many small plants which were not there a week ago. She wondered where they had come from as nobody had planted them there. Explain the reason for the growth of these plants.

Answer:

The seeds from the tree may have fallen below and germinated into small plants.

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