Class 7 Science
Reproduction in Plants
Question 1.
Fill in the blanks.
a. The production of new individuals from their parents is known as __________.
b. Roots, stems and leaves are called the _________ of the plant.
c. Flowers are the __________ parts of the plants.
d. In _________ reproduction plants can give rise to new plants without seeds.
Question 2.
Match the following.
Asexual reproduction |
New plants are obtained from seeds. |
Sexual reproduction |
Male reproductive part of flower |
Vegetative propagation |
New plants are obtained without production of seeds. |
Stamen |
New plants are produced from roots, stems, leaves and buds. |
Question 3.
________ is the point of attachment of the leaf at the node.
Question 4.
How does a Bryophyllum reproduce?
Question 5.
Name some plants in which the roots can also give rise to new plants.
Question 6.
Which of the following produces a new plant when their parts get detached from the main plant body?
a. Dahlia
b. Sweet Potato
c. Cacti
d. Bryophyllum
Question 7.
Take a pinch of yeast and place it in a container with some water. Add a spoonful of sugar and shake to dissolve it. Keep it in the warm part of a room. After an hour, put a drop of this liquid on a glass slide and observe under a microscope. What will be your observation?
a. You may see the formation of new yeast cells.
b. Yeast cells will start changing color.
c. The solution will release foul smell.
d. None of the above
Question 8.
The small bulb-like projection coming out from the yeast cell is called a _________.
Question 9.
How does a yeast multiply itself?
Question 10.
Which of the following multiplies by fragmentation?
a. Bryophyllum
b. Yeast
c. Algae
d. Hydra
Question 11.
Explain the fragmentation process in Algae.
Question 12.
Spores are _________ reproductive bodies.
Question 13.
What is the function of the hard protective coat surrounding the spore?
Question 14.
Name two plants that reproduces through spore.
Question 15.
Which if the following is the female reproductive part of the flower?
a. Stamen
b. Pistil
c. Gametes
d. None of the above
Question 16.
State whether the given statement is true or false.
Flowers which contain either only pistil or only stamens are called bisexual flowers.
Question 17.
Anther contains pollen grains which produce _________ gametes. Ovules present in the ovary of the pistil contains the _________ gamete.
Question 18.
The transfer of pollen from the anther to the stigma of a flower is called _________.
Question 19.
If the pollen lands on the stigma of the same flower or another flower of the same plant, it is called __________.
Question 20.
When the pollen of a flower lands on the stigma of a flower of a different plant of the same kind, it is called ___________.
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All About Daily Practice Problems on Class 7 Science Reproduction in Plants NCERT Chapter 12
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