Germination

Q.

What are the favorable conditions required for seed germination?

Q.

Why do seeds germinate better in the dark?

Q. store food for the growing baby plant.

1. Cotyledons
2. Embryo
3. Seed
4. Roots

Q. A _________ grows into a seedling.

1. flower
2. leaf
3. seed
4. root

Q. Which among the following plants were brought to India from Africa in the form of seeds?

1. Coffee
2. Lady's finger
3. Cabbage
4. Peas

Q.

During seed germination, an embryo develops into a ___.

1. flower
2. cotyledon
3. seedling
4. bud

Q. Embryos store food for the growing baby plant.

1. True
2. False

Q.

Seeds develop from the ___.

1. ovary

2. ovule

3. anther

4. pollen

Q. The process in which we artificially induce the right conditions for a seed to germinate is called _______.

1. stratification
2. germination
3. cultivation
4. grafting

Q.

Which of these supplies food to the developing embryo until the plumule develops green leaves?

1. Cotyledon

2. Seed coat

3. Embryo

4. Radicle

Q. __________ contain the embryo, in a protective cover along with a supply of food for it to survive.

1. Seeds
2. Flowers
3. Fruits
4. Roots

Q. Match the following plants with the plant part from which they can be grown.

1. Seeds
2. Stem
3. Tuber

Q. Select the conditions required for seed germination.

1. Water
2. Carbon dioxide
3. Nutrients
4. Oxygen

Q. is the process by which seeds grow into a baby plant.

1. Germination
2. Respiration
3. Photosynthesis

Q.

The sequence of the life cycle of a plant is:

1. Seed ->seedling->plant->sapling

2. Sapling->seedling->plant->seed

3. Seedling ->seed->plant->sapling

4. Seed ->seedling->sapling->plant

Q.

Why do seeds not need sunlight to germinate?

Q. Explain how following seeds are dispersed.
1. Green Peas
2. Water lily

Q. Seeds are soaked in water to make them _________.

1. soft
2. shrink
3. rough
4. dry

Q.

Cotyledons in castor, are a big store of food for the embryo.

1. True
2. False

Q. How do seeds spread to far off places? Write in your own words.

Q.

Name the process in which we artificially induce the right conditions for a seed to germinate?

1. Pollination

2. Stratification

3. Germination

4. Fertilization

Q.

_____ begins when the seed absorbs water, swells and bursts through the seed coat.

Q. From the following, select the factors important for seed germination.

1. Moisture
2. Sunlight
3. Carbon dioxide
4. Nutrients

Q. _________ store food for the growing baby plant.

1. Cotyledons
2. Embryos
3. Seeds
4. Roots

Q. Why do we dry fresh seeds?

1. To shrink the seeds
2. To prevent them from spoiling quickly
3. To add moisture
4. To increase the nutrition of the seeds

Q.

A seed is

1. mature ovary

2. mature ovule

3. mature embryo

4. ripened fruit

Q. A _________ grows into a seedling.

1. flower
2. leaf
3. seed
4. root

Q. Rearrange the following steps.
(i) Small plants arise from seeds.
(ii) Seeds are soaked in water.
(iii) Dry seeds are taken.
(iv) Seeds swell up.
(v) Seeds are kept in moist cloth.

1. (iv)→(v)→(iii)→(ii)→(i)
2. (i)→(ii)→(v)→(iii)→(iv)
3. (v)→(iii)→(ii)→(i)→(iv)
4. (iii)→(ii)→(iv)→(v)→(i)

Q.

Define cotyledon.

Q. Which of the following is not eaten as sprouts?

1. Green gram
2. Fenugreek
3. Rice
4. Chickpea