Germination

Q.

Megasporangium is equivalent to:

1. Embryo sac

2. Fruit

3. Nucellus

4. Ovule

Q.

Plumule is the future root and radicle is the future shoot of the plant.

True

False

Q.

What are adventitious roots?

1. Roots arising from radical of embryo.

2. Secondary roots developed from primary root.

3. Roots arising from any part except the radical of root.

4. Roots arising from plumule of embryo.

Q.

When a seed germinates inside the fruit while it is still attached to the parent plant it is called as vivipary.

1. True

2. False

Q.

Seeds contain an embryo.

1. True
2. False

Q. The process of a new baby plant arising from a seed is called .

1. fertilisation
2. pollination
3. photosynthesis
4. germination

Q.

Which of these is/are required for germination of seeds?

1. Water

2. Air

3. Nutrients

4. All of these

Q.

Radicle is the first part to emerge from the seedling during the process of germination.

1. True

2. False

Q.

Seeds are soaked overnight and drained. These seeds sprout and the first part that comes out is

1. Stem

2. Roots

3. Leaves

4. Branches

Q.

In what type of germination are the germinating seeds attached to the parent plant?

Q. The thick main root of the tap root system is known as:

1. secondary
2. extra
3. fibrous
4. primary

Q.

Primary root structure grows from the elongation of __________

1. Lateral root

2. Tap root

3. Plumule

4. Radicle

Q. Write the difference between epigeal and hypogeal germination.

Q. ___________ forms the root system in a plant.

1. Plumule
2. Pericarp
3. Cotyledon
4. Radicle

Q.

In some plants, the seed germinates inside the parent plant.

1. True

2. False

Q.

In hypogeal germination the cotyledons remain ____ the soil.(above/below)

Q.

Pollen grains are produced in

1. Flower

2. Ovaries

3. Anther

4. Fruits

Q.

The process of germination is described in the following sentences but not in correct order. Write the correct order for the process of germination.

1. The cotyledons fall on the ground.

2. The radicle grows to form the root of the plant

3. The shoot appears and leaf can also be seen.

4. Seed is covered in the soil where it gets sufficient air, water and warmth.

1. $1\to 2\to 3\to 4$

2. $4\to 2\to 3\to 1$

3. $4\to 3\to 2\to 1$

4. $4\to 3\to 1\to 2$

Q. In some seeds, the hypocotyl as a whole elongates carrying the cotyledons and plumule out of seed and soil, this type of germination is called as _____________.

1. Epigeal
2. Hypogeal
3. Monoecious
4. All of the above

Q.

In the process of seed germination ___ plays a vital role.

Q. In which of the following condition seeds do not sprout?

1. Seeds kept in air tight container
2. Seeds kept in moist cotton cloth
3. Seeds kept in water bowl
4. All of the above

Q. Radicle emerges out of the seed earlier than plumule. What one advantage is served by this?

Q. The part of the seed which later develops into shoot during its germination is

1. Cotyledons
2. Endosperm
3. Plumule
4. Radicle

Q. The part of a seed which grows and develops into shoot on germination is

1. Radicle
2. Plumule
3. Cotyledon
4. Ovule

Q. Seed is defined as___________.

1. Developed ovule
2. Fertilised and developed ovule
3. Developed ovary
4. Fertilized and developed ovary

Q. The seed which shows hypogeal germination is?

1. Castor
2. Maize
3. Gram
4. Bean

Q. The aleurone layer in maize grain is especially rich in __________.

1. Proteins
2. Starch
3. Lipids
4. Iodine

Q. What is hypogeal germination?

Q. The root of a baby plant just emerging from a seed is called

1. Plumule
2. Radicle
3. Seed coat
4. Endocarp

Q. Seeds are one of the parts of a plant which can be consumed. When seeds are kept in water overnight while Structure can be seen to emerge from seeds. What is the name of this structure and how it is useful to the developing seeds?