Reproduction in Plants Test

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Reproduction in Plants Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

The transfer of pollens from anther to stigma of the same flower or different flower of the same plant is called:

A
Cross-pollination

B
Self-pollination

C
Cross-breeding

D
Hybridization

Solution

When a pollen grain from the stamen of a flower is transferred to the stigma of the same flower or another flower of the same plant, it is called self-pollination. It mainly occurs in bisexual flowers.
So, the correct option is B.
Question 2
1 / -0

Why is it important for plants to scatter or disperse their seeds?

A
To avoid overcrowding which results in unhealthy plants

B
To prevent the seeds from becoming parasites to the parent plants

C
To ensure that plants get spread to new places

D
Both A and C
Solution
Scattering or dispersal of seeds is very important for the survival of plants.
If plants grow too closely together, they will not get proper nutrients and water from the soil.
Overcrowding will also restrict the availability of light and lead to poor growth.
If seeds are scattered in an extensive area, each plant will get ample space to grow properly.
Scattering also helps in the distribution of seeds to faraway places,
So the correct answer is option D.
Question 3
1 / -0

In Bryophyllum, multiplication is most rapid through ?

A
Fruits

B
Seeds

C
Stem cuttings

D
Leaf

Solution

D. Leaf
Reason: Reproduction of Bryophyllum occurs asexually through vegetative propagation by leaves. The leaf is broad and has notches at margin. Epiphyllous buds arise from these notches. These buds can give rise to new Plants with roots, shoots and small leaves. So the correct option is D.
Question 4
1 / -0

The reproductive part of a plant is:

A
Leaf

B
Stem

C
Root

D
Flower

Solution

Flower is the reproductive part of the plant. Pistil, stamens, petals and sepals are the four main parts of the flower. Among this, pistil is the female reproductive part and it is made up of stigma, style and ovary. Stamen is the male reproductive part and it consists of filament and anther.
So, the correct answer is option D.
Question 5
1 / -0

Asexual reproduction is seen in members of Kingdom.

A
Monera

B
Plantae

C
Animalia

D
All of these
Solution
The mode of reproduction involving no fusion of gametes is known as asexual reproduction.
It is a uniparental mode of reproduction as the daughter cells or the progeny are produced by just one parent.
Asexual modes of reproduction in monerans are binary fission and endospore formation, those in plants are budding, fragmentation, fission, spore formation, and vegetative propagation, and those in kingdom Animalia are parthenogenesis, budding, polyembryony, fragmentation, etc.
Thus, the correct answer is 'All of these.'
Question 6
1 / -0

Identify X in the given figure.

A
Roots

B
Eyes

C
Branches

D
Leaves
Question 7
1 / -0

Which one of the following parts of the plant when put into the soil is likely to produce a new plant?

A
Pedicel

B
A stem with a node

C
Root hair

D
Part of a flower
Solution
- Vegetative plant propagation is often done with stems. Sections of stems that contain nodes and internodes are used in an effective way to propagate many ornamental plants.
- When they are planted in soil, stem cuttings generate roots and eventually sprout new plants.
- Plants like roses, bougainvilleas, chrysanthemums, grapes, sugarcane, bananas, and cactus are commonly propagated through stem cuttings.
So, the correct answer is B.
Question 8
1 / -0

The 'eye' of the potato plant is what

A
The root is to any plant.

B
The bud is to a flower.

C
The bud is to Bryophyllum leaf.

D
The anther is to stamen.

Solution

The eye of the potato plant is like the bud is to bryophyllum leaf.
So, the correct answer is (c).
Question 9
1 / -0

Which of the following is not correct regarding sexual reproduction?

A
It is usually biparental.

B
Gametes are always formed.

C
It is a slow process.

D
It involves only mitosis.

Solution

Sexual reproduction usually involves two parents (male and female). Two types of gametes are formed which fuse during fertilization. Both mitosis and meiosis occur during sexual reproduction. However, it is a slow process than asexual reproduction.
So, the correct option is D.
Question 10
1 / -0

Pollination refers to the:

A
Transfer of pollen from anther to ovary.

B
Transfer of female gametes from anther to stigma.

C
Transfer of pollen from anther to stigma.

D
Transfer of pollen from anther to ovule.

Solution

Pollination is the transfer of pollen grains from the anther of one flower to the stigma of the same or another flower of the same species.
Thus, the correct answer is option C.

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Reproduction in Plants Test - 6

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Reproduction in Plants Test - 6

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SHARING IS CARING

Question 1

Cross-pollination

Self-pollination

Cross-breeding

Hybridization

Solution

Question 2

To avoid overcrowding which results in unhealthy plants

To prevent the seeds from becoming parasites to the parent plants

To ensure that plants get spread to new places

Both A and C

Solution

Question 3

Fruits

Seeds

Stem cuttings

Leaf

Solution

Question 4

Leaf

Stem

Root

Flower

Solution

Question 5

Monera

Plantae

Animalia

All of these

Solution

Question 6

Roots

Eyes

Branches

Leaves

Question 7

Pedicel

A stem with a node

Root hair

Part of a flower

Solution

Question 8

The root is to any plant.

The bud is to a flower.

The bud is to Bryophyllum leaf.

The anther is to stamen.

Solution

Question 9

It is usually biparental.

Gametes are always formed.

It is a slow process.

It involves only mitosis.

Solution

Question 10

Transfer of pollen from anther to ovary.

Transfer of female gametes from anther to stigma.

Transfer of pollen from anther to stigma.

Transfer of pollen from anther to ovule.

Solution

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