Agents of Pollination

Q. Which of the following is the characteristic of wind pollinated flowers?

1. Brightly coloured
2. Well exposed stamens
3. Tubular shaped
4. Produces nectar

Q.

What is hydrophily?

Q.

Coconut is a large and heavy fruit. How is it adapted for dispersal by water?

Q.

How is pollination carried out in water plants?

Q.

Give two examples of each of the following:

Pollination by insects.

Q.

Pollination carried out with water as the agent is called

1. Entomophily

2. Hydrophily

3. Homophily

4. Anemophily

Q.

Differences between the following:

Wind pollinated and water pollinated flowers.

Q.

Which of these is the pollinating agent for sugarcane?

1. Wind

2. Water

3. Birds

4. Animals

Q.

What is malacophilly?

Q.

Describe the various agents of pollination.

Q.

The chief pollinating agent for Maize plant is wind. True or false?

1. False

2. True

Q.

Why is wind a good agent of pollination?

1. Because flowers like swaying in the wind

2. Because pollen grains can easily float in the air

3. Because pollen grains get easily attracted to the wind

4. Because insects can fly in the wind

Q.

Which of the following is not a pollinating agent?

1. Wind

2. Water

3. Soil

4. Insect

Q.

When does pollination occur in Pinus?

Q.

Give reasons for the following.

Maize plant has dry and light pollen grains.

Q.

Which of the following agents are biotic pollinators?

1. Hummingbird

2. Water

3. Insects

4. Wind

Q.

Elephant yam flowers emit a foul smell to

1. drive away flies that are harmful

2. indicate that they are decaying

3. None of the above

4. attract flies for pollination

Q.

Why is honey bee pollination so important?

Q.

Which of the following is not a characteristic feature of insect-pollinated flowers?

1. Sticky pollen grains

2. Long and hanging stamens

3. Large flowers

4. Brightly coloured

Q.

The pollinating agent for pepper plant is

1. bird

2. insect

3. dewdrop

4. wind

Q.

Name three agents of pollination.

Q.

Which of the following is the pollinating agent for paddy?

1. Water

2. Bird

3. Insect

4. Wind

Q.

An indoor plant produced brightly coloured flowers. But none of the flowers produced seeds. It was found out that the seeds were not being produced due to the lack of natural pollinators. So, it was decided to put the plant outdoors to attract pollinators. Which of the following do you think would be the most probable pollinator for the plant?

1. Rain

2. Moth

3. Honeybee

4. Wind

Q.

Define pollination

Q.

The flowers that are pollinated by ________have light and dry pollen grains.

Q.

How do Euglenoids obtain their food?

Q. The process of removal of the anthers of a flower in order to prevent self-pollination is called ___.

Q.

Which of the following could be a pollinating agent for flowers that bloom at night?

1. A is true, R is false.

2. A is false, R is true.

3. A and R both are true.

4. A and R both are false.

Q.

Animals help in

1. Asexual propagation of plants

2. Translocation of organic nutrients

3. Control of plant growth

4. Pollination and seed dispersal

Q.

Identify the missing step.
Pollination--->Fertilisation--->Seed formation---->?----> Germination

1. Flower formation

2. Fruit formation

3. Leaf formation

4. Seed dispersal