Anemophily

Q.

Write the difference between epihydrophily and hypohydrophily

Q.

Why do wind pollinated plants have large feathery stigma?

Q.

Anemophily is a process of pollination which occurs by air.

1. True
2. False

Q.

The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is

1. Geitonogamy

2. Xenogamy

3. Chasmogamy

4. Cleistogamy

Q.

Define pollination. Explain the different types of pollination. List two agents of pollination? How does suitable pollination lead to fertilization?

Q.

Why is papaya a dioecious plant?

Q. What is anemophily? Write two features of anemophilous flowers.

Q. Assertion [A]: Grasses show wind pollination.
Reason [R]: Grasses produce sticky pollen grains.

1. Both A and R are true but R is not the correct explanation of A
2. A is true but R is false
3. A and R are false
4. Both A and R are true and R is the correct explanation of A

Q.

What is Cross-pollination?

Q. Wind pollination is common in which of the following plants?

1. Lilies
2. Legumes
3. Orchilds
4. Grasses

Q.

Flowers pollinated by insects are large and brightly coloured. Give reason.

Q. Flowers which have a single ovule in the ovary and numerous flowers packed into an inflorescence are usually pollinated by___________.

1. bees
2. wind
3. bat
4. water

Q.

Insect pollinated flowers have pollen grain.

Q.

Identify error in the given statement:

Flowers of plants like Hydrilla are pollinated by wind.

Q.

In flowering plants which type of pollination is usually takes place either anemophily or entomophily?

Q. The pollination with the help of wind is termed as

1. Anemophily
2. Chiropterophily
3. Hydrophily
4. Ornithophily

Q.

Give reasons for the following.

Flowers pollinated by insects are sweetly scented.

Q.

Parkinsonia is a good example of

1. Winged fruit

2. Phyllode

3. Parachute mechanism

4. Phylloclade

Q. Define pollinations. Explain wind and water pollination with example.

Q.

How is pollination carried out by insects, wind and water?

Q.

Which of the following is not an adaptation for anemophily?

1. Enormous amount of pollen

2. Long feathery stigmas

3. Single ovule in the ovary

4. Sticky pollen grains

Q. Anemophilous flowers have

1. Sessile stigma
2. Small, smooth stigma
3. Coloured and scented flowers
4. Large feathery stigma

Q.

Give one word for the following:
Any wind pollinated flower.

Q. Seeds and fruits dispersed by wind have -

1. Wings
2. Juisy flesh
3. Hooks
4. Bigger size

Q.

Is paddy inflorescence bisexuals?

Q. Wind-pollinated flowers are not visited by honey bees. Give two reasons.

Q. Sunflower is pollinated by insects while rice is pollinated by the wind. How are these plants adapted to their respective type of pollination method?

Q. Plants with ovaries having only one or a few ovules, are generally pollinated by :

1. Bees
2. Butterflies
3. Birds
4. Wind

Q. Wind pollinated flowers are ....................

1. Small, producing nectar and dry pollen.
2. Small, brightly coloured, producing large number of pollen grains.
3. Small, producing larger number of dry pollen grains.
4. Large, producing abundant nectar and pollen.

Q.

Differentiate between the following.

Self and cross-pollination