Entomophily

Q.

Sunflower is an example of _____ plant.

1. wind pollinated

2. insect pollinated

3. water pollinated

4. self-pollinated

Q.

___________ pollinated flowers usually have brightly coloured flowers.

1. Insect

2. Wind

3. Water

4. Both A and B

Q.

Give one word/term for the following :
(a) A flower containing both male and female parts
(b) Arrangement of flowers on a twig/stem
(c) When pollen grains of a flower reach the stigma of the same flower.
(d) When maturation time of reproductive parts in a flower is different.
(e) When stigma and anthers do not grow up to same height, which favours only cross-pollination ?
(f) Pollination of flowers by insects.
(g) Pollination of flowers by birds.

Q. Which one of the following is not an example of insect-pollinated flowers?

1. Sweet Pea
2. Apple
3. Vallisneria
4. Mango

Q. Cleistogamous flowers are invariably autogamous because

1. These flowers do not open at all.
2. There is no chance of cross-pollen.
3. These flowers have exposed anthers and stigma.
4. These flowers are wind pollinated.

Q.

Define a fruit.

Q.

Which of the following statement is false regarding the advantages of self-pollination?

1. In bisexual flowers where stamens and carpels mature at the same time
2. Parental characters are not preserved
3. There is no wastage of pollen grains
4. The flowers need not be large and showy

1. 1

2. 2

3. 3

4. 4

Q. Night blooming flowers attract pollinating insects with the help of

1. Aroma
2. Nectar
3. Edible pollen
4. All of the above.

Q. Myrmecophily is pollinated by.

1. Moths
2. Bats
3. Ants
4. Birds

Q. Pollination in cycas is exclusively by

1. Wind
2. Man
3. Insect
4. Water

Q.

Which of the following is not a characteristic feature of entomophily?

1. Sticky pollen grains

2. Large flowers

3. Long and hanging stamens

4. Brightly coloured

Q. name the types of cross pollination in silk cotten tree and vallisneria ?