Entomophily

Q.

Water lily and water hyacinth are pollinated by______.

1. water
2. bats
3. birds
4. insects or wind

Q.

What are the two types of pollination?

Q. The tallest flower of Amorphophallus is pollinated by_________.

1. wind
2. bats
3. birds
4. insects

Q.

What is the significance of callase enzyme for a pollen grains?

Q. Heterostyly as a contrivance for cross pollination is found in

1. Primula vulgaris
2. Pennisetum
3. Impatiens
4. Oenothera

Q. Match the columns and choose the correct option.
$\begin{array}{cc}\text{Plant}& \text{Pollinating agent}\\ \text{A. Zostera}& \text{I. Insect}\\ \text{B. Grasses}& \text{II. Moth}\\ \text{C. Water hyacinth}& \text{III. Water}\\ \text{D. Yucca}& \text{IV. Wind}\end{array}$

1. A-III, B- IV, C-I, D-II
2. A-IV, B-III, C-II, D-I
3. A-II, B-I, C-III, D-IV
4. A-IV, B-I, C-II, D-III

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

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

Q.

Entomophilous flowers are pollinated by

1. Birds

2. Bats

3. Insects

4. Wind

Q.

In Salvia, pollination occurs through the agency of

1. Ants

2. Insects

3. Bats

4. Snails

Q. Water lily and water hyacinth are pollinated by______.

1. water
2. insects or wind
3. birds
4. bats

Q.

Define the following:-

Bisexual flower

Q.

Give two modifications of flowers that exhibit wind pollination.

Q. What is pollination? Describe the pollination brought through the agency of insects and explain with suitable examples the adaptations of plants for this type of pollination.

Q. The flower is important to a plant because it helps in

1. Attracting
2. Production of nectar
3. Pollination
4. All of the above

Q.

What is pollination? State its significance.

Q. Write ‘True’ or ‘False’ for the statement given below:
Cross-pollination requires abiotic or biotic agents.

Q. Mark the incorrect match.

1. Ficus — Anemophily
2. Yucca — Pronuba
3. Salvia — Protandry
4. Viola — Cleistogamy

Q.

The brightly coloured flowers are usually pollinated by _____.

Q. The given below flowers are pollinated by

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

Q. Insect pollinated flowers have ___ pollen grains.

1. Sticky
2. Light
3. Coloured
4. Hygroscopic

Q. Different plants adopt various methods of pollination, match the plant with correct method of pollination.

	List I		List II
A	Pisum sativum	I	Chasmogamy and cleistogamy
B	Commelina	II	Self pollination
C	Water hyacinth	III	Cross pollination and self sterility
D	Abution	IV	Protogyny and entomophily
E	Solanum	V	Entomophily and anemophily

1. A- II, B- I, C- V, D- IV, E- III
   
2. A- V, B- II, C- I, D- IV, E- III
   
3. A- III, B- V, C- II, D- I, E- IV
   
4. A- IV, B- II, C- III, D- I, E- V
   

Q. Three different flowers are given to you in the practical class.
(i) Maize
(ii) Vallisneria
(iii) Rose
You are asked to group them based on pollinating agents. Describe the adaptions of each flower related with the agents of pollination.

Q. The rewards given by a plant to its pollinators are

1. II, III, IV
2. I, II, III
3. I, III
4. I, II, IV

Q. Refer to the given characteristics of some flowers.
(i) Light and non-sticky pollen grains
(ii) Exserted stigmas and anthers
(iii) Large, often feathery stigmas
(iv) Flower colourless, odourless and nectarless
(v) Common in grasses
Given features are the characteristic of.

1. Hydrophily
2. Entomophily
3. Zoophily
4. Anemophily

Q. Wind pollinated flowers differ from Entomophilous flowers in having?

1. No petals and light pollen
2. Coloured petals and large pollen
3. Small petals and sticky pollen
4. Small coloured petals and heavy pollen

Q. An insect helping in pollination is

1. Drosophila
2. Bombyx mori
3. Musco nebulo
4. Apis dorsata

Q. The nectar is produced in the flowers which are pollinated by

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

Q. Give the technical terms for the following :
Pollination of flowers by insects.

Q. The long silky hair coming out of cob of Maize are

1. Meant for attracting insects
2. Meant for protecting seeds
3. Meant for fruit dispersal
4. Long styles and stigmas

Q. Discuss various adaptations for self and cross-pollinations.