Dispersion by Wind and Water

Q.

Give two examples of plants with winged seeds. [1 MARK]

Q. The seeds of dandelion, calotropis, cotton, maple, milkweed are dispersed by

1. water
2. gravity
3. wind
4. birds

Q. Seeds of lotus are dispersed by ______.

1. animals
2. water
3. birds
4. wind

Q. Maple seeds are dispersed by wind.

1. True
2. False

Q. Which of the following seeds are dispersed by bursting of the fruit with sudden jerks?

1. Balsam
2. Coconut
3. Castor
4. Drumstick seeds

Q. Give some characteristics of seeds that are dispersed by air? Give example. [2 MARKS]

Q. State whether the following statements are true or false.
Statement 1- Seeds of lotus plant get dispersed through the wind.
Statement 2- Lotus seeds are spongy which enable them to float on the water body.

1. Statement 1- True
   Statement 2- False
2. Statement 1- True
   Statement 2- True
3. Statement 1- False
   Statement 2- False
4. Statement 1- False
   Statement 2- True

Q. Seeds with fibrous outer coat are generally dispersed by ______.

1. wind
2. animals
3. water
4. birds

Q. Fibrous seeds are dispersed by wind.

1. True
2. False

Q. Statement 1: The seeds adapted to float on water are usually light.

Statement 2: All light seeds are dispersed by water.

1. Both statements are correct.
2. Both statements are incorrect.
3. Only statement 1 is correct.
4. Only statement 2 is correct.

Q. Fibrous seeds are dispersed by wind.

1. True
2. False

Q. Seeds with fibrous outer covering are dispersed by ______.

1. wind
2. water
3. animals
4. insects

Q. Seeds of lotus are dispersed by ______.

1. water
2. birds
3. animals
4. wind

Q. Dandelions have a small seed surrounded by hair-like feathery structures. These seeds can be dispersed by ________.

1. wind
2. water
3. insects
4. humans

Q. Which part of the gynoecium develops into the seed?

1. Ovary

2. Ovule

3. Style

4. Stigma

Q. Tomato seeds can be dispersed by animals.

1. True
2. False

Q. The spongy seeds or seeds with the fibrous outer coat are generally dispersed by ___.

1. wind
2. animals
3. water
4. gravity