Growth and Movement

Q.

Write 5 examples of commensalism.

Q. The ability of an organism to respond to stimuli is called .

1. sensitivity
2. sensibility
3. movement

Q. Assertion (A): Seed is a living thing.
Reason (R): Seed can grow into a plant under right conditons.

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

Q. Assertion (A): Plants of same type can be found in different locations.
Reason (R): Plants perform the process of seed dispersal.

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

Q. Which of the following organisms is known to show growth throughout its life?

1. Sparrow
2. Tree
3. Lion
4. Human

Q.

Give three reasons for dispersal of seeds in plants. [3 MARKS]

Q. Assertion (A): All excretory products of plants are useless for humans.
Reason (R): Plant excretory products include gums and resins.

1. A and R are correct and R is a correct explanation of A.
2. A and R are correct but R is not a correct explanation of A.
3. A is correct but R is incorrect.
4. A is incorrect but R is correct.

Q.

Many birds and insects are mostly aerial in nature. Additionally, even ______ also make use of winds to germinate in better conditions.

1. Seeds

2. Squirrels

3. Fruits

4. Butterflies

Q. Which of the following can be considered a living thing?

1. Wood
2. Paper
3. Seed
4. Rock

Q. Identify the biotic component from the given statements.

1. They obtain nutrition by preparing their own food.
2. Gums and latex are their excretory products.

1. Animals
2. Humans
3. Soil
4. Plants

Q.

Egestion is same as Excretion.

1. True

2. False

Q. A car can be called living as it can move.

1. False
2. True

Q. Branchless angiosperm trees are called as

1. Excurrent
2. Caudex
3. Shrub
4. Deliquscent

Q. Justify whether the item provided in the image are living or non-living. (2 marks)

Q. Assertion (A): All excretory products of plants are useless for humans.
Reason (R): Plant excretory products include gums and resins.

1. A is correct but R is incorrect.
2. A is incorrect but R is correct.
3. A and R are correct and R is a correct explanation of A.
4. A and R are correct but R is not a correct explanation of A.

Q. Identify living things.

1. Duck
2. Salamander
3. Soil
4. Hibiscus
5. Meat
6. Hen
7. Clock
8. Man

Q. Select the stimulus to which an organism responds to.

1. Touch
2. Light
3. Heat
4. Cold
5. Sound
6. Smell
7. Soil
8. Sky