Class 5 Science Chapter 2 Plants Solutions

CHAPTER - 2

Plants

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

1. ___________ are known as food factories of the plant.

2. Plants, like ___________, reproduce through roots.

3. _ and _ are the raw materials needed for photosynthesis.

4. ___________ is a small hole present on the seed.

5. Movement of seeds, from one place to another, is called ___________.

Answer

(1) Leaves

(2) dahlia

(3) carbon dioxide, water

(4) Micropyle

(5) seed dispersal.

Match the following.

( Exercise )

Answer: 1. e 2. a 3. b 4. c 5. d

Tick the correct option.

( Exercise )

1. The small baby plant, coming out of a seed is known as the-

2. The process, by which a plant makes its own food, is called-

3. Which of these plants has only one cotyledon?............................................ 4. For proper germination, a seed need- 5. Lotus seeds are dispersed mainly through-

Answer

(i) seedling

(ii) potosynthesis

(iii) wheat

(iv) water, air as well as the appropriate temperature

(v) water

Answer the following questions in brief.

( Exercise )

1. Name the pigment present in green leaves of a plant.

Answer: chlorophyll

2. Why do some plants feeds on insects?

Answer: Some plants need extra food in addition to what they prepare by photosynthesis because these plants grow in poor soil which lacks nitrogen salts. So, they get their extra nourishment from insects.

3. Name the two methods of reproduction in plants.

Answer: two methods of reproduction in plants are:

Vegetative reproduction
Reproduction through seeds

4 State the conditions required for the proper germination of a seed.

Answer: water, air as well as the appropriate temperature are required for the proper germination of a seed.

Answer the following questions.

( Exercise )

1. Why do all seeds not germinate to form new plants?

Answer: All seeds do not get appropriate amount of water, air and correct warmth which are necessary for germination of seeds.

2. Seeds do not germinate when they are kept in an ice-box or refrigerator. Why?

Answer: Seeds do not germinate when they are kept in an ice box or refrigerator because they do not get appropriate warmth which is necessary for the germination of a seed.

3. State the importance of vegetative reproduction in plants.

Answer: It is an easier and faster method of increasing the number of the same plant. It also helps to grow plants, like banana, which bear no seeds.

4. List any three natural ways of seed dispersal. Give one example for each of them.

Answer: Three natural ways of seed dispersal are:

Dispersal by wind – Cotton seeds.
Dispersal by water – Lotus seeds.
Dispersal by birds, insects and rodents – grains.

5 How can one grow a rose plant without seeds?

Answer: one can grow a rose plant without seeds with the help of stem cutting method of vegetative reproduction.

…………………………………………………….

6. State the function of following:

(a) Seed coat – it provides a protective layer to the cotyledons.

(b) Cotyledons – cotyledons store food for the baby plant to grow.

…………………………………………………….

7. Write the ways of dispersal of seeds in the following plants.

CHAPTER - 2

Plants

EXERCISE

(Question/Answer)

Highlights

(i) Fill in the blanks.

(ii) Match the following.

(iii) Tick the correct option

(iv) Answer the following questions in brief.

(v) Answer the following questions.

Fill in the blanks

( Exercise )

1. ___________ are known as food factories of the plant.

2. Plants, like ___________, reproduce through roots.

3. ___________ and ___________ are the raw materials needed for photosynthesis.

4. ___________ is a small hole present on the seed.

5. Movement of seeds, from one place to another, is called ___________.

Answer

Match the following.

( Exercise )

Tick the correct option.

( Exercise )

1. The small baby plant, coming out of a seed is known as the-

2. The process, by which a plant makes its own food, is called-

3. Which of these plants has only one cotyledon?............................................ 4. For proper germination, a seed need- 5. Lotus seeds are dispersed mainly through-

Answer

Answer the following questions in brief.

( Exercise )

1. Name the pigment present in green leaves of a plant.

2. Why do some plants feeds on insects?

3. Name the two methods of reproduction in plants.

4 State the conditions required for the proper germination of a seed.

Answer the following questions.

( Exercise )

1. Why do all seeds not germinate to form new plants?

2. Seeds do not germinate when they are kept in an ice-box or refrigerator. Why?

3. State the importance of vegetative reproduction in plants.

4. List any three natural ways of seed dispersal. Give one example for each of them.

5 How can one grow a rose plant without seeds?

Related Topics

MCQ

Sample Questions

Sample Papers

Test Series

Shop

NCERT Questions

NCERT Questions

NCERT Questions

MCQ

Sample Questions

Sample Papers

Test Series

Shop

NCERT Questions

NCERT Questions

NCERT Questions

MCQ

Sample Questions

Sample Papers

Test Series

Shop

NCERT Questions

NCERT Questions

NCERT Questions

MCQ

Sample Questions

Sample Papers

Test Series

Shop

NCERT Questions

NCERT Questions

NCERT Questions

MCQ

Sample Questions

Sample Papers

Test Series

Shop

NCERT Questions

NCERT Questions

NCERT Questions

3. _ and _ are the raw materials needed for photosynthesis.