CBSE Class 7CBSE
Account
It's free!

User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

NCERT solutions Science Class 7 chapter 1 Nutrition in Plants

Chapters

NCERT Science Class 7

Science Textbook for Class  7

Chapter 1 - Nutrition in Plants

Pages 9 - 10

Why do organisms need to take food?

Q 1 | Page 9

Distinguish between a parasite and a saprotroph.

Q 2 | Page 9

Give a brief description of the process of synthesis of food in green plants.

Q 4 | Page 9

Show with the help of a sketch that the plants are the ultimate source of food.

Q 5 | Page 9

Show with the help of a sketch that the plants are the ultimate source of food.

Q 5 | Page 9

Fill in the blanks:

Green plants are called __________ since they synthesise their own food.

Q 6.1 | Page 9

Fill in the blanks:

The food synthesised by the plants is stored as __________

Q 6.2 | Page 9

Fill in the blanks:

In photosynthesis solar energy is captured by the pigment called ___________.

Q 6.3 | Page 9

Fill in the blanks:

During photosynthesis plants take in ___________and release ___________

Q 6.4 | Page 9

Name the following:A parasitic plant with yellow, slender and tubular stem.

Q 7.1 | Page 9

Name the following:

A plant that has both autotrophic and heterotrophic mode of nutrition.

Q 7.2 | Page 9

Name the following: The pores through which leaves exchange gases.

Q 7.3 | Page 9

Tick the correct answer:

Amarbel is an example of

(1) autotroph

(2) parasite

(3) saprotroph

(4) host

Q 8.1 | Page 9

Tick the correct answer:

The plant which traps and feeds on insects is

(1) Cuscuta

(2) china rose

(3) pitcher plant

(4) rose

Q 8.2 | Page 9

Match the items given in Column I with those in Column II:

Column I Column II
Chlorophyll Bacteria
Nitrogen Heterotrophs
Amarbel Pitcher plant
Animals Leaf
Insects Parasite
Q 9 | Page 9

Mark ‘T’ if the statement is true and ‘F’ if it is false:

Carbon dioxide is released during photosynthesis. (T/F)

Q 10.1 | Page 9

Mark ‘T’ if the statement is true and ‘F’ if it is false:

Plants which synthesise their food themselves are called saprotrophs. (T/F)

Q 10.2 | Page 9

Mark ‘T’ if the statement is true and ‘F’ if it is false:

The product of photosynthesis is not a protein. (T/F)

Q 10.3 | Page 9

Mark ‘T’ if the statement is true and ‘F’ if it is false:

Solar energy is converted into chemical energy during photosynthesis. (T/F)

Q 10.4 | Page 9

Choose the correct option from the following:

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

1) Root hair

2) Stomata

3) Leaf veins

4) Sepals

Q 11 | Page 10

Choose the correct option from the following:

Plants take carbon dioxide from the atmosphere mainly through their:

(1) roots

(2) stem

(3) flowers

(4) leaves

Q 12 | Page 10

NCERT Science Class 7

Science Textbook for Class  7
S