Advertisement Remove all ads

Question Bank Solutions for CBSE Class 7 - CBSE - Science

Advertisement Remove all ads
Subjects
Topics
Subjects
Popular subjects
Topics
Science
< prev 1 to 20 of 320 next > 

Why do organisms need to take food?

[1] Nutrition in Plants
Chapter: [1] Nutrition in Plants
Concept: Mode of Nutrition in Plants

Fill in the blanks:

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

[1] Nutrition in Plants
Chapter: [1] Nutrition in Plants
Concept: Mode of Nutrition in Plants

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
[1] Nutrition in Plants
Chapter: [1] Nutrition in Plants
Concept: Mode of Nutrition in Plants

Fill in the blanks:

The main steps of nutrition in humans are  _______________________________

__________and __________

[2] Nutrition in Animals
Chapter: [2] Nutrition in Animals
Concept: Different Ways of Taking Food

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

Column I Column II
Food components Product(s) of digestion
Carbohydrates Fatty acids and glycerol
Proteins Sugar
Fats Amino acids
[2] Nutrition in Animals
Chapter: [2] Nutrition in Animals
Concept: Different Ways of Taking Food

You must be familiar with the given nursery rhymes

Baa baa black sheep, have you any wool.

Answer the following:

Which parts of the black sheep have wool?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

You must be familiar with the following nursery rhymes:

Mary had a little lamb, whose fleece was white as snow

Answer the following:

What is meant by the white fleece of the lamb?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

Which of the following does not yield wool?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

What is meant by term Rearing?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

What is meant by term Shearing ?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

What is meant by term Sericulture?

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

Given below is a sequence of steps in the processing of wool. Which are the missing steps? Add them

Shearing, __________, sorting, ______________________________

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

Given below is a crossword puzzle based on this lesson. Use hints to fill in the blank spaces with letters that complete the words.

Down

(D) 1: Thorough washing

2 : Animal fibre

3 : Long thread like structure

Across

(A) 1 : Keeps warm

2 : Its leaves are eaten by silkworms

3 : Hatches from egg of moth

[3] Fibre to Fabric
Chapter: [3] Fibre to Fabric
Concept: Animal Fibres > Concept of Wool

State similarities and differences between the laboratory thermometer and the clinical thermometer.

[4] Heat
Chapter: [4] Heat
Concept: Concept of Hot and Cold

Give two examples each of conductors and insulators of heat.

[4] Heat
Chapter: [4] Heat
Concept: Concept of Hot and Cold

Fill in the blanks:

Temperature of boiling water cannot be measured by a __ __ thermometer.

[4] Heat
Chapter: [4] Heat
Concept: Concept of Hot and Cold

State the differences between acids and bases.

[5] Acids, Bases and Salts
Chapter: [5] Acids, Bases and Salts
Concept: Concept of Acid and Its Properties

Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?

[5] Acids, Bases and Salts
Chapter: [5] Acids, Bases and Salts
Concept: Concept of Acid and Its Properties

Name the source from which litmus solution is obtained. What is the use of this solution?

[5] Acids, Bases and Salts
Chapter: [5] Acids, Bases and Salts
Concept: Concept of Acid and Its Properties

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

Nitric acid turns red litmus blue. (T/F)

[5] Acids, Bases and Salts
Chapter: [5] Acids, Bases and Salts
Concept: Concept of Acid and Its Properties
< prev 1 to 20 of 320 next > 
Advertisement Remove all ads
Question Bank Solutions for CBSE Class 7 CBSE Science. You can further filter Question Bank Solutions by subjects and topics. Solutions for most of the questions for CBSE can be found here on Shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with Shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×