CBSE Class 10CBSE
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Question Bank Solutions for CBSE Class 10 - CBSE - Science

Login
Create free account


      Forgot password?
Subjects
Chapters
Subjects
Popular subjects
Chapters
Science
< prev 1 to 20 of 6275 next > 

Name the life process of an organism that helps in the growth of its population.

[2.04] Life Processes
Chapter: [2.04] Life Processes
Concept: Concept of Life Processes
Appears in 1 question paper

List two main causes of the pollution of water of the river Ganga. State how pollution and contamination of river water prove harmful for the health of the people of neighbouring areas.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

Out of the two-reuse and recycle-which, in your opinion, is better to practise? Give reason.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 6 question papers

Write one negative effect of affluent lifestyle of few persons on the environment.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

Define reproduction.

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 1 question paper

How does it help in providing stability to the population of species?

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 1 question paper

The activities of man had adverse effects on all forms of living organisms in the biosphere. Unlimited exploitation of nature by man disturbed the delicate ecological balance between the living and non-living components of the biosphere. The unfavourable conditions created by man himself threatened the survival not only of himself but also of the entire living organisms on the mother earth. One of your classmates is an active member of 'Eco club' of your school which is creating environmental awareness amongst the school students, spreading the same in the society and also working hard for preventing environmental degradation of the surroundings.

State the importance of green and blue dust-bins in the safe disposal of the household waste

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

The activities of man had adverse effects on all forms of living organisms in the biosphere. Unlimited exploitation of nature by man disturbed the delicate ecological balance between the living and non-living components of the biosphere. The unfavourable conditions created by man himself threatened the survival not only of himself but also of the entire living organisms on the mother earth. One of your classmates is an active member of 'Eco club' of your school which is creating environmental awareness amongst the school students, spreading the same in the society and also working hard for preventing environmental degradation of the surroundings

List two values exhibited by your classmate who is an active member of Eco-club of your school.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

What is DNA?

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 2 question papers

Where is DNA found in a cell ?

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 1 question paper

What is DNA copying?

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 2 question papers

State the importance of DNA copying.

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 2 question papers

Everyone of us can do something to reduce our personal consumption of various natural resources. List four such activities based on 3-R approach.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 2 question papers

Give one example each from your daily life where the domestic waste can be effectively reused and recycled.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

List two items which can be easily recycled, but we generally throw them in the dust-bins.

[5.01] Management of Natural Resources
Chapter: [5.01] Management of Natural Resources
Concept: Natural Resources - Conservation and Judicious Use of Natural Resources
Appears in 1 question paper

Insects, octopus, planaria and vertebrates possess eyes. Can we group these animals together on the basis of eyes that they possess ? Justify your answer giving reason.

[2.01] Heredity and Evolution
Chapter: [2.01] Heredity and Evolution
Concept: Evolution and Classification - Introduction
Appears in 3 question papers

How does the amount of DNA remain constant though each new generation is a combination of DNA copies of two individuals?

[2.02] Reproduction
Chapter: [2.02] Reproduction
Concept: Reproduction - Introduction
Appears in 3 question papers

Why should a magnesium ribbon be cleaned before it is burnt in air?

[1.05] Chemical Reactions
Chapter: [1.05] Chemical Reactions
Concept: Chemical Equation

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?

[1.04] Acids, Bases and Salts
Chapter: [1.04] Acids, Bases and Salts
Concept: Concept of Acids, Bases and Salts

A solution turns red litmus blue, its pH is likely to be

[1.04] Acids, Bases and Salts
Chapter: [1.04] Acids, Bases and Salts
Concept: Concept of Acids, Bases and Salts
< prev 1 to 20 of 6275 next > 
Question Bank Solutions for CBSE Class 10 CBSE Science. You can further filter Question Bank Solutions by subjects and chapters. 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.
S
View in app×