CBSE Class 10 Science Assignment

Read and download the CBSE Class 10 Science Assignment for the 2025-26 academic session. We have provided comprehensive Class 10 Science school assignments that have important solved questions and answers for All topics. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.

Solved Assignment for Class 10 Science All topics

Practicing these Class 10 Science problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for All topics, covering both basic and advanced level questions to help you get more marks in exams.

All topics Class 10 Solved Questions and Answers

Two Marks Questions
 
Q 1) Give two advantages of vegetative propagation
Q 2) Define the term unisexual and bisexual giving one example of each
Q 3) Differentiate between embryo and zygote
Q 4) Name one sexually transmitted disease each caused due to bacterial infection and viral infection. state any two ways to prevent them
Q 5) Draw the diagram of the longitudinal section of a) Flower and label on it a. stigma b).Ovary
Q 6) What is placenta? state its functions
Q 7) Differentiate between self pollination and cross pollination
Q 8) What are the advantages of sexual reproduction over asexual reproduction
Q 9) State four methods of contraception with example of each
Q 10) State two functions of fallopian tube
Q 11) Mention the functions preformed by the secretion of the glands associated with male reproductive system
Q 12) What is the preparation shown by the uterus every month on anticipation of pregnancy?
Q 13) Enlist the stakeholders who should be considered, while we think of conservation of forest
Q 14) Mention two causes of pollution of river Ganga
Q 15) What do the local people need from the forest
Q 16) State four advantages of water stored underground over the water stored above ground in ponds/lakes
Q 17) Mention four disadvantages of using coal/petroleum as fuels
Q 18) Name any two plants that have been grown as monoculture in the forest belts after independence in India. What is the consequence of this practice?
Q 19) Define variation in relation to species. Why is variation beneficial to the species.
Q 20) In terms of evolution ,what is the significance of homology between human hand and a wing of a bird?
Q 21) What is meant by analogous organs with example show how they support the evolution.
Q 22) Why did Mendel choose pea plant for his experiments
Q 23) The number of tropic levels in a food chain is limited. Why ?
Q 24) Why do harmful chemicals concentrate as we go up in a food chain.
 
Three Marks Questions
 
Q 1) Name three parts of carpel and mention one function of each of them
Q 2) Draw a labeled diagram of the longitudinal section of a flower
Q 3) What are male and female gonads of human being? Mention any one function of each
Q 4) How oral pills do acts as contraceptives? What way can they be harmful?
Q 5) How has the method of artificial selection by human helped d in the evolution of different vegetables?
Q 6) In human beings the statistical probability of getting either a male or female child is 50:50. Give suitable explanations
Q 7) Mention three important features of fossils which help in the study of evolution
Q 8) Show that in Mendel’s experiment the F1 generation plants had both the parental traits, tallness and shortness
Q 9) Explain any three factors that lead to rise of new species
Q 10) Describe in detail the evolution of human beings or modern man
Q 11) What is 10% law ? Explain with suitable example.
Q 12) Why bacteria & fungi are called decomposer? List any two advantages of decomposer to the environment.
Q 13) What is Ozone hole? Where is it located? How is it formed?
Q 14) What changes can you make in your habits to become more environment friendly?
Q 15) Why do we require managing our resources?
Q 16) An environmentalist on visit to your school suggested the use of three R’s to save the environment. Explain what he meant by three R’s and how you would follow his advice at home.
 
Five Marks Questions
 
Q.1 a. Draw a labeled diagram of reproductive system of human female
b. What happens to the lining of the uterus (i) before release of a fertilized egg (ii) if no fertilization of the ovum occurs?
Q.2 a. Draw a diagram illustrating fertilization in a flowering plant and label on it pollen grains, male germ cell, female germ cell and stigma 
b. Describe the process of fertilization in plants
Q.3 Explain spore formation in Rhizopus with diagram
Q.4 Explain budding in hydra along with diagrams
Q.5 Draw a labeled diagram of a seed- opened to show the embryo. Which part of seed forms shoot and root?
Q.6 what is fission in relation to reproduction? Describe the different types with diagram
Q.7. Define regeneration. Illustrate only with diagrams the [process of regeneration in planaria
Q.8. Name an organism Mendel used for his experiments. Explain about F1 and F2 progeny obtained by Mendel when he bred the tall and the short varieties of the organism he experimented with.
Q.9. Does geographical isolation of individuals of a species lead to formation of a new species ? Provide a suitable explanation.
Q.10. a) How do Mendels experiment show that traits may be dominant or recessive ? b.) How do Mendel’s experiment show that traits are inherited independently
Q.11) With the help of an example, explain how variation leads to evolution.
Q.12) a) Define Speciation. Explain how speciation occurs. b) Will geographical isolation be a major factor in the speciation of a self pollinating plant species ? Give reason for your answer.

CBSE Class 10 Science All topics Assignment

Access the latest All topics assignments designed as per the current CBSE syllabus for Class 10. We have included all question types, including MCQs, short answer questions, and long-form problems relating to All topics. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.

Benefits of solving Assignments for All topics

Practicing these Class 10 Science assignments has many advantages for you:

  • Better Exam Scores: Regular practice will help you to understand All topics properly and  you will be able to answer exam questions correctly.
  • Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
  • Huge Variety of Questions: These All topics sets include Case Studies, objective questions, and various descriptive problems with answers.
  • Time Management: Solving these All topics test papers daily will improve your speed and accuracy.

How to solve Science All topics Assignments effectively?

  1. Read the Chapter First: Start with the NCERT book for Class 10 Science before attempting the assignment.
  2. Self-Assessment: Try solving the All topics questions by yourself and then check the solutions provided by us.
  3. Use Supporting Material: Refer to our Revision Notes and Class 10 worksheets if you get stuck on any topic.
  4. Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.

Best Practices for Class 10 Science Preparation

For the best results, solve one assignment for All topics on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.

Where can I download the latest CBSE Class 10 Science Chapter All topics assignments?

You can download free PDF assignments for Class 10 Science Chapter All topics from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.

Do these Science Chapter All topics assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 10 Science Chapter All topics assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.

Are the assignments for Class 10 Science Chapter All topics based on the 2026 exam pattern?

Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter All topics.

How can practicing Chapter All topics assignments help in Science preparation?

Practicing topicw wise assignments will help Class 10 students understand every sub-topic of Chapter All topics. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Science Chapter All topics assignments for free on mobile?

Yes, all printable assignments for Class 10 Science Chapter All topics are available for free download in mobile-friendly PDF format.