Read and download free pdf of CBSE Class 10 Science Assignment. Get printable school Assignments for Class 10 Science. Standard 10 students should practise questions and answers given here for Science in Grade 10 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 10 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 10 Science
Class 10 Science students should refer to the following printable assignment in Pdf in standard 10. This test paper with questions and answers for Grade 10 Science will be very useful for exams and help you to score good marks
Class 10 Science Assignment
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.
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