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CBSE NOTES ⇒ Class 10th ⇒ Science ⇒ 8. How do Organisms Reproduce

8. How do Organisms Reproduce

Assignment


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Q1.What are the significances of reproduction?
Q2.Why do we find variations in the offspring of parents although they have taken birth from the same parents?
Q3.Why variations are considered extremely important?
Q4.Differentiate between regeneration and fragmentation?
Q5.Why is regeneration not same as reproduction?
Q6.How will an organism be benefited if it reproduces through spores?
Q7.Which part of plant is considered as the reproductive part? Draw the L.S of labeled diagram of reproductive part showing the male and female reproductive organ.
Q8.Distinguish between self and cross pollination.
Q9.Differentiate pollination and fertilization.
Q10.Explain the post fertilization changes in flower.
Q11.What are the advantages of seed formation?
Q12.Give the labeled diagram of
a. Germination of pollen on stigma.
b. Seed Germination.
c. Structure of seed.
Q13.What are the similar changes observed in boys and girls at puberty?
Q14.What are the different changes that occur in boys and girls during puberty?
Q15.Define Puberty?
Q16.Distinguish between primary and secondary sex organs?
Q17.What are two important functions of testes and ovary?
Q18.Why are human testes extra abdominal?
Q19.What are the functions of testosterone and estrogen?
Q20.Distinguish between male and female germ cell.
Q21.Where fertilization does takes place in case of human oviduct or fallopian tube?
Q22.What is placenta? What is its function?
Q23.What happens when egg is not fertilized?
Q24.The marriageable are of male and female is 21 years and 18 years respectively, the rule is made by government, although the sexual maturation take place in them earlier. Why?
Q25.What are the adverse effects of early marriage?
Q26.What is reproductive health?
Q27.What are the various types of contraception?

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Study Materials List:

CBSE NOTES ⇒ Class 10th ⇒ Science
1. Chemical Reactions and Equations
2. Acids, Bases and Salts
3. Metals and Non-metals
4. Carbon and its Compounds
5. Periodic Classification of Elements
6. Life Processes
7. Control and Coordination
8. How do Organisms Reproduce
9. Heredity and Evolution
10. Light-Reflection and Refraction
11. Human Eye and Colourful World
12. Electricity
13. Magnetic Effects of Electric Current
14. Sources of Energy
15. Our Environment
16. Management of Natural Resources

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