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What are the changes seen in girls at th...

What are the changes seen in girls at the time of puberty?

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i] Menarche - beginning of menstruation
ii] Development of breasts
iii] Appearance of pubic hair
iv] Appearance of underarm hair
v] Oily skin
vi] Pimples
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ZEN PUBLICATION-HOW DO ORGANISMS REPRODUCE?-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 2 QUESTIONS)
  1. What are the changes seen in girls at the time of puberty?

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  2. Explain fission with examples. Differentiate between binary and multip...

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  3. Represent fragmentation observed in spirogyra diagrammatically.

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  4. Explain the structure and function of stamen and carpel.

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  5. Explain the structure and function of seed parts with the help of well...

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  6. Explain the human reproduction process from insemination to child birt...

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  7. Why does bread mould grow profusely on a moist slice of bread rather t...

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  8. What changes are observed in the uterus subsequent to implantation of ...

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  9. Is the chromosome number of zygotes, embryonal cells and adult of a pa...

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  10. Define the term pollination. Differentiate between self and cross poll...

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  11. a] Identify the given diagram. Name the parts A to E. b] What is...

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  12. Reproduction is one of the most important characteristics of living be...

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  13. What is vegetative propagation? State two advantages and two disadvant...

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  14. List and explain in brief three methods of contraception. OR List ...

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  15. What is DNA copying and state its importance? OR How does the amou...

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  16. Explain the term "Regeneration" as used in relation to reproduction of...

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  17. Name an organism which reproduces by spore formation. List 3 condition...

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  18. List any three differences between pollination and fertilization.

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  19. How does fertilization take place in human beings? Fertilization takes...

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  20. Explain fission with examples. Differentiate between binary and multip...

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  21. Represent fragmentation observed in spirogyra diagrammatically.

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