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By which agents is cross-pollination ach...

By which agents is cross-pollination achieved ?

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Cross-pollination is achieved by agents like wind, water or animals.
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KUMAR PRAKASHAN-HOW DO ORGANISMS REPRODUCE?-OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in short : )
  1. What does most basic level in reproduction involve ?

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  2. When does the newly formed DNA copies separate ?

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  3. Are the two cells formed by a cell division absolutely identical ?

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  4. How is reproduction to be achieved a single type, if the organism itse...

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  5. Why regeneration is not the same as reproduction ?

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  6. Which parts of flowers fall off after fertilisation ?

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  7. What are the functions of petals and sepals ?

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  8. Which part of flower persists in the fruit of which plant ?

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  9. State any two changes that can be included under the general process o...

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  10. How are new combinations of variants produced generation after generat...

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  11. Name the methods in which property of vegetative propagation is used ?...

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  12. By which agents is cross-pollination achieved ?

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  13. State any two common changes that appear in both sexes during the peri...

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  14. Secretion of which glands makes transport and nutrition of sperms easi...

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  15. State the difference in meaning between zygote, embryo and foetus.

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  16. What is called placenta ?

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  17. How is body of mother designed to undertake the development of the chi...

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  18. How the transmission of sexually transmitted diseases can be prevented...

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  19. State the names of STDs caused by bacteria and virus.

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  20. What is the misuse of prenatal sex determination ?

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