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Write short note on Parthenogenesis....

Write short note on Parthenogenesis.

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The word parthenogenesis is derived from two Greek words, parthenos means .virgin. and genesis means .origin.. It can be defined as the formation of embryo from an unfertilised egg or haploid female gamete. In parthenogenesis, the haploid egg in which no fertilisation occurs, develops into an embryo. This forms viable seed which can give rise to a new plant.
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ARIHANT PRAKASHAN-VERY SIMILAR TEST 1-Section - B (Zoology)
  1. Write short note on Parthenogenesis.

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  2. Choose the correct answer from the choices given under each bit/Give t...

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  3. Choose the correct answer from the choices given under each bit/Give t...

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  4. Choose the correct answer from the choices given under each bit/Give t...

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  5. Oral contraceptives check ovulation by inhibiting the secretion of

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  6. Two allelic genes are located on the :

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  7. ul("Cellular barriers") forms first line of defence.

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  8. Fill in the blanks with correct answer (s)/ Correct the underlined por...

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  9. Fill in the blanks with correct answer (s)/ Correct the underlined por...

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  10. Fill in the blanks with correct answer (s)/ Correct the underlined por...

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  11. Fill in the blanks with correct answer (s)/ Correct the underlined por...

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  12. State the three characteristics of acquired immunity.

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  13. Why do lepidopterans die when they feed on Bt cotton plant ? Explain h...

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  14. Name and explain the surgical method advised to human males and female...

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  15. What are the homologus organs or divergent evolution?

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  16. What are the reasons of drug abuse by the youth?

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  17. What is inbreeding depression and how is it caused in organism ? Write...

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  18. Differentiate between any one of the following pairs. (Restrict each a...

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  19. Differentiate between any one of the following pairs. (Restrict each a...

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  20. Differentiate between any one of the following pairs. (Restrict each a...

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  21. Writes notes of the following : Characteristics of Ramapithecus

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