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HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions

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Human pregnancy shows three prominent trimesters. Answer the following question based on these trimester.

  1. What is morning sickness during the first trimester?
  2. Name the hormone secreted in the second trimester.
  3. The organ which secretes hormone in second trimester is
[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Write a note on human placenta.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Match the respiratory surfaces to the organisms in which they are found.

  Organ/ cells   Hormones
(i) Corpus luteum (a) HCG
(ii) Leydig's cells (b) Estrogen
(iii) Placenta (c) Progesterone
(iv) Graafian follicle (d) Testosterone
[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Explain the process of parturition.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Definition and importance of Parturition

[2] Reproduction in Lower and Higher Animals
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Answer the following question.

Explain the steps of parturition.

[2] Reproduction in Lower and Higher Animals
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Answer the following question.

Which hormones are involved in parturition?

[2] Reproduction in Lower and Higher Animals
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Name the enzyme secreted by the prostate gland.

[2] Reproduction in Lower and Higher Animals
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Identify the parts labelled in the given diagram.

[2] Reproduction in Lower and Higher Animals
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Explain the process of parturition.

[2] Reproduction in Lower and Higher Animals
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Name the three stages of parturition.

[2] Reproduction in Lower and Higher Animals
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Add a note on lactation.

[2] Reproduction in Lower and Higher Animals
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Give the fate of mesoderm.

[2] Reproduction in Lower and Higher Animals
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Describe three devices by which cross-pollination is encouraged in angiosperms by avoiding self- pollination.

[1] Reproduction in Lower and Higher Plants
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Short answer question.

What is colostrum?

[2] Reproduction in Lower and Higher Animals
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Explain any two contrivances or outbreeding devices for pollination.

[1] Reproduction in Lower and Higher Plants
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What is dichogamy?

[1] Reproduction in Lower and Higher Plants
Chapter: [1] Reproduction in Lower and Higher Plants
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What does IUCD indicate?

[2] Reproduction in Lower and Higher Animals
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Differentiate between the following:

Spermatogenesis and oogenesis

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Answer the following question.

What are the goals of RCH programme.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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