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

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Match the columns:

  Human Stage   Cranial Capacity
(1) Homo sapiens (a) 650-800 cc
(2) Homo neanderthal (b) 900 cc
(3) Homo habilis (c) 1400 cc
(4) Homo erectus (d) 1450 cc
[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Give the significance of fertilization.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: undefined >> undefined

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Which endocrine gland plays an important, role in improving immunity?

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Multiple choice question.

In human female, the fertilized egg gets implanted in uterus _______.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Opium derivative is ____________.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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The stimulant present in tea is ___________.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Which of the following is caused by smoking?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Name one disease caused by smoking?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Name the addicting component found in tobacco.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Answer the following question.

What is capacitation? Give its importance.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Why is smoking a bad habit?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Describe the process of fertilization.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Describe the ill –effects of alcoholism on health.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Write a short note on fallopian tube.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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______ has an important role in the development of immune system by maturation of T lymphocytes.

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Explain the mechanism of fertilization in humans.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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State the names of hormones and glands secreting them:

Development of immune system and maturation of T-lymphocyte.

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Give any four significances of fertilization in humans.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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State the site of production and function of thymosin, testosterone.

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Which hormones are called neurohypophyseal hormones?

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: undefined >> undefined
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