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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

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Write a note on biocontrol agents.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
Concept: undefined >> undefined

Short answer question.

Explain in brief the factors affecting blood pressure..

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
Concept: undefined >> undefined

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Give scientific reason.

Person who has undergone a heart transplant needs lifetime supply of immunosuppressants.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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What is blood pressure? 

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Meanrch, menstrual cycle, and menopause are controlled by ______.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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How many pairs of testis are present in human male?

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Describe the structure of a Graafian follicle.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Explain the ovarian cycle with its different phases.

[2] Reproduction in Lower and Higher Animals
Chapter: [2] Reproduction in Lower and Higher Animals
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Give an example of complete linkage.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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How many linkage groups are present in Drosophila melanogaster?

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Select the odd one from given herbicides.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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What is mycorrhiza?

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Match the column A with B and rewrite correct pairs

  A B
I Mycoherbicides Cactoblastis
II Bacterial herbicides Alternaria
III Insects as herbicides Xanthomonas
[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Write a note on sex linkage.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Differentiate between complete and incomplete linkage.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Give detail account of sex-linked inheritance.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Identify ‘A’ from the following ECG.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Define hypertension. Explain coronary artery disease and angina pectoris.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Blood pressure ______ indicates hypotension.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Corpus luteum develops from ______.

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