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

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Biology
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Name the lymphoid organ present in the human pharynx.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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What does the plant tissue culture medium consists of?

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Which of the following prevents collapsing of trachea?

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Sketch and label Human Respiratory system.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Describe the three main types of niches.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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Enlist the steps in the process of chemical evolution.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Name and give the functions of various parts of the nasal chamber.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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When pre-reproductive and post - reproductive age group is same in structure, the population is______.

[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
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The right lung is divided into______.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Which of the following divides nasal cavity?

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Describe nervous system in planaria with well labelled diagram.

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Differentiate between cyclic and non-cyclic photophosphorylation.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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R. Q. for proteins is about .......................

(a) 0.7

(b) 0.8

(c) 0.9

(d) 1.0

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

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Describe non-cyclic photophosphorylation with schematic representation. Give its significance.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Give advantages of single cell protein (SCP).

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Distinguish between photosynthesis and aerobic respiration.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Dead and dried cell mass of microbes having nutritive value is also known as -----------

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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What is ‘jumping genes’?

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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cDNA means ______.

[12] Biotechnology
Chapter: [12] Biotechnology
Concept: undefined >> undefined
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