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Botany MCQs for NEET — Practice Questions with Answers

Practice free Botany NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

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An alga which can be employed as food for human being is

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Explanation

(b) Chlorella is an attractive potential food source now-a-days because it is high in protein and other essential nutrients. When dried, it contains about 45% protein, 20% fat, 20% carbohydrate, 5% fibre and 10% minerals along with vitamines. It is mainly used as a food supplement for astronauts.

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One of these protozoans is threat to apiculture and sericulture

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Explanation

(c) Nosema was discovered by PAsture (1865) causing chronic disease pebrine in silkworms and nosema disease in honeybees.

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The callus is defined as

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Explanation

The callus is defined as undifferentiated mass of cells.

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Which of the following is a bacterial disease?

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Explanation

NCERT page number -173

9.2.2 Plant Breeding For Disease Resistance

Strategies For Enhancement In Food Production

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The most ecologically relevant environmental factor is:

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Explanation

1. Read page 221, XII NCERT

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Which of the following algae is likely to be found in the deepest waters?

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Explanation

Page 223, Intext question, XII NCERT

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Darwinian fitness is represented by:

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Explanation

2. Read page 231, XII NCERT

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Under a particular set of selection pressures, organisms evolve towards the most efficient:

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Explanation

4. Read page 232, XII NCERT

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A population interaction where one species is harmed whereas the other is unaffected is called as:

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Explanation

Read page 232, Table 13.1, XII NCERT

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When certain exotic species are introduced into a geographical area they become invasive mainly because:

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Explanation

(b) Read page 233, XII NCERT

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