In angiosperms, microsporogenesis and megasporogenesis

1. Occur in anther

2. Form gametes without further divisions

3. Involve meiosis

4. Occur in ovule

Subtopic:  Stamen: Male Gametophyte | Pistil: Female Gametophyte |
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Male gametophyte in angiosperms produces

1. Two sperms and a vegetative cell

2. Single sperm and a vegetative cell

3. Single sperm and two vegetative cell

4. Three sperms

Subtopic:  Stamen: Male Gametophyte |
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Which one of the following statements is not true?
1. Pollen grains are rich in nutrients and they are used in the form of tablets and syrups
2. Pollen grains of some plants cause severe allergies and bronchial afflictions in some people
3. The flowers pollinated by flies and bats secrete foul odour to attract them
4. Honey is made by bees by digesting pollen collected from flowers

 

Subtopic:  Stamen: Male Gametophyte |
To view explanation, please take trial in the course below.
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Male gametophyte with least number of cells is present in :

1. Pteris

2. Funaria

3. Lilium

4. Pinus

Subtopic:  Stamen: Male Gametophyte |
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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is :

1. Cuticle

2. Sporopollenin

3. Lignin

4. Cellulose

Subtopic:  Stamen: Male Gametophyte |
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Which one of the following is resistant to enzyme action?

1.  Cork

2.  Wood fibre

3.  Pollen exine

4.  Leaf cuticle

Subtopic:  Stamen: Male Gametophyte |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology