A few statements with regard to sexual reproduction are given below
I. | Sexual reproduction does not always require two individuals. |
II. | Sexual reproduction generally involves gametic fusion. |
III. | Meiosis never occurs during sexual reproduction. |
IV. | External fertilisation is a rule during sexual reproduction. |
Choose the correct statements from the options below.
1. l and lV
2. l and ll
3. ll and lll
4. l and lV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has
1. haploid vegetative cells and diploid gametangia
2. diploid vegetative cells and diploid gametangia
3. diploid vegetative cells and haploid gametangia
4. haploid vegetative cells and haploid gametangia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are a few statements related to external fertilisation.
I. | The male and female gametes are formed and released simultaneously. |
II. | Only a few gametes are released into the medium. |
III. | Water is the medium in a majority of organisms exhibiting external fertilisation. |
IV. | Offspring formed as a result of external fertilisation have better chances of survival than those formed inside an organism. |
Choose the correct statements.
1. lll and lV
2. l and lll
3. ll and lV
4. l and lV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOffspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because:
1. | sexual reproduction is a lengthy process |
2. | gametes of parents have a qualitatively different genetic composition |
3. | genetic material comes from parents of two different species |
4. | greater amount of DNA is involved in sexual reproduction |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct statement from amongst the following.
1. Dioecious (hermaphrodite) organisms are seen only in animals.
2. Dioecious organisms are seen only in plants.
3. Dioecious organisms are seen in both plants and animals.
4. Dioecious organisms are seen only in invertebrates.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a post-fertilisation event in flowering plants?
1. Transfer of pollen grains
2. Embryo development
3. Formation of flower
4. Formation of pollen grains
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
1. 20
2. 10
3. 40
4. 15
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology