| 1. | Vegetatively propagated plants ? | |
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are genetically dissimilar
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do not bear buds
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do not bear roots
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are genetically similar
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Report Question| 2. | Which of the following method of contraception protects from acquiring sexually transmitted diseases ? | |
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Oral-pills
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Copper-T
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Surgery
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Condoms
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| 3. | Prenatal sex determination has been prohibited by law due to ? | |
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Possible danger of mothers health
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Increasing cases of male foeticide
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Increasing cases of female foeticide
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High cost charged by doctors
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| 4. | In case the ova does not fertilise, which of the following events will take place ? | |
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Ovulation
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Implantation
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Menstruation
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Pregnancy
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| 5. | In human beings, the fertilization occurs in the ? | |
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vagina
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fallopian tubes
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ovaries
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uterus
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| 6. | Bryophyllum can be propagated vegetatively by the ? | |
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flower
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root
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leaf
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stem
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| 7. | The number of chromosomes in parents and off-springs of a particular species remains constant due to ? | |
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Halving of chromosomes after gamete formation
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Doubling of chromosomes after gamete formation
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Doubling of chromosomes after zygote formation
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Halving of chromosomes during gamete formation
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| 8. | In rhizopus, tubular thread-like structures bearing sporangia at their tips are called ? | |
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Filaments
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Hyphae
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Roots
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Rhizoids
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| 9. | Offspring formed by asexual method of reproduction have greater similarity among themselves because ? | |
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Asexual reproduction involves only one parent, and Asexual reproduction occurs before sexual reproduction
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Asexual reproduction involves only one parent and Asexual reproduction does not involve gametes.
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Asexual reproduction occurs before sexual reproduction, and Asexual reproduction occurs after sexual reproduction
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Asexual reproduction does not involve gametes, and Asexual reproduction occurs after sexual reproduction
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| 10. | Which of the following is the correct sequence of events of sexual reproduction in a flower ? | |
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Pollination, fertilization, seedling, embryo
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Pollination, fertilization, embryo, seedling
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Seedling, embryo, fertilization, pollination
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Embryo, seedling, pollination, fertilization
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