In mammals the testes lie in scrotal sacs due to (a) presence of urinary bladder (b) presence of rectum (c) long vas-deferens (d) requirement of low temperature for spermatogenesis
(d) requirement of low temperature for spermatogenesis
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5
Which of the following helps in transport and nutrition of sperms? (a) Mucus (b) Blood (c) Urine (d) Glandular secretions
(d) Glandular secretions
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5
Asexual reproduction produces offspring that are (a) genetically identical to their parents (b) genetically identical to their siblings (c) none of the above (d) both (a) and (b)
(d) both (a) and (b)
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5. By which method, asexual reproduction occurs in Amoeba (a) fission (b) budding (c) germination (d) all of these
(a) fission
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Like animals, plants produce (a) many more sperm than eggs (b) a few more sperm than eggs (c) equal numbers of sperm and eggs (d) fewer sperm than eggs
(a) many more sperm than eggs
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Which of the following is embedded in the uterine wall? (a) Zygote (b) Embryoâs head (c) Placenta (d) Eggs
(c) Placenta
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3. Site of fertilization in mammals is (a)ovary (b) uterus (c) vagina (d) fallopian tube
(d) fallopian tube
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10. The process of development of organism like itself is called (a) budding (b) flowering (c) reproduction (d) none of the above
(c) reproduction
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Which of the following have buds on their leaves as vegetative reproducing structure? (a) Rose (b) Strawberry (c) Bougaincillea (d) Bryophyllum