Biology
Which of the following statements is incorrect?
- Eggs and sperms are the reproductive gametes.
- Fertilization occurs before implantation.
- Epididymis is the highly coiled structure found on the upper side of the testis.
- Gestation period in humans is 820 days.
Reproductive System
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Answer
Gestation period in humans is 820 days.
Reason — Eggs (female gametes) and sperms (male gametes) are involved in reproduction. Fertilization (fusion of sperm and egg) occurs in the oviduct, and then the zygote moves to the uterus for implantation. The epididymis is a coiled tube where sperms mature and are stored.
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Internally, the uterus opens into:
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There are many specific cellular structures involved in the process of reproduction in humans, like :
1. Gametes
2. Foetus
3. Zygote
4. EmbryoWhich of these start resembling with the parents?
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Assertion (A): Reproduction is a kind of life process which is not necessary for the survival of humans in their own life time.
Reason (R): The process of reproduction helps in the continuation of species on earth, not an individual.
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Assertion (A): Budding is a type of asexual reproduction which occurs only in some plants.
Reason (R): Both Yeast and Hydra, reproduce by the process of budding.
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