Ncert – class 8- science – Chapter 6: Reproduction in Animals 1 Welcome to your Ncert - class 8- science - Chapter 6: Reproduction in Animals 1 1. Give the proper correlation.Budding : ______ :: Binary fission :______ Amoeba, Rhizopus Hydra, Rhizopus Amoeba, Hydra Hydra, Amoeba None 2. Unlike hen's egg, frog's egg is not covered by a ________ and it is comparatively very delicate. jelly spore shell None of the above None 3. The fusion of male and female gametes results in the formation of: Sperm Egg Embryo Zygote None 4. Apart from Hydra, budding can also be observed in: Yeast Ameoba None Both A and B None 5. Which of the following points is correct?OviparousViviparous1. They lay eggs.1. Give birth to young ones directly.2. Chances of survival of young ones are less.2. Chances of survival of young ones are more.3. E.g. Whale and dolphins3. E.g. Birds and frog 2,3 1,2 1,2 None None 6. What type of fertilization takes place in frog and fish? In vitro fertilization External fertilization Internal fertilization In vivo fertilization None 7. In human beings, a single matured egg is released into the by one of the ovaries every month. 8. Asexual reproduction produces new individuals that are: Genetically unidentical to their parents. Both Genetically identical to their parents. and Genetically identical to their siblings. Genetically identical to their siblings. Genetically identical to their parents. None 9. How do the sperms reach the egg during external fertilization in water bodies? None of the above Animals carry sperms to the egg Sperms randomly swim to the eggs using tail Eggs float to the sperms None 10. Single called animals are said to be immortal because They grow indefinitely in size They can reproduce throughout their life span They can tolerate any degree of change in temperature They continue to live as their daughter cells None 11. Which of the following statements is not correct regarding oviparous animals? Females lay fertilized/unfertilized eggs at a safe place. None of these Development of zygote takes place outside the female's body. Examples of oviparous animals are all birds, most reptiles and egg-laying mammals. None 12. _______ is the production of an exact copy of a cell of any living part or a complete organism. Cloning Binary fission Budding Multiple fission None 13. Which of the following stages is necessary in the life cycle of an animal in which complete metamorphosis occurs? Egg Larva Adult All of the above None 14. Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because Genetic material comes from parents of two different species Gametes of parents have qualitatively different genetic composition Greater amount of DNA is involved in sexual reproduction Sexual reproduction is a lengthy process None 15. Fill in the blank by choosing the correct option:During binary fission, the nucleus of the parent cell __________. does not divide None of the above divides sometimes divides while other times does not None 16. Egg-producing animals such as birds are called: Hermaphrodite Viviparous Oviparous Unisexual None 17. Binary fission is seen in: Homo sapiens Spirogyra Kalanchoe Amoeba None 18. How did Dolly, the cloned sheep die? Heart disease Mouth infection Lung disease Brain haemorrhage None 19. Asexual method of reproduction by binary fission is common to which of the following?(i) Some eukaryotes(ii) All eukaryotes(iii) Some prokaryotes(iv) All prokaryotes (ii) and (iii) (i) and (ii) (i) and (iv) (iii) and (iv) None 20. ........... is a mode of asexual reproduction. Pollination Germination Budding Cloning None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
