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