Ncert – class 8- science – Chapter 6: Reproduction in Animals 1 Welcome to your Ncert - class 8- science - Chapter 6: Reproduction in Animals 1 1. The fusion of male and female gametes results in the formation of: Embryo Zygote Sperm Egg None 2. Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because Gametes of parents have qualitatively different genetic composition Sexual reproduction is a lengthy process Genetic material comes from parents of two different species Greater amount of DNA is involved in sexual reproduction None 3. 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 (iv) (i) and (ii) (iii) and (iv) None 4. Asexual reproduction produces new individuals that are: Genetically identical to their parents. Genetically unidentical to their parents. Both Genetically identical to their parents. and Genetically identical to their siblings. Genetically identical to their siblings. None 5. 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 6. ........... is a mode of asexual reproduction. Pollination Germination Cloning Budding None 7. Binary fission is seen in: Spirogyra Amoeba Homo sapiens Kalanchoe None 8. Unlike hen's egg, frog's egg is not covered by a ________ and it is comparatively very delicate. spore jelly shell None of the above None 9. How did Dolly, the cloned sheep die? Lung disease Mouth infection Heart disease Brain haemorrhage None 10. Egg-producing animals such as birds are called: Viviparous Unisexual Hermaphrodite Oviparous None 11. Fill in the blank by choosing the correct option:During binary fission, the nucleus of the parent cell __________. None of the above does not divide divides sometimes divides while other times does not None 12. Which of the following stages is necessary in the life cycle of an animal in which complete metamorphosis occurs? All of the above Egg Adult Larva None 13. Apart from Hydra, budding can also be observed in: Yeast Ameoba None Both A and B None 14. Single called animals are said to be immortal because They continue to live as their daughter cells They can tolerate any degree of change in temperature They can reproduce throughout their life span They grow indefinitely in size None 15. 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 16. What type of fertilization takes place in frog and fish? In vivo fertilization Internal fertilization External fertilization In vitro fertilization None 17. _______ is the production of an exact copy of a cell of any living part or a complete organism. Multiple fission Cloning Binary fission Budding None 18. Give the proper correlation.Budding : ______ :: Binary fission :______ Hydra, Amoeba Amoeba, Hydra Hydra, Rhizopus Amoeba, Rhizopus None 19. In human beings, a single matured egg is released into the by one of the ovaries every month. 20. 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 1,2 2,3 None 1,2 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.
