This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 8 How Do Organisms Reproduce – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In Spirogyra, asexual reproduction takes place by: A) Breaking up of filaments into smaller bits. B) Division of a cell into two cells. C) Division of a cell into many cells. D) Formation of young cells from older cells. Show Answer Correct Answer: A) Breaking up of filaments into smaller bits. 2. Reason for the greater similarities among the offsprings produced by asexual reproduction, is:(i) Asexual reproduction involves only one parent(ii) Asexual reproduction involves two parents(iii) Asexual reproduction involves gametes(iv) Asexual reproduction does not involve gametes A) I) and ii). B) I) and iii). C) Ii) and iv). D) I) and iv). Show Answer Correct Answer: D) I) and iv). 3. In the human male, where are sperm made? A) Testes. B) Ovaries. C) Fallopian tube. D) Placenta. Show Answer Correct Answer: A) Testes. 4. A disadvantage of sexual reproduction is that it is A) More time consuming than asexual reproduction. B) Creates less diversity than asexual reproduction. C) Uses less energy than asexual reproduction. D) None of the above. Show Answer Correct Answer: A) More time consuming than asexual reproduction. 5. Offspring that are produced by only one parent are A) Genetically diverse. B) Clones. C) Gametes. D) None of the above. Show Answer Correct Answer: B) Clones. 6. Sexual reproduction results in A) No variation. B) Large amounts of variation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Large amounts of variation. 7. Which organ provides the nourishment to the developing foetus? A) Uterus. B) Placenta. C) Umbilical cord. D) Oviduct. Show Answer Correct Answer: B) Placenta. 8. How does plasmodium divide? A) By binary fission. B) By multiple fission. C) Both a & b. D) By budding. Show Answer Correct Answer: B) By multiple fission. 9. What is NOT a possible way that pollination can happen? A) Sunlight. B) Wind. C) Insects. D) Water. Show Answer Correct Answer: A) Sunlight. 10. What is the main role of Progesterone? A) Completes development of uterus wall, promotes glycogen storage. B) Stimulates follicle to burst and release the ovum. C) Stimulates rebuilding of the uterus wall. D) Stimulates one egg cell to develop (become follicle). Show Answer Correct Answer: A) Completes development of uterus wall, promotes glycogen storage. 11. A-Stock is the lower part of a plant having the rootR-In grafting stock is placed over the scion. A) Both A and R are true, and R is the correct explanation of A. B) Both A and R are true, and R is the correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: C) A is true but R is false. 12. A small copy of parent organism grows on parent body and breaks off as it gets larger A) MITOSIS. B) FISSION. C) Budding. D) REGENERATION. Show Answer Correct Answer: C) Budding. 13. Female reproductive hormone that is produced during pregnancy A) Testosterone. B) Growth hormone. C) Progesterone. D) Oestrogen. Show Answer Correct Answer: C) Progesterone. 14. Which structure allows nutrients to pass to the embryo and takes wastes away from the embryo? A) Placenta. B) Ovary. C) Testes. D) Fallopian tubes. Show Answer Correct Answer: A) Placenta. 15. -Rose is propogated through ..... A) Leaf. B) Stem. C) Root. D) None. Show Answer Correct Answer: B) Stem. 16. The number of chromosomes in parents and offsprings of a particular species remains constant due to A) Halving of chromosomes after gamete formation. B) Doubling of chromosomes after gamete formation. C) Halving of chromosomes during gamete formation. D) Doubling of chromosomes after zygote formation. Show Answer Correct Answer: C) Halving of chromosomes during gamete formation. 17. Which among the following diseases is not sexually transmitted? A) Syphilis. B) Hepatitis. C) HIV-AIDS. D) Gonorrhoea. Show Answer Correct Answer: B) Hepatitis. 18. Offspring formed by asexual method of reproduction have greater similarity among themselves because(i) asexual reproduction involves only one parent(ii) asexual reproduction does not involve gametes(iii) asexual reproduction occurs before sexual reproduction(iv) asexual reproduction occurs after sexual reproduction A) (i) and (ii). B) (i) and (iii). C) (ii) and (iv). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 19. The male reproductive parts of a flower, the stamens, are collectively known as A) Stigma. B) Gynoecium. C) Androcium. D) Sepals. Show Answer Correct Answer: C) Androcium. 20. Vegetative propagation refers to formation of new plants from: A) Stem, roots and flowers. B) Stem, roots and leaves. C) Stem, flowers and fruits. D) Stem, leaves and flowers. Show Answer Correct Answer: B) Stem, roots and leaves. 21. After fertilization the region that develops into fruit and seed A) Petals and sepals. B) Ovules and ovary. C) Ovary and ovules. D) Filament and anther. Show Answer Correct Answer: C) Ovary and ovules. 22. Example of an asexual mode of reproduction i A) Fission. B) Fragmentation. C) Budding. D) All. Show Answer Correct Answer: D) All. 23. If the environment changes for an Asexual offspring it will? A) Explode. B) Create another offspring. C) Fall in love. D) Die. Show Answer Correct Answer: D) Die. 24. Offspring formed by asexual method of reproduction have greater similarity among themselves because:(i) asexual reproduction involves only one parent (ii) asexual reproduction does not involve gametes (iii) asexual reproduction occurs before sexual reproduction (iv) asexual reproduction occurs after sexual reproduction A) (i) and (ii). B) (i) and (iii). C) (ii) and (iv). D) (iii) and (iv). Show Answer Correct Answer: A) (i) and (ii). 25. Does variation happens in Asexual Reproduction? A) Yes. B) 50-50. C) I am not sure at all. D) No. Show Answer Correct Answer: D) No. ← PreviousNext →Related QuizzesClass 10 Science Chapter 8 How Do Organisms Reproduce Quiz 1Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 2Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 3Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 5Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 6Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 7Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 8Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 9Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 10Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books