This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 8 How Do Organisms Reproduce – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Spirogyra reproduces by means of ..... A) Binary fission. B) Multiple fission. C) Fragmentation. D) Budding. Show Answer Correct Answer: C) Fragmentation. 2. In a flower the parts that produce male and female gametes are A) Filament and stigma. B) Stamen and anther. C) Anther and ovary. D) Stamen and style. Show Answer Correct Answer: C) Anther and ovary. 3. Which female hormone maintains pregnancy? A) Estrogen. B) FSH. C) LH. D) Progesterone. Show Answer Correct Answer: D) Progesterone. 4. Amphibians (like frogs and toads) and fishes are examples of A) Internal fertilisation. B) External fertilisation. C) All the above. D) None of the above. Show Answer Correct Answer: B) External fertilisation. 5. The ability of a cell to divide into several cells during reproduction in Plasmodium is called A) Budding. B) Multiple fission. C) Binary fission. D) Reductional division. Show Answer Correct Answer: B) Multiple fission. 6. A major male sex organ that produces and stores sperm. A) Prostate Gland. B) Testicle. C) Ovary. D) Vas deferens. Show Answer Correct Answer: B) Testicle. 7. Which is the site of fertilisation? A) Uterus. B) Vagina. C) Fallopian tubes. D) Cervix. Show Answer Correct Answer: C) Fallopian tubes. 8. Which of the following is the correct sequence of organs of male reproductive system for transport of sperms? A) Vas deferens, witness, urethra. B) Witness, vas deferens, ureter. C) Witness, vas deferens, urethra. D) Testis, ureter, urethra. Show Answer Correct Answer: C) Witness, vas deferens, urethra. 9. The anther contains: A) Sepals. B) Eggs. C) Carpel. D) Pollen grains. Show Answer Correct Answer: D) Pollen grains. 10. In ..... the disease of the parent plants get transferred to the offspring A) Sexual reproduction. B) Asexual reproduction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Asexual reproduction. 11. A Planaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and S in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the two Planaria worms could regenerate to form the complete respective worms? A) Only P. B) Only R and S. C) Only P, R and S. D) P, Q, R and S. Show Answer Correct Answer: D) P, Q, R and S. 12. All the variations are ..... A) Harmful. B) Useful. C) Both. D) None. Show Answer Correct Answer: C) Both. 13. The fertilisation which occurs out side the female body is called A) Internal fertilisation. B) External fertilisation. C) All the above. D) None of the above. Show Answer Correct Answer: B) External fertilisation. 14. In plants, the length of pollen tube formed during the process of reproduction depends on: A) The distance between the pollen grain and lower part of style. B) The distance between the pollen grain on upper surface of stigma and style. C) The distance between the pollen grain and upper surface of stigma. D) The distance between the upper surface of stigma and lower part of style. Show Answer Correct Answer: A) The distance between the pollen grain and lower part of style. 15. A man has a undescended testicles a condition in which the testes are not descended out from the abdominal cavity. This condition leads to infertility of male because: A) Testerone is not produced. B) Nutrients are nor provided to the sperms. C) Lower temperature is not provided for the development of sperms. D) Higher temperature is not provided for the development of sperms. Show Answer Correct Answer: C) Lower temperature is not provided for the development of sperms. 16. Which of the following plant are propagated by the roots? A) Bryophyllum. B) Carrot. C) Rose. D) Potato. Show Answer Correct Answer: B) Carrot. 17. The flower of the Hibiscus plant is A) Bisexual. B) Unisexual. C) None of this. D) Both Unisexual and Bisexual. Show Answer Correct Answer: A) Bisexual. 18. The ratio of number of chromosomes in a human zygote and a human sperm is: A) 2:1. B) 3:1. C) 1:2. D) 1:3. Show Answer Correct Answer: A) 2:1. 19. In the list of organisms given below, those that reproduce by the asexual method are(i) banana (ii) dog (iii) yeast (iv) Amoeba A) (ii) and (iv). B) (i), (iii) and (iv). C) (i) and (iv). D) (ii) and (iv) and (iv) and (iv). Show Answer Correct Answer: B) (i), (iii) and (iv). 20. The narrator says the hydra will be "almost" an exact copy of its parent. What process might sometimes cause a genetic change during asexual reproduction? A) Meiosis. B) Crossing over. C) Mutation. D) None of the above. Show Answer Correct Answer: C) Mutation. 21. An organism capable of reproducing by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is: A) Spirogyra. B) Hydra. C) Bryophyllum. D) Paramecium. Show Answer Correct Answer: B) Hydra. 22. Menstruation flow at the end of the menstruation period is due to degeneration of A) Corpus Luteum. B) Endometrium of uterus. C) Unfertilized ovum. D) Ovaries. Show Answer Correct Answer: B) Endometrium of uterus. 23. The offsprings formed by sexual reproduction exhibit more variations because ..... A) Sexual reproduction is a lengthy process. B) B) genetic material comes from two parents of same species. C) Genetic material comes from two parents of different species. D) Genetic material comes from many parents. Show Answer Correct Answer: B) B) genetic material comes from two parents of same species. 24. The function of cotyledon is A) Provides nutrition to the seed. B) Absorb water from soil. C) Absorb oxygen for respiration. D) It has no function. Show Answer Correct Answer: A) Provides nutrition to the seed. 25. In asexual reproduction, all of the offspring are: A) Physically Identical. B) Genetically Identical. C) Physically and Genetically Identical. D) Not Identical. Show Answer Correct Answer: B) Genetically Identical. 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