This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 8 Reproduction In Plants – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 8 Reproduction In Plants Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the embryo of a typical dicot and a grass true homologous structures are A) Coleorhiza, coleoptile. B) Coleoptile, scutellum. C) Cotyledon, scutellum. D) Hypocotyl, radicle. Show Answer Correct Answer: C) Cotyledon, scutellum. 2. ..... , ..... & ..... are examples of artificial vegetative reproduction. A) Cutting, layering & tissue culture. B) Grafting, rhizomes & tubers. C) Offshoots, grafting & bulbs. D) Cutting, layering & corms. Show Answer Correct Answer: A) Cutting, layering & tissue culture. 3. What is the purpose of artificial propagation in plants? A) To produce new buds that grow into new individuals. B) To form spores that can be used in reproduction. C) To undergo meiosis to produce gametes. D) To produce plants in a laboratory setting. Show Answer Correct Answer: D) To produce plants in a laboratory setting. 4. Which is the male reproductive part of the flower? A) Stamen. B) Pistil. C) Stigma. D) Ovary. Show Answer Correct Answer: A) Stamen. 5. Which of the following statements are correct? A) Male gamete is smaller than female gamete. B) Female gamete is smaller than male gamete. C) Both gametes are of equal size. D) Size of gametes is irrelevant. Show Answer Correct Answer: A) Male gamete is smaller than female gamete. 6. A type of germination that occurs when the cotyledon remains below the ground. A) Globular. B) Hypogeal. C) Torpedo. D) Epigeal. Show Answer Correct Answer: B) Hypogeal. 7. True / FalseA unisexual flower has both stamen and pistil in it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 8. What is the name of the process when the pollen and the ovule join together? A) Condensation. B) Nutrition. C) Fertilisation. D) Pollination. Show Answer Correct Answer: C) Fertilisation. 9. What is meant by "seed dispersal" ? A) The development of seed into a new plant. B) The spread of seed away from the parent plant. C) The development of ovule into a seed after fertilization. D) The spread of seed to the stigma of another flower. Show Answer Correct Answer: B) The spread of seed away from the parent plant. 10. Flowers which contain either only pistil or only stamens are called ..... A) Sexual reproduction. B) Bisexual flowers. C) Unisexual flowers. D) Asexual Reproduction. Show Answer Correct Answer: C) Unisexual flowers. 11. These are plants that produce spores for reproduction instead of seeds and don't grow flowers, woods or true roots. A) Conifers. B) Ferns. C) Mosses. D) Horse radish. Show Answer Correct Answer: C) Mosses. 12. The other name for gynoecium is A) Pistil. B) Stigma. C) Androecium. D) Style. Show Answer Correct Answer: A) Pistil. 13. The 2 nuclei at the end of the pollen tube are called A) Tube nucleus, generative nucleus. B) Sperm and ovum. C) Generative nucleus and stigma. D) Tube nucleus and sperm. Show Answer Correct Answer: A) Tube nucleus, generative nucleus. 14. When the pollen grain of a flower lands on the stigma of a flower of a different plant of the same kind, it is called ..... pollination. A) Self. B) Cross. C) Flower. D) None of the above. Show Answer Correct Answer: B) Cross. 15. Seed dispersal in coconut is aided by winds. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. Select the statements that is true A) Pollen grains forms seeds ; Anther forms fruit. B) Ovary forms seeds ; Ovules form fruit. C) Ovary forms fruit ; Ovules form seeds. D) Pollen grains forms fruit ; Anther forms seeds. Show Answer Correct Answer: C) Ovary forms fruit ; Ovules form seeds. 17. Plants always reproduce to increase their A) Numbers. B) Height. C) Weigh. D) Colours. Show Answer Correct Answer: A) Numbers. 18. Jamie wanted to grow tomato plants. He placed five seeds in the soil and watered them. A few days later he noticed that the seeds were beginning to break open, and a plant was emerging. What process did Jamie most likely observe? A) Pollination. B) Fertilization. C) Germination. D) CondensationTagsSC.4.L.16.1. Show Answer Correct Answer: C) Germination. 19. True/False:Plants do not respire when they are carrying out photosynthesis. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Apomictic embryos in Citrus arise from A) Synergids. B) Nucellar cells. C) Antipodal cells. D) Diploid egg. Show Answer Correct Answer: B) Nucellar cells. 21. Seed dispersal, fertilisation, seed germination and pollination are processes in plant reproduction. What is the correct sequence for events after pollination? A) Dispersal $\rightarrow$ fertilisation $\rightarrow$ germination. B) Dispersal $\rightarrow$ germination $\rightarrow$ fertilisation. C) Fertilisation $\rightarrow$ dispersal $\rightarrow$ germination. D) Germination $\rightarrow$ fertilisation $\rightarrow$ dispersal. Show Answer Correct Answer: C) Fertilisation $\rightarrow$ dispersal $\rightarrow$ germination. 22. The pedicel has a slightly swollen tip called the A) The sepals. B) Receptacle. C) Pistil. D) Pedicel. Show Answer Correct Answer: B) Receptacle. 23. If endosperm has 36 number of chromosomes then find out the chromosome number of male and female gamete. A) 18, 18. B) 17, 18. C) 20, 20. D) 12, 12. Show Answer Correct Answer: D) 12, 12. 24. Which of the follwing plants has spiny seeds? A) Maple. B) Madar. C) Do you. D) Balsam. Show Answer Correct Answer: C) Do you. 25. How do plants attract pollinators? A) By producing nectar, colorful flowers, and enticing scents. B) By using camouflage to blend in with the environment. C) By emitting loud noises and vibrations. D) By producing toxic chemicals to repel predators. Show Answer Correct Answer: A) By producing nectar, colorful flowers, and enticing scents. ← PreviousNext →Related QuizzesClass 7 Science Chapter 8 Reproduction In Plants Quiz 1Class 7 Science Chapter 8 Reproduction In Plants Quiz 2Class 7 Science Chapter 8 Reproduction In Plants Quiz 3Class 7 Science Chapter 8 Reproduction In Plants Quiz 4Class 7 Science Chapter 8 Reproduction In Plants Quiz 5Class 7 Science Chapter 8 Reproduction In Plants Quiz 6Class 7 Science Chapter 8 Reproduction In Plants Quiz 7Class 7 Science Chapter 8 Reproduction In Plants Quiz 8Class 7 Science Chapter 8 Reproduction In Plants Quiz 9Class 7 Science Chapter 8 Reproduction In Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books