This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 19 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bacteria and blue-green algae are part of which kingdom? A) Fungi. B) Monera. C) Protista. D) Plantae. Show Answer Correct Answer: B) Monera. 2. What is the body's ability to keep the internal balance of the body stable? A) Transpiration. B) Feedback Mechanism. C) Stimulus. D) Homeostasis. Show Answer Correct Answer: D) Homeostasis. 3. The ancestors of land plants were most likely similar to modern A) Ferns. B) Conifers. C) Flowering plants. D) Green algae. Show Answer Correct Answer: D) Green algae. 4. Which of these is a way in which scientists classify plants? A) By whether they have a cell wall. B) By how they get their energy. C) By whether they have a nucleus. D) By how they reproduce. Show Answer Correct Answer: D) By how they reproduce. 5. A substance through which a plant's roots grow and extract water and nutrients. A) Cambium. B) Cotyledons. C) Root apical meristem. D) Growing medium. Show Answer Correct Answer: D) Growing medium. 6. Which area of the plant has the most photosynthesis taking place? A) Roots. B) Leaves. C) Flower. D) Xylem. Show Answer Correct Answer: B) Leaves. 7. What is the function of nectar? A) To attract animals to disperse the fruits. B) To provide food for the flower. C) To produce perfumes for Man. D) To attract pollinators. Show Answer Correct Answer: D) To attract pollinators. 8. Why is cytokinin hormone used in micropropagation? A) To stimulate development of roots and shoots. B) To prevent dormancy. C) To stimulate cell division. D) To prevent dehydration. Show Answer Correct Answer: A) To stimulate development of roots and shoots. 9. What does a plant need to survive? A) Sunshine. B) Nutrients. C) Water. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. In the absence of which of the following will photosynthesis not occur in leaves? A) Vacuole. B) Space between cells. C) Chlorophyll. D) Guard cells. Show Answer Correct Answer: C) Chlorophyll. 11. Mycorrhizae consist of a mutually beneficial association of ..... and ..... A) Cyanobacteria, fungi. B) Archea, humus. C) Fungi, plant roots. D) Lichens, algae. Show Answer Correct Answer: C) Fungi, plant roots. 12. If the environment is good, most algae, which are single celled stay in the ..... stage. A) Zygotic. B) Diploid. C) Gametophyte. D) Haploid. Show Answer Correct Answer: D) Haploid. 13. What are the small, green leaf-like structures that protect the flower when it is a bud? A) Petals. B) Seeds. C) Pollen. D) Sepals. Show Answer Correct Answer: D) Sepals. 14. Organism that totally dependent on the other organism forfood are called ..... mode of nutrition. A) Autotrophic. B) Symbiotic. C) Parasitic. D) Heterotrophic. Show Answer Correct Answer: D) Heterotrophic. 15. Which of the following is NOT a spore-bearing plant? A) Moss. B) Daffodil. C) Fern. D) Liverwort. Show Answer Correct Answer: B) Daffodil. 16. How do nutrients get from the roots to the rest of the plant? A) The seeds. B) The stem. C) The leaves. D) The soil. Show Answer Correct Answer: B) The stem. 17. Which example below is the site of primary growth that results in the plant increasing in height? A) Apical meristems. B) Axillary buds. C) Bud scales. D) Nodes. Show Answer Correct Answer: A) Apical meristems. 18. What is the function of a plant's roots? A) To help the plant grow next to other plants. B) To keep the plant in the ground and absorb nutrients and water. C) To help the plant reproduce. D) To help the plant collect sunlight. Show Answer Correct Answer: B) To keep the plant in the ground and absorb nutrients and water. 19. When is pollen is transferred from the stamen to the pistil, this is called: A) Germination. B) Spermation. C) Pollination. D) Fertilization. Show Answer Correct Answer: C) Pollination. 20. Are Fungi Autotroph, Heterotroph, or some of both? A) Autotroph and heterotroph do not exist. B) Autotroph. C) Some of both. D) Heterotroph. Show Answer Correct Answer: D) Heterotroph. 21. The seeds of apple would probably be disbursed by? A) Animals. B) Water. C) Fire. D) Wind. Show Answer Correct Answer: A) Animals. 22. THE BACTERIA WHICH PROVIDES NITROGEN TO PLANTS IS CALLED? A) LICHENS. B) RHIZOBIUM. C) YEAST. D) RHIBOZOM. Show Answer Correct Answer: B) RHIZOBIUM. 23. Seed-bearing plants differ from all other plants in that A) Their gametes do not require water for fertilization to occur. B) They have only xylem and no phloem. C) They have a gametophyte generation. D) They have true roots, stems, and leaves. Show Answer Correct Answer: A) Their gametes do not require water for fertilization to occur. 24. Stomata are microscopic openings located on the underside of the leaf. One function of stomata is to- A) Absorb water for the plant. B) Aid in the reproduction of the plant. C) Store glucose for photosynthesis. D) Allow gases to diffuse in and out of the plant. Show Answer Correct Answer: D) Allow gases to diffuse in and out of the plant. 25. Why do plants need air (carbon dioxide) to grow? A) Plants use carbon dioxide to make food. B) Plants use carbon dioxide to transport food to different parts of the plants. C) Plants use carbon dioxide to reproduce. D) Plants use carbon dioxide to keep firm. Show Answer Correct Answer: A) Plants use carbon dioxide to make food. 26. The sac inside a plant cell where food, water and waste is stored is the A) Cuticle. B) Chlorophyll. C) Vacoule. D) Chloroplast. Show Answer Correct Answer: C) Vacoule. 27. The correct pathway of water startingfrom the site of absorption and ending in the siteof photosynthesis. A) Root hair cell $\rightarrow$ root cortex cell $\rightarrow$ xylem $\rightarrow$ mesophyll cell. B) Root hair cell $\rightarrow$ xylem $\rightarrow$ root cortex cell $\rightarrow$ mesophyll cell. C) Mesophyll cell $\rightarrow$ root cortex cell $\rightarrow$ root hair cell $\rightarrow$ xylem. D) Mesophyll cell $\rightarrow$ xylem $\rightarrow$ root cortex cell $\rightarrow$ root hair cell. Show Answer Correct Answer: A) Root hair cell $\rightarrow$ root cortex cell $\rightarrow$ xylem $\rightarrow$ mesophyll cell. 28. Which of the following should a student examine under a compound microscope to observe cell reproduction? A) Tip of a shoot. B) Phloem from the leaf of a plant. C) Epidermis of a leaf. D) Xylem from a tree trunk. Show Answer Correct Answer: A) Tip of a shoot. 29. Seedless nonvascular plants lack roots. This type of plant has ..... to hold them in place. A) Zygotes. B) Roots. C) Rhizoids. D) Phloem. Show Answer Correct Answer: C) Rhizoids. 30. Which of the following pairs is a true aquatic fern? A) Azolla, Lycopodium. B) Azolla, Salvinia. C) Azolla, Selaginella. D) Salvinia, Equisetum. Show Answer Correct Answer: B) Azolla, Salvinia. ← PreviousNext →Related QuizzesPlant Biology QuizzesAgriculture QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 7Plant Biology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books