This quiz works best with JavaScript enabled. Home > Plant Biology > Studies > Plant Biology – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 11 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plants that grow towards the sunlight is known as A) Geotropism. B) Thermotropism. C) Phototropism. D) Thigmotropism. Show Answer Correct Answer: C) Phototropism. 2. A carrot is a (n) A) Taproot. B) Fibrous root. C) Monocot. D) Extensive root system. Show Answer Correct Answer: A) Taproot. 3. How do oxygen and water leave the plant? A) Through the roots of the plant. B) Through the stem of the plant. C) Through the holes located under each leaf. D) Through the seeds of the plant. Show Answer Correct Answer: C) Through the holes located under each leaf. 4. Which of the following is a Red alga? A) Chara. B) Laminaria. C) Fucus. D) Polysiphonia. Show Answer Correct Answer: D) Polysiphonia. 5. What are fungi? ? ? ? A) Heterotrophs, decomposers-external digestion, and the cell wall is made of chitin. B) Autotrophs, photosynthesis, cell wall is made of cellulose. C) Fungi do not exist. D) Mushrooms. Show Answer Correct Answer: A) Heterotrophs, decomposers-external digestion, and the cell wall is made of chitin. 6. In an angiosperm, pollen grains are produced in the A) Stigma. B) Filament. C) Carpel. D) Anther. Show Answer Correct Answer: D) Anther. 7. Which is an angiosperm seed plant A) Conifers. B) Ginkgo. C) Tulips. D) Cycads. Show Answer Correct Answer: C) Tulips. 8. Primary growth is when a plant ..... A) Grows in length. B) Grows as a new plant. C) Germinates. D) Grows upward. Show Answer Correct Answer: A) Grows in length. 9. What are lichens? A) Absorbing nutrients that are from the organic material that they live in. B) Lichens do not exist. C) Result of a partnership that is between a cyanobacteria or fungus. D) Result of a partnership that is between an alga or cyanobacteria or fungus. Show Answer Correct Answer: D) Result of a partnership that is between an alga or cyanobacteria or fungus. 10. Male reproductive structure in plants that includes the anther and filament A) Stamen. B) Phloem. C) Gravitropism. D) None of above. Show Answer Correct Answer: A) Stamen. 11. What would you expect to happen to plants at temperatures greater than 45oC? A) They will have a high rate of photosynthesis if light intensity is great. B) They will have a very high rate of photosynthesis. C) They will have a optimal rate of photosynthesis if water is available. D) They will have a less than optimal rate of photosynthesis. Show Answer Correct Answer: D) They will have a less than optimal rate of photosynthesis. 12. The rate of transpiration decreases with an increase in A) Sunlight. B) Temperature. C) Humidity. D) Wind. Show Answer Correct Answer: C) Humidity. 13. Houses the ovules in the flower. A) Ovary. B) Style. C) Stigma. D) None of above. Show Answer Correct Answer: A) Ovary. 14. Sphagnum is used as a packaging material to transport living plants because (most appropriate) A) It is bushy. B) It lasts long. C) It is easily available. D) It retains huge amount of water. Show Answer Correct Answer: D) It retains huge amount of water. 15. Which gas is produced during photosynthesis. A) Carbon dioxide. B) Oxygen. C) Hydrogen. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. 16. During day, stomata usually.. A) Closed. B) Opened. C) Shrink. D) Expand. Show Answer Correct Answer: B) Opened. 17. Which two characteristics are shared by seedless vascular and nonvascular plants? A) They both have xylem and phloem tissue to transport nutrients and water. B) They both have true stems, leaves, and roots. C) They both live in moist environments and use spores to reproduce. D) None of above. Show Answer Correct Answer: C) They both live in moist environments and use spores to reproduce. 18. Two structures found in plant cells but NOT in animal cells are ..... A) Cell wall and cell membrane. B) Chloroplast and cell membrane. C) Cell wall and chloroplast. D) Vacuole and nucleus. Show Answer Correct Answer: C) Cell wall and chloroplast. 19. As part of the reproductive process, both gymnosperms and angiosperms produce A) Seeds enclosed in fruit. B) Sperm that swim through water. C) Pollen and seeds. D) Male and female cones. Show Answer Correct Answer: C) Pollen and seeds. 20. What part of the female part of the flower gathers pollen? A) Ovary. B) Style. C) Filament. D) Stigma. Show Answer Correct Answer: D) Stigma. ← PreviousNext →Related QuizzesPlant Biology QuizzesPlant Biology Quiz 1Plant Biology Quiz 2Plant Biology Quiz 3Plant Biology Quiz 4Plant Biology Quiz 5Plant Biology Quiz 6Plant Biology Quiz 7Plant Biology Quiz 8Plant Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books