This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 2 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is adaptation does the Joshua Tree use? A) Rely on timed rainfall for water storage. B) Produce fruit all year round. C) Stay active all year round. D) None of the Above. Show Answer Correct Answer: A) Rely on timed rainfall for water storage. 2. Plants have organs which work together to carry out specific functions. A flowering plant is held in the ground by its ..... A) Stems. B) Epidermis. C) Leaves. D) Roots. Show Answer Correct Answer: D) Roots. 3. Both the top and bottom sides of leaves contain a single layer of ..... A) Guard cells. B) Phloem. C) Xylem. D) Epidermal cells. Show Answer Correct Answer: D) Epidermal cells. 4. Organisms that are made up of many cells are called A) Hypocellular. B) Unicellular. C) Megacellular. D) Multicellular. Show Answer Correct Answer: D) Multicellular. 5. Which of the following are lateral meristems? A) Vascular cambium. B) Leaf primordia. C) Bundle sheaths. D) Axillary buds. Show Answer Correct Answer: A) Vascular cambium. 6. What is the tissue on the outer surface of a plant and has a waxy coating is called A) Dermal tissue. B) Ground tissue. C) Xylem tissue. D) Phloem tissue. Show Answer Correct Answer: A) Dermal tissue. 7. How do stomata open and close? A) Transportation. B) What. C) Osmosis. D) None of above. Show Answer Correct Answer: C) Osmosis. 8. Which type of vascular tissue carries solutions of nutrients and carbohydrates produced by photosynthesis? A) Lignin. B) Xylem. C) Tracheids. D) Phloem. Show Answer Correct Answer: D) Phloem. 9. Monocots have ..... cotyledon. A) One. B) Zero. C) Two. D) Depends on the plant. Show Answer Correct Answer: A) One. 10. Plants are ..... which means they make their own food. A) Liveotrophs. B) Chemotrophs. C) Autotrophs. D) Heterotrophs. Show Answer Correct Answer: C) Autotrophs. 11. What do we call the process of alternating between asexual and sexual reproduction? A) Alternation of gametophytes. B) Alternation of sporophytes. C) Alternation of generations. D) None of above. Show Answer Correct Answer: C) Alternation of generations. 12. Water and minerals move through vascular tissue known as what? A) Stomata. B) Xylem. C) Root hairs. D) Phloem. Show Answer Correct Answer: B) Xylem. 13. Plants that bear their seeds out in the open on a cone are called * A) Angiosperms. B) Gymnosperms. C) Mosses. D) None of above. Show Answer Correct Answer: B) Gymnosperms. 14. Which hormone in plants is found in the roots and stems and controls the the elongation of cells. A) Abcisic acid. B) Ethylene. C) Gibberellins. D) Auxins. Show Answer Correct Answer: D) Auxins. 15. In xylem, there are gaps within the lignin called ..... These allow surrounding cells to be supplied with water. A) Companion cells. B) Plasmolemma. C) Pits. D) Holes. Show Answer Correct Answer: C) Pits. 16. These structures are surrounded by guard cells that allow carbon dioxide to enter and oxygen & water to leave. A) Chloroplast. B) Roots. C) Stomata. D) Vacuole. Show Answer Correct Answer: C) Stomata. 17. What are two things that all plants have in common? ? ? ? ? A) All plants are eukaryotic and unicellular. B) All plants are heterotrophs and they do not do photosynthesis. C) Photosynthesis. D) Photosynthesis and all plants are autotrophs. Show Answer Correct Answer: D) Photosynthesis and all plants are autotrophs. 18. Stem cutting is a common method of artificial vegetative propagation in which plant? A) Rose. B) Blueberry. C) Apple. D) Jasmine. Show Answer Correct Answer: A) Rose. 19. CHARLES REID BARNES WAS ..... A) AMERICAN. B) RUSSIAN. C) AFRICAN. D) EUROPEAN. Show Answer Correct Answer: A) AMERICAN. 20. Which factor will not increase the rate of transpiration? A) Wind. B) Light intensity. C) Temperature. D) Humidity. Show Answer Correct Answer: D) Humidity. 21. The vascular part of the plant that carries water through the plant A) Root. B) Zylem. C) Phloem. D) Stem. Show Answer Correct Answer: B) Zylem. 22. What is the function of stomata? A) Stomata allow gases to enter and exit the leaf. B) Stomata absorb water and minerals from the ground. C) Stomata anchor the plant in the ground. D) Stomata absorb sunlight for photosynthesis. Show Answer Correct Answer: A) Stomata allow gases to enter and exit the leaf. 23. What kind of plant develops in one year, but doesn't bloom until the next year? A) Annual. B) Late bloomers. C) Biennial. D) Perennial. Show Answer Correct Answer: C) Biennial. 24. The plant roots grow towards the gravity, this is known as ..... A) Hydrotropism. B) Phototropism. C) Geotropism. D) None of above. Show Answer Correct Answer: C) Geotropism. 25. The roots of this plant can give rise to a new baby plant. A) Bryophyllum. B) Sweet potato. C) Sugarcane. D) None of above. Show Answer Correct Answer: B) Sweet potato. 26. In order to make their own food, plants use the process of A) Chloroplast. B) Cellular respiration. C) Photosynthesis. D) Protein synthesis. Show Answer Correct Answer: C) Photosynthesis. 27. A lateral meristem that functions in secondary growth and replaces the epidermis in the roots and stems. A) Phloem. B) Vascular cambium. C) Xylem. D) Cork cambium. Show Answer Correct Answer: D) Cork cambium. 28. The process of converting solar energy into chemical energy that is stored in sugar. A) Transpiration. B) Cellular respiration. C) Photosynthesis. D) Transportation. Show Answer Correct Answer: C) Photosynthesis. 29. Which of the following explains why having sunken stomata reduces the rate of transpiration? A) Less water molecules blown away gives a lower concentration gradient. B) More water molecules blown away gives a lower concentration gradient. C) Less water molecules blown away gives a higher concentration gradient. D) More water molecules blown away gives a higher concentration gradient. Show Answer Correct Answer: A) Less water molecules blown away gives a lower concentration gradient. 30. This part of the plant supports it and carries water. A) Root. B) Seed. C) Leaf. D) Stem. Show Answer Correct Answer: D) Stem. ← PreviousNext →Related QuizzesPlant Biology QuizzesAgriculture QuizzesPlant Biology Quiz 1Plant 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