This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 34 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What BEST defines adhesion. A) Water molecules bonded to other other surfaces due to the transparency of water. B) Water molecules bonding to each other due to the hydrophobic nature of water. C) Water molecules sticking to each other due to the polarity of water. D) Water molecules sticking to other surfaces due to the polarity of water. Show Answer Correct Answer: D) Water molecules sticking to other surfaces due to the polarity of water. 2. One of the main functions of stems is to A) Carry out photosynthesis. B) Transport substances between roots and leaves. C) Store carbophydrates. D) Store water. Show Answer Correct Answer: B) Transport substances between roots and leaves. 3. To observe mitosis, which of the following should a student examine under a compound microscope? A) Epidermis of a leaf. B) Xylem from a tree trunk. C) Phloem from the stem of a plant. D) Tip of a shoot. Show Answer Correct Answer: D) Tip of a shoot. 4. The tiny opening on the plant that lets air in and holds water in is called the ..... A) Cuticle. B) Guard cell. C) Stomata. D) Petal. Show Answer Correct Answer: C) Stomata. 5. Xylem vessel elements are strengthened by A) Lignin. B) Cellulose. C) Pericycle. D) Melanin. Show Answer Correct Answer: A) Lignin. 6. Which of the following are true of phloem tissue? I. plasmodesmata separate each sieve elementII. companion cells contain many mitochondria for active transportIII. the lumen of sieve elements has no organelles A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 7. Where does photosynthesis take place in a plant? A) Nuclus. B) Cell wall. C) Cell membrane. D) Chloroplast. Show Answer Correct Answer: D) Chloroplast. 8. The type of growth in a plant that causes the plants roots and shoots to become longer. A) Cell enlargement. B) Primary growth. C) Turgor. D) Secondary growth. Show Answer Correct Answer: B) Primary growth. 9. The ..... helps hold the plant up and carries water and nutrients to the rest of the plant from the roots. A) Stem. B) Seed. C) Roots. D) Leaves. Show Answer Correct Answer: A) Stem. 10. The main plant body of a moss is ..... A) Spores. B) Sporophyte. C) Gametophyte. D) Capsule. Show Answer Correct Answer: C) Gametophyte. 11. In what way is fertilization different in angiosperms than in other plants? A) In angiosperms, a sperm fuses with an egg to produce a zygote. B) Unlike other plants, angiosperms require water for fertilization to take place. C) Two fertilization events take place in angiosperms, producing a zygote and endosperm. D) Angiosperms are the only plants to produce seeds after fertilization takes place. Show Answer Correct Answer: C) Two fertilization events take place in angiosperms, producing a zygote and endosperm. 12. Ferns are a type of A) Nonvascular Plant. B) Angiosperm. C) Vascular Seedless Plant. D) Vascular Seed Plant. Show Answer Correct Answer: C) Vascular Seedless Plant. 13. A type of germination where the cotyledon goes above the soil is called ..... A) Dicots. B) Hypocotyl. C) Epygeal. D) Epicotyl. Show Answer Correct Answer: C) Epygeal. 14. An objective of plant breeding is A) To produce low yielding crop. B) To decrease responsiveness to fertilisers in crops. C) To produce disease and insect resistance crops. D) None of the above. Show Answer Correct Answer: C) To produce disease and insect resistance crops. 15. Which of the following raw material is available in the air for Photosynthesis? A) Nitrogen. B) Carbon dioxide. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: B) Carbon dioxide. 16. PLANTS THAT FEED ON INSECTS. A) SYMBIOSIS. B) PARASITIC PLANT. C) INSECTIVOROUS PLANTS. D) SAPHROPHYTES. Show Answer Correct Answer: C) INSECTIVOROUS PLANTS. 17. The development of a plant from a seed. A) Germination. B) Vigorous. C) Dormancy. D) Hardening off. Show Answer Correct Answer: A) Germination. 18. Which characteristic is not found in all plants? A) Prokaryotic. B) Photosynthetic. C) Eukaryotic. D) Have cell walls. Show Answer Correct Answer: A) Prokaryotic. 19. Which of the following are true of xylem vessels? I. They have no end wallsII. They have pores (pits) in the outer cell wallIII. They contain lignin A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 20. Plants give off ..... into the atmosphere. A) Solar energy. B) Water. C) Carbon dioxide. D) Oxygen. Show Answer Correct Answer: D) Oxygen. 21. In Photosynthesis Process, Solar Energy Is Converted Into Which Energy A) Growth energy. B) Physical energy. C) Carbohydrate energy. D) Chemical energy. Show Answer Correct Answer: D) Chemical energy. 22. RAM WANTED TO VERIFY IF FERTILISER HELPS PLANTS TO GROW WELL. HE TOOK A POTTED PLANT, MIXED FERTILISER WITH THE SOIL AND TOOK GOOD CARE OF IT. HE ALSO MAINTAINED A RECORD OF THE GROWTH OF THE PLANT . FIND OUT THE MISTAKE HE DID? A) NOT GROWING A SIMILAR PLANT WITHOUT FERTILISER. B) MIXING FERTILISER TO SOIL. C) WATERING THE PLANT REGULARLY. D) MAINTAINING A GROWTH CHART. Show Answer Correct Answer: A) NOT GROWING A SIMILAR PLANT WITHOUT FERTILISER. 23. Which types of plants are dependent on water for reproduction A) Mosses and ferns. B) Ferns and angiosperms. C) Mosses and angiosperms. D) Angiosperms and gymnosperms. Show Answer Correct Answer: A) Mosses and ferns. 24. Which of the following is not necessary for photosynthesis A) Water. B) Oxygen. C) Chlorophyll. D) Carbon-di-oxide. Show Answer Correct Answer: B) Oxygen. 25. Which part keeps the plant in the ground? A) Stem. B) Leaf. C) Flower. D) Roots. Show Answer Correct Answer: D) Roots. 26. Movement of sugar from the source into the sieve tube cell is an active process that requires energy. A) Cohesion. B) Diffusion. C) Capillary action. D) Active transport. Show Answer Correct Answer: D) Active transport. 27. The rate of translocation in the phloem was observed to decrease steadily after a plant was placed in an environment without oxygen for several minutes. Why did this happen? A) The cells in the plants stop respiring. B) The plant can no longer synthesize sugars to provide energy. C) The xylem no longer takes in water for the plant. D) Active transport of mineral salts can no longer occur. Show Answer Correct Answer: A) The cells in the plants stop respiring. 28. The ancestors of today's land plants were probably A) Lichens. B) Red Algae. C) Brown Algae. D) Green Algae. Show Answer Correct Answer: D) Green Algae. 29. Place these statements in the correct order.I. water enters root hairs by osmosisII. the solute concentration inside root hairs increasesIII. water enters xylem vessels by osmosisIV. mineral ions enter root hairs by active transport A) I $\rightarrow$ IV $\rightarrow$ II $\rightarrow$ III. B) IV $\rightarrow$ I $\rightarrow$ II $\rightarrow$ III. C) I $\rightarrow$ II $\rightarrow$ IV $\rightarrow$ III. D) IV $\rightarrow$ II $\rightarrow$ I $\rightarrow$ III. Show Answer Correct Answer: D) IV $\rightarrow$ II $\rightarrow$ I $\rightarrow$ III. 30. What is something called that grows on another plant, but is not a parasite? A) Arial root. B) Fiddlehead. C) Epiphyte. D) Rhizoid. Show Answer Correct Answer: C) Epiphyte. ← 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