This quiz works best with JavaScript enabled. Home > Plant Biology > Studies > Plant Biology – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 18 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The two gases that plants exchange are A) Nitrogen and oxygen. B) Carbon dioxide and nitrogen. C) Oxygen and carbon dioxide. D) None of these. Show Answer Correct Answer: C) Oxygen and carbon dioxide. 2. What gas is TAKEN IN during photosynthesis? A) Argon. B) Nitrogen. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 3. The endosperm of the seed is used for A) Food. B) Protection. C) Photosynthesis. D) All of the above. Show Answer Correct Answer: A) Food. 4. Which is true about Asexual reproduction? A) Insects are needed to transfer pollen. B) New plants grow from seeds. C) Offspring are genetically identical to their parent. D) Two types of gametes are involved. Show Answer Correct Answer: C) Offspring are genetically identical to their parent. 5. Angiosperms are characterized by ..... and gymnosperms are characterized by ..... A) Cones; flowers. B) Cones; spores. C) Spores; cones. D) Flowers; cones. Show Answer Correct Answer: D) Flowers; cones. 6. Mosses must live in a moist environment because ..... A) Male gametes need a way to travel to the egg. B) Vascular tissue only works in a moist environment. C) Spores need a way to travel to the egg. D) They can only absorb oxygen from water. Show Answer Correct Answer: A) Male gametes need a way to travel to the egg. 7. Active transport is the movement of substances A) From an area of lower concentration to higher concentration. B) From an area of lower concentration to lower concentration. C) From an area of higher concentration to lower concentration. D) From an area of higher concentration to higher concentration. Show Answer Correct Answer: A) From an area of lower concentration to higher concentration. 8. What do plants need to survive successfully on land? A) Ways to obtain water and other materials, retain water, transport materials, support their bodies, and reproduce successfully. B) Grown green leaves transport plants, obtain water. C) Sunlight, friends, materials, support, and to reproduce successfully. D) Water and sunlight. Show Answer Correct Answer: A) Ways to obtain water and other materials, retain water, transport materials, support their bodies, and reproduce successfully. 9. What does chlorophyll capture so that the plant can make its own food? A) Energy from sunlight. B) Oxygen. C) Nutrients from the soil. D) Water. Show Answer Correct Answer: A) Energy from sunlight. 10. Why are ribosomes often found attached to the membrane of the endoplasmic reticulum? A) One being hydrophilic and the other hydrophobic, they attract each other. B) Ribosomes produce sugars converted into energy by the endoplasmic reticulum. C) The function of both organelles is associated with the synthesis of proteins. D) These organelles work together to transport and store water and other materials. Show Answer Correct Answer: C) The function of both organelles is associated with the synthesis of proteins. 11. Which regions of the visable spectrum is not absorbed well by chlorophyll A) Green. B) Blue. C) Violet. D) Red. Show Answer Correct Answer: A) Green. 12. What part of the chloroplast does the Calvin cycle take place A) Outer membrane. B) Thylakoid. C) Stroma. D) Inner membrane. Show Answer Correct Answer: C) Stroma. 13. An example of genetic control of pests is A) Planting a crop when insects are not present. B) Releasing sterile male insects. C) Genetically altering a plant so that insects that eat it will be killed. D) Planting a variety of a crop that grows more rapidly than do weeds. Show Answer Correct Answer: B) Releasing sterile male insects. 14. What type of cell is described here? Responsible for the transport of assimilates, these cells have very little cytoplasm, no nucleus, and thin cellulose cell walls with perforated end walls between them. A) Protoxylem. B) Xylem. C) Parenchyma. D) Seive tube cells. E) Companion cells. Show Answer Correct Answer: D) Seive tube cells. 15. Which of the following is/are involved in explaining how auxin causes cell elongation? I. an increase in pH breaks hydrogen bonds between cellulose fibresII. auxin activates specific genesIII. a protein pump transports protons from the cell wall to the cytoplasm A) I and II only. B) II only. C) I, II and II. D) II and III only. Show Answer Correct Answer: B) II only. 16. What are gymnosperms' uses A) Building materials. B) Paper. C) Medicines. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. Transpiration is the loss of A) Minerals. B) Nutrients. C) Water. D) Sunlight. Show Answer Correct Answer: C) Water. 18. How do nutrients move through nonvascular plants? A) Along stems. B) From cell to cell. C) Through leaves. D) Through roots. Show Answer Correct Answer: B) From cell to cell. 19. Which force causes water molecules to be drawn out of the xylem walls at the leaf? A) Cohesion. B) Adhesion. C) Tension. D) Gravity. Show Answer Correct Answer: B) Adhesion. 20. What is germination? A) The development of seeds into young plants. B) The process by which the plant grows in size. C) Changes in the whole organism in terms of organization and function. D) None of above. Show Answer Correct Answer: A) The development of seeds into young plants. ← 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