This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 12 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The ..... travels to the ..... during fertilization to form a seed. A) Anther travels to thestigma. B) Pollen travels to the stigma. C) Pollen travels to the ovule. D) Anther travels to the ovule. Show Answer Correct Answer: C) Pollen travels to the ovule. 2. What are the tiny holes in plants' leaves that bring in carbon dioxide? A) Water. B) Stomata. C) Atoms. D) Chlorophyll. Show Answer Correct Answer: B) Stomata. 3. The pistil or carpal contains which type of reproductive tissues? A) Female. B) Male. C) Asexual. D) Petal. Show Answer Correct Answer: A) Female. 4. Unlike a dicot, a monocot has A) 4 or 5 petals per flower. B) Two cotyledons. C) Taproots. D) Parallel leaf veins. Show Answer Correct Answer: D) Parallel leaf veins. 5. 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. 6. What gas is TAKEN IN during photosynthesis? A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) Argon. Show Answer Correct Answer: A) Carbon dioxide. 7. 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. 8. 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. 9. Angiosperms are characterized by ..... and gymnosperms are characterized by ..... A) Flowers; cones. B) Cones; flowers. C) Spores; cones. D) Cones; spores. Show Answer Correct Answer: A) Flowers; cones. 10. Mosses must live in a moist environment because ..... A) They can only absorb oxygen from water. B) Vascular tissue only works in a moist environment. C) Spores need a way to travel to the egg. D) Male gametes need a way to travel to the egg. Show Answer Correct Answer: D) Male gametes need a way to travel to the egg. 11. Active transport is the movement of substances A) From an area of higher concentration to lower concentration. B) From an area of higher concentration to higher concentration. C) From an area of lower concentration to lower concentration. D) From an area of lower concentration to higher concentration. Show Answer Correct Answer: D) From an area of lower concentration to higher concentration. 12. 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. 13. What does chlorophyll capture so that the plant can make its own food? A) Oxygen. B) Energy from sunlight. C) Water. D) Nutrients from the soil. Show Answer Correct Answer: B) Energy from sunlight. 14. 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. 15. Which regions of the visable spectrum is not absorbed well by chlorophyll A) Violet. B) Blue. C) Red. D) Green. Show Answer Correct Answer: D) Green. 16. What part of the chloroplast does the Calvin cycle take place A) Stroma. B) Thylakoid. C) Inner membrane. D) Outer membrane. Show Answer Correct Answer: A) Stroma. 17. 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. 18. 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) Companion cells. B) Seive tube cells. C) Protoxylem. D) Xylem. E) Parenchyma. Show Answer Correct Answer: B) Seive tube cells. 19. 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. 20. 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. 21. Transpiration is the loss of A) Water. B) Sunlight. C) Minerals. D) Nutrients. Show Answer Correct Answer: A) Water. 22. How do nutrients move through nonvascular plants? A) Along stems. B) Through roots. C) Through leaves. D) From cell to cell. Show Answer Correct Answer: D) From cell to cell. 23. Which force causes water molecules to be drawn out of the xylem walls at the leaf? A) Adhesion. B) Tension. C) Gravity. D) Cohesion. Show Answer Correct Answer: A) Adhesion. 24. 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. 25. Which part of a plant carries water to different parts of a plant? A) Roots. B) Stem. C) Leaf. D) Flower. Show Answer Correct Answer: B) Stem. 26. How do the plant systems work together to make this movement of liquid possible? A) The roots absorb water and minerals and move them up to the stem, while the stem moves food produced in the leaves down to the roots in tiny tubes. B) The roots anchor the plants in the soil, and the stem holds the leaves up. C) The roots absorb their own water and minerals, while the stem absorbs its water and minerals through the leaves. D) The roots lose water vapor to the soil, and the stem loses water vapor through the leaves. Show Answer Correct Answer: A) The roots absorb water and minerals and move them up to the stem, while the stem moves food produced in the leaves down to the roots in tiny tubes. 27. What happens in the leaves of a plant that causes water to move up the stem? ? ? ? ? A) The increase in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atmosphere. B) The decrease in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atomosphere. C) They have thickened fibers that can support more weight. D) They have thickened fibers that can support no weight. Show Answer Correct Answer: B) The decrease in the water pressure in the upper parts of plants that is due to the diffusion of water out of stomata into the atomosphere. 28. Hedges that grow along a sidewalk and are frequently touched are shorter than hedges elsewhere. This is known as A) Phototropism. B) Thigmotropism. C) Gravitropism. D) None of above. Show Answer Correct Answer: B) Thigmotropism. 29. The vascular tissue that carries water and nutrients upward through the stem to the leaves is called A) Flohum. B) Phloem. C) Xylem. D) Zylum. Show Answer Correct Answer: C) Xylem. 30. What is transpiration? A) Excess water being released from the aerial parts of plants in the form of water vapor. B) Excess sugar being released from the leave. C) The way a plant makes its food. D) When the plant uses sugar for energy. Show Answer Correct Answer: A) Excess water being released from the aerial parts of plants in the form of water vapor. ← 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