This quiz works best with JavaScript enabled. Home > Agriculture > Plant Cell Structure > Ultrastructure > Ultra Structure Of Plant Cells And Organs – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 12 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why can the onyanga tree thrive in the desert? A) It gets a lot of rain. B) It steals water from other plants. C) It stores more moisture. D) It doesn't need water. Show Answer Correct Answer: C) It stores more moisture. 2. The picture shows a cross-section of a plant stem viewed through a microscope. Y, the encircled region of the cross-section, is involved in creating support for the plant.Which level of organization is best represented by region Y? A) Tissue, a collection of cells working together for a common purpose. B) Cell, an individual compartment with a specialized function. C) Organelle, a microscopic internal structure creating molecules. D) Organ system, a group of organs performing individual functions. Show Answer Correct Answer: A) Tissue, a collection of cells working together for a common purpose. 3. Which of the following shows an adaptioon of many plants that live in cold areas? A) Have large flat leaves to absorb heat all year round. B) Lose their leaves in winter to conserve heat. C) Have pneumatophores to absorb extra oxygen through frozen soil. D) Increase photosythesis during winter to produce more heat. Show Answer Correct Answer: B) Lose their leaves in winter to conserve heat. 4. Acts as the "brain" of the cell and controls all of the cell's activities A) Cell membrane. B) Cell wall. C) Cytoplasm. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 5. Tissue of the plant that function is photosynthesis and storage. A) Vascular. B) Dermal. C) Ground. D) None of above. Show Answer Correct Answer: C) Ground. 6. The role of the guard cell is to A) Control how much water enters the leaf. B) Control the movement of water vapour & gases. C) Control how much glucose is stored. D) Help control the temperature of the plant. Show Answer Correct Answer: B) Control the movement of water vapour & gases. 7. Which two layers of the plant contain chloroplasts? A) Xylem and phloem. B) Upper and lower epidermis. C) Cuticle and upper epidermis. D) Palisade and spongy mesophyll. Show Answer Correct Answer: D) Palisade and spongy mesophyll. 8. "Provides support, protection and fixed shape to the cell" is function of A) Chloroplast. B) Cell wall. C) Cell membrane. D) Nucleus. Show Answer Correct Answer: B) Cell wall. 9. How many nucleus' are in a plant cell? A) 3. B) 5. C) 1. D) 9. Show Answer Correct Answer: C) 1. 10. Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells? A) To absorb light energy and manufacture food. B) To remove waste materials by active transport. C) To manufacture chemical energy from food. D) To control the shape of the cell. Show Answer Correct Answer: A) To absorb light energy and manufacture food. 11. "Produces energy for reactions" is function of A) Cytoplasms. B) Chloroplast. C) Mitochondria. D) Cell membrane. Show Answer Correct Answer: C) Mitochondria. 12. What is a tissue A) A group of cells that share a common goal. B) A tissue that has a function. C) A group of cells that share a common function, structure or both. D) A group of cells. Show Answer Correct Answer: C) A group of cells that share a common function, structure or both. 13. What is geotropism? A) A plant's response to water near it. B) A plant's response to gravity. C) A plant's response to light near it. D) A plant's response to touch. Show Answer Correct Answer: B) A plant's response to gravity. 14. Water makes up approximately 60% of the human body and plays a vital role in regulating body temperature. Which property of water makes it good at regulating temperature? A) Water is a good solvent. B) Water exhibits strong cohesion. C) . Water has an unusual crystalline structure. D) Water has a high capacity for heat. Show Answer Correct Answer: D) Water has a high capacity for heat. 15. The fluid surrounding the organelles of a cell is the A) Chloroplast. B) Cytoplasm. C) Cell membrane+-. D) None of above. Show Answer Correct Answer: B) Cytoplasm. 16. Structure cytoplasm can be found in A) Animal cell only. B) Plant cell only. C) Animal and plant cell. D) None of above. Show Answer Correct Answer: C) Animal and plant cell. 17. Leaf orientation helps the plant reduce heat by A) Decreases internal temperature by evaporative cooling. B) Wilting allows the plant toreduce exposure of surface area to sun. C) Reduce loss of water during heat of the day, reduces water stress. D) Reduces surface area of leaf exposed to the sun. Show Answer Correct Answer: D) Reduces surface area of leaf exposed to the sun. 18. What are two major differences found in plant and animal cells? A) Plant cells have a cell wall and chloroplasts, while animal cells do not. B) Plant cells have a nucleus and vacuoles, while animal cells do not. C) Plant cells have no mitochondria or cytoplasm, while animal cells do. D) They are the same. Show Answer Correct Answer: A) Plant cells have a cell wall and chloroplasts, while animal cells do not. 19. Define plant tissue culture? A) Tissue taken from its original site and transferred to an artificial medium for growth or maintenance. B) The growing of plant cells, tissues, organs, seeds or other plant parts on a nutrient medium under sterile condition. C) Culturing non-human animals through socially transmitted behaviors. D) Farming systems which include the use of synthetic chemical fertilizers, pesticides, herbicides and other continual inputs, genetically modified organisms. Show Answer Correct Answer: B) The growing of plant cells, tissues, organs, seeds or other plant parts on a nutrient medium under sterile condition. 20. Which of the following terms CANNOT be used to describe callus A) Regular mass. B) Undifferentiated mass. C) Unorganised mass. D) Irregular mass. Show Answer Correct Answer: A) Regular mass. 21. What is one of the reactants of cellular respiration? A) Water. B) Carbon dioxide. C) Glucose. D) Energy. Show Answer Correct Answer: C) Glucose. 22. What tissues, organs, organ systems transport materials like water and sugars throughout the plant? A) Vascular system only (xylem and phloem). B) Tissue system only (xylem and phloem). C) Both vascular system and tissue (xylem and phloem). D) None of above. Show Answer Correct Answer: C) Both vascular system and tissue (xylem and phloem). 23. Which statement about photosynthesis is correct? A) Plants do not require energy to perform photosynthesis. B) Plants get the energy they need for photosynthesis from soil. C) Plants get the energy they need for photosynthesis from sunlight. D) Plants get the energy they need for photosynthesis from water. Show Answer Correct Answer: C) Plants get the energy they need for photosynthesis from sunlight. 24. Dermal Tissue is located A) In the fleshy parts of the plant. B) Throughout the plant interior. C) In the outer layer of plant. D) None of above. Show Answer Correct Answer: C) In the outer layer of plant. 25. In some flowers, the ovary is hidden deep within the base of the flower while the pollen is held up in the air, often near a source of nectar. How is this general design helpful to the plant? A) It keeps the pollen dry by exposing it to air while keeping the ovary moist. B) A. It makes it possible for seeds to develop both in the ovary and in the pollen grains. C) It encourages animals to carry pollen for cross-fertilization while leaving the ovary alone. D) A. It allows the plant to self-fertilize more easily since the pollen can drop into the ovary. Show Answer Correct Answer: C) It encourages animals to carry pollen for cross-fertilization while leaving the ovary alone. 26. Jared observes a cell in biology lab with the light microscope. The cell has the following structures:nucleus, cell wall, and chloroplast. Identify the type of cell that Jared is observing. A) Fungus. B) Animal. C) Plant. D) Bacteria. Show Answer Correct Answer: C) Plant. 27. Animals intake ..... and produce ..... as a by product A) Oxygen, Oxygen. B) None of these choices. C) Carbon dioxide, Oxygen. D) Oxygen, Carbon dioxide. Show Answer Correct Answer: D) Oxygen, Carbon dioxide. 28. What is the function of dermal tissues in plants? A) Protect the outer layer. B) Transport nutrients. C) Grow new flowers. D) Complete photosynthesis. Show Answer Correct Answer: A) Protect the outer layer. 29. Pores on the underside of a leaf where gas exchange takes place. A) Stomata. B) Petiole. C) Nodes. D) None of above. Show Answer Correct Answer: A) Stomata. 30. In colder climates (in coniferous trees) xylem is made of: A) Companion cells. B) Vessel elements. C) Sieve tubes. D) Tracheids. Show Answer Correct Answer: D) Tracheids. ← PreviousNext →Related QuizzesPlant Cell Structure QuizzesAgriculture QuizzesUltra Structure Of Plant Cells And Organs Quiz 1Ultra Structure Of Plant Cells And Organs Quiz 2Ultra Structure Of Plant Cells And Organs Quiz 3Ultra Structure Of Plant Cells And Organs Quiz 4Ultra Structure Of Plant Cells And Organs Quiz 5Ultra Structure Of Plant Cells And Organs Quiz 6Ultra Structure Of Plant Cells And Organs Quiz 7Ultra Structure Of Plant Cells And Organs Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books