This quiz works best with JavaScript enabled. Home > Plant Cell Structure > Ultra Structure Of Plant Cells And Organs – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 23 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Some plants that grow on the shady floor of the rainforest have large leaves. This helps them to A) Stay safe from predators. B) Attract different bugs. C) Take in as much sunlight as possible. D) Survive harsh winters. Show Answer Correct Answer: C) Take in as much sunlight as possible. 2. "Absorbs light energy for the process of photosynthesis" is function of A) Chloroplast. B) Cell wall. C) Cell membrane. D) Nucleus. Show Answer Correct Answer: A) Chloroplast. 3. Which of the following is an example of response to an internal stimulus? A) A plant growing in response to gravity. B) A tree's roots absorbing water from the riverbed. C) Smelling cookies as they bake and then eating the warm cookies form the oven. D) Seeing a cake on the kitchen table and then sneaking a slice of the cake. Show Answer Correct Answer: A) A plant growing in response to gravity. 4. Plant tissue culture is a practice used to propagate plants under sterile conditions, often to produce ..... of a plant. A) DNA. B) Bacteria. C) Cloning. D) Chromosome. Show Answer Correct Answer: C) Cloning. 5. Which of the following tissues has a very thick secondary walls, usually filled with an organic substance? A) Collechyma tissue. B) Parenchyma tissue. C) Sclerenchyma tissue. D) Permanent tissue. Show Answer Correct Answer: C) Sclerenchyma tissue. 6. Water & soluble nutrients move through the plant in A) The phloem cells. B) The xylem cells. C) The root hair cells. D) Palisade mesophyll layer. Show Answer Correct Answer: B) The xylem cells. 7. This vascular tissue is alive and is controlled by the associated companion cells: A) Pallisade mesophyll. B) Phloem. C) Stomata. D) Xylem. Show Answer Correct Answer: B) Phloem. 8. Which part of the plant is where pollination occurs? A) Leaves. B) Roots. C) Stems. D) Flowers. Show Answer Correct Answer: D) Flowers. 9. Xylem and Phloem are both ..... A) Transpiration. B) Absorption. C) Photosynthesis. D) Vascular tissue. Show Answer Correct Answer: D) Vascular tissue. 10. The structural appearance of Palisade cells A) Long and loosely packed. B) Long and tightly packed. C) Round and loosely packed. D) Round and tightly packed. Show Answer Correct Answer: B) Long and tightly packed. 11. What process do plants go through to create glucose A) Cellular Respiration. B) Photosynthesis. C) Light Reaction. D) Calvin Cycle. Show Answer Correct Answer: B) Photosynthesis. 12. Sugar and the products of photosynthesis move through the plant in A) The phloem cells. B) The xylem cells. C) The root hair cells. D) Palisade mesophyll layer. Show Answer Correct Answer: A) The phloem cells. 13. Which organelle is known as the POWERHOUSE of the cell? A) Mitochondria. B) Cell membrane. C) Vacuole. D) Lysosomes. Show Answer Correct Answer: A) Mitochondria. 14. In palnt tissue Cultue, Which part shows maximum totipotency? A) Xylem. B) Phloem. C) Meristem. D) Stem. Show Answer Correct Answer: C) Meristem. 15. Which cell structure acts as a brain/control center for the cell? A) Nucleus. B) Vacuole. C) Cell wall. D) Cytoplasm. Show Answer Correct Answer: A) Nucleus. 16. Which structure helps prevent water loss and protects the leaf? A) Palisades mesophyll. B) Spongy mesophyll. C) Vascular tissue. D) Cuticle. Show Answer Correct Answer: D) Cuticle. 17. The ..... is the basic unit of life A) Organ. B) Cell. C) Atom. D) Tissue. Show Answer Correct Answer: B) Cell. 18. Tall, rectangular mesophyll cells, called ....., absorb much of the light that falls on a leaf. A) Palisade mesophyll. B) Upper epidermis. C) Spongy mesophyll. D) Cuticle. Show Answer Correct Answer: A) Palisade mesophyll. 19. What is the term for cells grouped together to perform a specific function? A) Cell. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: B) Tissue. 20. Which of the following is a type of sclerenchyma tissue that are long and slender and are important commercially? A) Lignin. B) Fiber. C) Sclereids. D) Pectin. Show Answer Correct Answer: B) Fiber. ← PreviousNext →Related 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 8Ultra Structure Of Plant Cells And Organs Quiz 9Ultra Structure Of Plant Cells And Organs Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books