This quiz works best with JavaScript enabled. Home > Agriculture > Plant Cell Structure > Ultrastructure > Ultra Structure Of Plant Cells And Organs – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 15 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A ..... is the basic unit of function in all living things. A) Nucleus. B) Organism. C) Cell. D) Tissue. Show Answer Correct Answer: C) Cell. 2. Where are the majority of Stomata found in a leaf? A) Spongy mesophyll. B) Lower epidermis. C) Upper epidermis. D) Palisade mesophyll. Show Answer Correct Answer: B) Lower epidermis. 3. What are the 3 main plant organs? A) Roots, stems, leaves. B) Dermal, vascular, ground. C) Roots, stems, flowers. D) Roots, ground, vascular. Show Answer Correct Answer: A) Roots, stems, leaves. 4. The smallest units of life in plants are ..... A) Organ system. B) Organs. C) Cells. D) Tissues. Show Answer Correct Answer: C) Cells. 5. This type of cell is responsible for opening and closing the stomata. A) Guard cell. B) Spongy mesophyll. C) Tracheid. D) Companion cell. Show Answer Correct Answer: A) Guard cell. 6. The insides of the plant that stores food and water A) Ground. B) Meristematic. C) Vascular. D) Dermal. Show Answer Correct Answer: A) Ground. 7. Groups of similar cells that work together. A) Organism. B) Tissue. C) Cell. D) Organ system. E) Organ. Show Answer Correct Answer: B) Tissue. 8. The "powerhouse" . Releases energy from food. A) Nucleus. B) Chloroplast. C) Mitochondrion. D) Vacuole. Show Answer Correct Answer: C) Mitochondrion. 9. The tissue responsible for transporting materials around the plant A) Dermal. B) Vascular. C) Meristem. D) Ground. Show Answer Correct Answer: B) Vascular. 10. When cells have specific jobs to carry out and the work is divided, this is known as A) Importante. B) Star cell. C) Executive operation. D) Specialized. Show Answer Correct Answer: D) Specialized. 11. What is the function of the dermal tissue? A) Storage nutrients. B) Protect from water loss and invaders. C) Photosynthesis. D) Transport nutrients to the plant. Show Answer Correct Answer: B) Protect from water loss and invaders. 12. All living things are made of ..... A) Chloroplasts. B) Tissues. C) Organs. D) Cells. Show Answer Correct Answer: D) Cells. 13. What is the primary function of xylem tissue inside a vascular plant? A) Absorbing nitrogen from the soil. B) Producing seeds for new plants. C) Absorbing solar energy. D) Distributing water and minerals. Show Answer Correct Answer: D) Distributing water and minerals. 14. Meristems at the tip of roots and shoots A) Lateral. B) Apical. C) Ploem. D) None of above. Show Answer Correct Answer: B) Apical. 15. Tiny cell parts (little organs) A) Vacuoles. B) Cytoplasm. C) Lysosome. D) Organelles. Show Answer Correct Answer: D) Organelles. 16. Which of the following correctly identifies an adaption of desert plants to prevent overheating during high temperatures in the day? A) Many intercellualr air spaces between mesophyll cells. B) Large shiny leaves with many stomates. C) Thick waxy cuticle. D) Thin epidermis with stomates on the upper surface. Show Answer Correct Answer: C) Thick waxy cuticle. 17. Which organelle belongs in plant cells only? A) Cytoplasm. B) Mitochondrion. C) Cell Wall. D) Nucleus. Show Answer Correct Answer: C) Cell Wall. 18. Some plants that grow on the shady floor of the rainforest have large leaves. This helps them to A) Attract different bugs. B) Stay safe from predators. C) Survive harsh winters. D) Take in as much sunlight as possible. Show Answer Correct Answer: D) Take in as much sunlight as possible. 19. "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. 20. 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. 21. Plant tissue culture is a practice used to propagate plants under sterile conditions, often to produce ..... of a plant. A) Chromosome. B) Bacteria. C) DNA. D) Cloning. Show Answer Correct Answer: D) Cloning. 22. Which of the following tissues has a very thick secondary walls, usually filled with an organic substance? A) Parenchyma tissue. B) Sclerenchyma tissue. C) Collechyma tissue. D) Permanent tissue. Show Answer Correct Answer: B) Sclerenchyma tissue. 23. Water & soluble nutrients move through the plant in A) Palisade mesophyll layer. B) The xylem cells. C) The phloem cells. D) The root hair cells. Show Answer Correct Answer: B) The xylem cells. 24. 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. 25. Which part of the plant is where pollination occurs? A) Stems. B) Leaves. C) Flowers. D) Roots. Show Answer Correct Answer: C) Flowers. 26. Xylem and Phloem are both ..... A) Absorption. B) Photosynthesis. C) Transpiration. D) Vascular tissue. Show Answer Correct Answer: D) Vascular tissue. 27. 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. 28. What process do plants go through to create glucose A) Light Reaction. B) Calvin Cycle. C) Cellular Respiration. D) Photosynthesis. Show Answer Correct Answer: D) Photosynthesis. 29. Sugar and the products of photosynthesis move through the plant in A) The root hair cells. B) The phloem cells. C) Palisade mesophyll layer. D) The xylem cells. Show Answer Correct Answer: B) The phloem cells. 30. Which organelle is known as the POWERHOUSE of the cell? A) Lysosomes. B) Vacuole. C) Mitochondria. D) Cell membrane. Show Answer Correct Answer: C) Mitochondria. ← 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