This quiz works best with JavaScript enabled. Home > Plant Cell Structure > Ultra Structure Of Plant Cells And Organs – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ultra Structure Of Plant Cells And Organs Quiz 13 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Plants need ....., animals need ..... to live A) Carbon dioxide, Carbon dioxide. B) Oxygen, Carbon dioxide. C) Oxygen, Oxygen. D) Carbon dioxide, Oxygen. Show Answer Correct Answer: D) Carbon dioxide, Oxygen. 2. Water exits the leaf through the ..... A) Stomata. B) Flower. C) Roots. D) Phloem. Show Answer Correct Answer: A) Stomata. 3. Where does water enter the plant? A) Leaves. B) Flowers. C) Stems. D) Roots. Show Answer Correct Answer: D) Roots. 4. Animal cell can be found in A) Animal only. B) Animal and human. C) Plant only. D) All organisms. Show Answer Correct Answer: B) Animal and human. 5. The Mesophyll of the leaf is made up of these two layers A) Palisade and spongy. B) Xylem and phloem. C) Cuticle and epidermis. D) None of above. Show Answer Correct Answer: A) Palisade and spongy. 6. In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as ..... A) A tissue. B) An organ. C) An organ system. D) An organism. Show Answer Correct Answer: C) An organ system. 7. Which is an example of a single celled organism? A) Amoeba. B) Fungi. C) Chlorella. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Which cell does not have a cytoplasm at maturity A) Guard cells. B) Xylem. C) Sieve tube cells. D) Companion cells. Show Answer Correct Answer: B) Xylem. 9. Root hairs anchor plants and help them absorb water and minerals by A) Lengthening the tips of roots. B) Increasing the root's surface area. C) Producing more xylem and phloem. D) Protecting the growing part of the root. Show Answer Correct Answer: B) Increasing the root's surface area. 10. When given only a small source of light, plants will grow toward the light source in a response called phototropism. Which of the following statements is true regarding phototropism? A) It is caused by an electrical signal. B) Phototropism is enhanced by removing the stomata. C) A growth increase on one side of the stem is caused by the plant hormone auxin. D) A growth decrease occurs on the side of the stem facing the light caused by the plant hormone auxin. Show Answer Correct Answer: C) A growth increase on one side of the stem is caused by the plant hormone auxin. 11. Which two plant cell structures work together, like security guards, for the cell? A) Cytoplasm and nucleus. B) Nucleus and oxygen. C) Cell membrane and cell wall. D) Oxygen and cell membrane. Show Answer Correct Answer: C) Cell membrane and cell wall. 12. Or more organs that work together. A) Cell. B) Tissue. C) Organ. D) Organ system. E) Organism. Show Answer Correct Answer: D) Organ system. 13. Cell theory states: A) All living cells must have a cell wall. B) All living cells require glucose for survival. C) The basic unit of life is a cell. D) All cells contain a nucleus. Show Answer Correct Answer: C) The basic unit of life is a cell. 14. Supporting cell type that makes up celery strands A) Sclerenchyma cells. B) Parenchyma cells. C) Collenchyma cells. D) None of above. Show Answer Correct Answer: C) Collenchyma cells. 15. The nuclei of meristematic cells are A) Small. B) Large. C) Medium sized. D) No nucleus. Show Answer Correct Answer: B) Large. 16. What is true in the given sentences A) Life in animals begin after exiting into the mothers womb as an egg. B) In plants the new plant is "born" by germinating from the seed. C) All of the choices. D) Life in animals begin after exiting into the mothers womb as a new born individual. Show Answer Correct Answer: C) All of the choices. 17. The tip of the root is called the ..... A) Root force. B) Root guard. C) Root shield. D) Root cap. Show Answer Correct Answer: D) Root cap. 18. Which organelle is the site for protein synthesis A) Chloroplast. B) Mitochondrion. C) Ribosomes. D) Vacuole. Show Answer Correct Answer: C) Ribosomes. 19. What is the term for the smallest unit of life? A) Cell. B) Tissue. C) Organ. D) Organ system. Show Answer Correct Answer: A) Cell. 20. Why do leaves need a large surface area? A) To absorb as much water as possible. B) To absorb as much sunlight as possible. C) To absorb as much food as possible. D) To absorb as much chlorophyll as possible. Show Answer Correct Answer: B) To absorb as much sunlight as possible. ← 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