This quiz works best with JavaScript enabled. Home > Agriculture > Plant Biology > Studies > Plant Biology – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Biology Quiz 35 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ultimate source of energy for all living organisms is A) Plants. B) Atmosphere. C) Earth. D) Sun. Show Answer Correct Answer: D) Sun. 2. The stem of this plant can become a new plant. A) Potato. B) Sugarcane. C) Ginger. D) All of theses. Show Answer Correct Answer: D) All of theses. 3. A waxy or fatty and watertight layer on the outside of leaves and stems; prevents the cells from drying out in arid environments A) Cuticle. B) Thigmotropism. C) Stomata (stoma). D) None of above. Show Answer Correct Answer: A) Cuticle. 4. What does ground tissue produce and store? A) Epidermis. B) Lignin. C) Sugars. D) Fats. Show Answer Correct Answer: C) Sugars. 5. What layer of a leaf protects against water lose? A) Lower epidermis. B) Waxy cuticle. C) Palisade mesophyll. D) None of above. Show Answer Correct Answer: B) Waxy cuticle. 6. In the story 'Jack and the beanstalk', Jack grew a beanstalk that grew way into the clouds. If I wanted to try and grow one myself, which plant hormone would I give my beanstalk? A) Cytokinesis. B) Ethylene. C) Auxins. D) Gibberellins. Show Answer Correct Answer: D) Gibberellins. 7. Seeds that are planted upside down are still able to grow into mature plants. Which explanation best explains this phenomenon? A) The roots change into branches, and the branches turn into roots. B) The roots grow toward the force of gravity, and the shoots grow away. C) The plant will become a smaller version of a mature plant. D) Roots always grow toward the dark, and shoots grow toward the light. Show Answer Correct Answer: B) The roots grow toward the force of gravity, and the shoots grow away. 8. What is the functions of a stem? A) Absorbs water and nutrients. B) Produces pollen. C) Transports water and nutrients. D) None of above. Show Answer Correct Answer: C) Transports water and nutrients. 9. What purpose do roots serve? A) To conduct photosynthesis. B) To conduct WaterTo absorb water. C) To store nutrients. D) To grow. Show Answer Correct Answer: B) To conduct WaterTo absorb water. 10. What are the two types of Apical Meristem? * A) RAM & SAM. B) RAM ONLY. C) SAM ONLY. D) None of the above. Show Answer Correct Answer: A) RAM & SAM. 11. What causes hydrostatic pressure to build up within the phloem tissues close to the mesophyl cells A) Entry of water from xylem vessels. B) Entry of sucrose from the companion cells. C) Exit of water from sieve tube elements. D) Entry of water from the mesophyl cells. Show Answer Correct Answer: A) Entry of water from xylem vessels. 12. Conifers have several adaptive features to reduce water loss. Which one of the following is incorrect? A) Producing pollen grains. B) Thick cuticle. C) Sunken stomata. D) Needle like leaves. Show Answer Correct Answer: A) Producing pollen grains. 13. Which of the following do mosses and ferns use to reproduce? A) Pollen. B) Seeds. C) Spores. D) None of above. Show Answer Correct Answer: C) Spores. 14. Which part of the aphid will reach into which structure in the plant? A) Tail piect; pith. B) Stylet; xylem. C) Tail piece; phloem. D) Stylet; phloem. Show Answer Correct Answer: D) Stylet; phloem. 15. In humans, one function of the skin is to prevent water loss. Skin releases water or holds in water when necessary.Which two structures in plants have a similar function to skin? A) Roots and chloroplasts. B) Phloem and roots. C) Cuticle and stomata. D) Stomata and phloem. Show Answer Correct Answer: C) Cuticle and stomata. 16. A ripened ovary that contains angiosperm seeds is called a (n) A) Seed. B) Embryo. C) Vegetable. D) Fruit. Show Answer Correct Answer: D) Fruit. 17. PLANTS THAT DEPEND ON OTHER PLANTS FOR FOOD AND WATER. A) INSECTIVOROUS PLANTS. B) PARASITIC PLANTS. C) SAPHROPHYTES. D) SYMBIOSIS. Show Answer Correct Answer: B) PARASITIC PLANTS. 18. IF WE OBSERVE A LEAF, WE WILL SEE THE NETWORK OF ..... A) XYLEM TUBES. B) LEAF VEINS. C) STOMATA. D) PHLOEM TUBES. Show Answer Correct Answer: B) LEAF VEINS. 19. An angiosperm with two cot yledons is called a A) Diploid. B) Monocot. C) Haploid. D) Dicot. Show Answer Correct Answer: D) Dicot. 20. Mosses are examples of ..... plants. A) Non-seed, vascular. B) Non-seed, nonvascular. C) Seed, nonvascular. D) Seed, vascular. Show Answer Correct Answer: B) Non-seed, nonvascular. 21. Where do Date Palms often grow? A) Rocky Mountains. B) Mojave Desert. C) Baja California. D) Oasis. Show Answer Correct Answer: D) Oasis. 22. After fertilisation, the ovary grows into a ..... A) Seed. B) Fruit. C) Endosperm. D) None of above. Show Answer Correct Answer: B) Fruit. 23. Why is a high concentration of auxin used in micropropagation? A) To stimulate development of roots and shoots. B) To prevent dormancy. C) To stimulate cell division. D) To prevent dehydration. Show Answer Correct Answer: C) To stimulate cell division. 24. PLANTS NEED THE FOLLOWING RAW MATERIALS FOR PHOTOSYNTHESIS A) CARBON DIOXIDE AND WATER. B) CARBON DIOXIDE AND OXYGEN. C) WATER AND OXYGEN. D) WATER AND NITROGEN. Show Answer Correct Answer: A) CARBON DIOXIDE AND WATER. 25. Plant absorbs water through the ..... A) Stem. B) Roots. C) Leaves. D) All of the above. Show Answer Correct Answer: B) Roots. 26. If you plant potatoes by cutting up a potato and putting the pieces in the ground, what will be true about the DNA in the plants you get? ? ? ? ? ? ? ? A) The DNA will be the same. B) The DNA does not exist. C) The DNA will be different. D) The DNA will disapppear. Show Answer Correct Answer: A) The DNA will be the same. 27. Plants that lack tissues to move water and food A) Nonvascular plant. B) Gravitropism. C) Carpel. D) None of above. Show Answer Correct Answer: A) Nonvascular plant. 28. What causes a plant to wilt? A) Negative homeostasis. B) Excessive humidity. C) Response to gravity. D) Lack of turgor pressure. Show Answer Correct Answer: D) Lack of turgor pressure. 29. Deciduous trees, such as those that lose their leaves in autumn, are a result due to the subjection of which type of plant hormone? A) Ethylene. B) Ethylene gas. C) Auxins. D) Gibberellins. Show Answer Correct Answer: C) Auxins. 30. The components that are necessary for our body are called ( ) A) Vitamins. B) Pulses. C) Nutrients. D) Minerals. Show Answer Correct Answer: C) Nutrients. ← 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