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Question:- Consider the following statements: A. Respiration takes place both day and night. B. Photosynthesis occurs during day time only. C. Both A and B are correct. D. Neither A nor B are correct.
Answer:- C
Question:- Some plants store waste in their fruits in the form of solid bodies called: HOME GENERAL KNOWLEDGE GENERAL KNOWLEDGE QUIZ GK Questions & Answers on Science: Biology-Respiration and Excretion in Plants GK Questions with Answers on Science: Biology on Respiration and Excretion in Plants consists the repository of 10 MCQ and give you practice to understand the concept how Plants respire and excrete which will be helpful in solving some questions for various examinations like IAS, PSC, SSC, NDA, Railway etc. jagran josh SHIKHA GOYAL UPDATED: JUN 18, 2016 12:36 IST jagran josh GK Questions with Answers on Science: Biology on Respiration and Excretion in Plants consists the repository of 10 MCQ and give you practice to understand the concept how Plants respire and excrete which will be helpful in solving some questions for various examinations like IAS, PSC, SSC, NDA, Railway etc. 1. Which of the following statements are correct regarding respiration in plants? I. Respiration is the process of releasing energy from food. II. Respiration takes place individually in all parts of the plants like stem, roots, leaves etc. III. The rate of respiration is slow in plants whereas it is faster in humans and animals. Select the correct answer from the codes given below: A. I and III are correct B. I and II are correct C. I, II and III are correct D. None of the above Ans. C 2. Name the process through which much needed oxygen is supplied to all the cells of the plants? A. Diffusion B. Endosmosis C. Exosmosis D. Photosynthesis Ans. A 3. Due to Water logging: A. An air is expelled from in-between the particles of soil. B. Oxygen becomes unavailable to the roots of the plants. C. Plants respire anaerobically which produces alcohol and kill them. D. All the above are correct. Ans. D 4. Respiration in Plants takes place through: A. Stomata B. Lenticels C. Both A and B D. Only A Ans. C 5. Consider the following statements: A. Respiration takes place both day and night. B. Photosynthesis occurs during day time only. C. Both A and B are correct. D. Neither A nor B are correct. Ans. C 6. Some plants store waste in their fruits in the form of solid bodies called: A. Raphides B. Lenticels C. Stomata D. Resins
Answer:- A
Question:- Various methods used by plants to get rid of their waste products are: I. Gaseous waste through stomata and lenticels. II. Stored solid and liquid waste by shedding leaves, peeling of bark and falling of fruits. III. By secreting waste in the form of gum and resins. Which of the following statements is/are correct? A. I and II are correct. B. II and III are correct. C. I and III are correct. D. I, II and III are correct.
Answer:- D
Question:- Name the waste products secreted by Plants? A. Carbon Dioxide B. Oxygen C. Water Vapour D. All are correct.
Answer:- D
Question:- Which of the following statements is/are correct? I. The net gaseous exchange in leaves at night is, oxygen diffuses in and carbon dioxide diffuses out. II. Net gaseous exchange during day time is, oxygen diffuses out and carbon dioxide diffuses in. Select the correct answer from the codes given below: A. Only I is correct. B. Only II is correct C. Both I and II are correct. D. Neither I nor II is correct.
Answer:- C
Question:- Name an extension of the epidermal cells of a root which is in direct contact with the soil? A. Root Hairs B. Internodes C. Bundle Scars D. Pith
Answer:- A
Question:- What is the process of intake of nutrients by an organism as well as the utilisation of these nutrients by the organisms called? A. Nutrition B. Photosynthesis C. Chloroplasts D. Digestion
Answer:- A
Question:- The mode of nutrition in which an organism makes its own food from the simple inorganic material like carbon dioxide and water present in the surrounding is called: A. Heterotrophic nutrition B. Saprotrophic nutrition C. Autotrophic nutrition D. Holozoic nutrition
Answer:- C
Question:- What is the mode of nutrition called in which organisms cannot make its own food from simple inorganic material and depends on other organisms for its food? A. Autotrophic nutrition B. Heterotrophic nutrition C. Parasitic nutrition D. Holozoic nutrition
Answer:- B
Question:- When an organism obtains its food from decaying organic matter of dead plants, dead animals and rotten bread, etc., it is called: A. Parasitic nutrition B. Autotrophic nutrition C. Holozoic nutrition D. Saprotrophic nutrition
Answer:- D
Question:- The nutrition in which an organism derives its food from the body of another living organism without killing it, it’s called: A. Saprotrophic nutrition B. Parasitic nutrition C. Holozoic nutrition D. Autotrophic nutrition
Answer:- B
Question:- The nutrition in which an organism takes the complex organic food materials into its body by the process of ingestion, the ingested food is digested and then absorbed into the body cells of the organism: A. Parasitic nutrition B. Autotrophic nutrition C. Holozoic nutrition D. Heterotrophic nutrition
Answer:- C
Question:- The process by which green plants make their own food from carbon dioxide and water by using sunlight energy in the presence of chlorophyll, is called: A. Xanthophylls B. Stomata C. Photosynthesis D. Chloroplast
Answer:- C
Question:- Animals which eat only plants are called: A. Herbivores B. Omnivores C. Carnivores D. None of the above
Answer:- A