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Question:- Name an organism that contains a single chromosome and cell division occurs through fission or budding? a) Eukaryotes b) Prokaryotes c) Bacteria d) Primitive organism
Answer:- Ans. b) Explanation: Prokaryotes contain a single chromosome and cell division occurs through fission or budding. The usual method of prokaryote cell division is termed binary fission. The prokaryotic chromosome is a single DNA molecule that first replicates, then attaches each copy to a different part of the cell membrane.
Question:- Name the process in which the membrane of a vesicle can fuse with the plasma membrane and extrude its contents to the surrounding medium? a) Exocytosis b) Endocytosis c) Osmosis d) Diffusion
Answer:- Ans. a) Explanation: Exocytosis is the process in which the membrane of a vesicle can fuse with the plasma membrane and extrude its contents to the surrounding medium.
Question:- The jelly-like substance present inside the cell is known as: a) Cytoplasm b) Ectoplasm c) Nucleoplasm d) None of the above
Answer:- Ans. a) Explanation: Cytoplasm is the jelly-like substance present inside the cell and contains other organelles. It is a thick solution that fills each cell and is enclosed by the cell membrane.
Question:- Blue-green Algae are: a) Prokaryotes b) Eukaryotes c) Both a) and b) d) Neither a) nor b)
Answer:- Ans. a) Explanation: Blue-green Algae or Cyanobacteria are Prokaryotes. They lack membrane-bound organelles and nuclei.
Question:- 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
Answer:- C
Question:- 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
Answer:- A
Question:- 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.
Answer:- D
Question:- Respiration in Plants takes place through: A. Stomata B. Lenticels C. Both A and B D. Only A
Answer:- C
Question:- Respiration in Plants takes place through: A. Stomata B. Lenticels C. Both A and B D. Only A
Answer:- C
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