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The complex feeding relationships within a community is called: A. Food chain B. Food web C. Trophic level D. All of the above
SEE ANSWER
B
Question:- What are heterotrophs, mostly bacteria and fungi, when obtain food by breaking down substances in dead protoplasm are called: A. Omnivores B. Herbivores C. Decomposers D. Carnivores
Answer:- C
Question:- What is the act of supplying water to a field through artificial means called? A. Irrigation B. Insecticide C. Fungicide D. Monoculture
Answer:- A
Question:- What is ploughing and cultivating the land called? A. Irrigation B. Domestication C. Tilling D. Weeding
Answer:- C
Question:- In photosynthesis dark reaction, is called so because- A. It occurs in dark. B. It does not require light energy. C. It cannot occur during daytime. D. It occurs more rapidly at night.
Answer:- B
Question:- Rate of photosynthesis does not depend upon: A. Quality of light B. Intensity of Light C. Duration of Light D. Temperature
Answer:- C
Question:- For photosynthesis green plants require: A. Chlorophyll only B. Light C. Carbon dioxide and water D. All of the above
Answer:- D
Question:- Photosynthesis is a _____ process. A. Catabolic B. Anabolic C. Exothermic D. Metabolic
Answer:- B
Question:- Name the pigment which is responsible for absorption of light in plants? A. Chlorophyll B. Stoma C. Xylem D. Phloem
Answer:- A
Question:- In bacteria name the colour of light which is responsible for photosynthesis? A. Ultra-Violet B. Blue C. Red D. None of the above
Answer:- C
Question:- Quantasomes are found in: A. Cristae of mitochondria B. Thylakoid membrane of chloroplasts C. Nucleus membrane D. Lysosome
Answer:- B
Question:- Name the metal present in chlorophyll ‘a’ and ‘b’? A. Iron B. Copper C. Magnesium D. Manganese
Answer:- C
Question:- Name the structural unit of photosynthesis? A. Thylakoid B. Grana C. Stroma D. Chlorophyll
Answer:- A
Question:- Which of the following statements are true regarding Photosystems? A. Photosystems are arrangements of chlorophyll and other pigments packed into thylakoids. B. Many Prokaryotes have only one photosystem. C. Both A and B are correct. D. Only A is correct.
Answer:- C
Question:- What is the first step in photosynthesis: A. Generation of ATP B. Formation of NADPH C. Through light, excitement of an electron of chlorophyll pigment. D. Formation of Glucose
Answer:- C
