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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
Question:- Due to which reaction PGA is changed into phosphoglyceraldehyde in photosynthesis process? A. Oxidation B. Reduction C. Electrolysis D. Hydrolysis
Answer:- B
Question:- What will be the ratio of oxygen produced to that of consumed in daylight hours when the rate of respiration is less than that of photosynthesis? A. 1: 1 B. 10: 1 C. 50: 1 D. 5: 1
Answer:- B
Question:- In Photosynthesis process, how many molecules of NADPH and ATP are required to reduce six molecules of carbon dioxide to glucose? A. 3 ATP and 2 NADPH B. 6 ATP and 6 NADPH C. 12 ATP and 18 NADPH D. 18 ATP and 12 NADPH
Answer:- D
Question:- Mention the internal factors that influence photosynthesis? A. Size, position and structure of stomata B. Maintenance of the turgidity of the leaf cells C. Relative proportion and distribution of chloroplasts in the mesophyll D. All of the above
Answer:- D
Question:- Name the external factors that affect photosynthesis process? A. Light Intensity B. Carbon dioxide concentration C. Temperature D. All of the above
Answer:- D
Question:- Which of the following statements is/are correct related to Dark Reaction: I. The process involves fixation and reduction of carbon dioxide in the stroma of the chloroplast. II. Light is necessary for the reaction. III. It is also known as Calvin Cycle. Options are: A. Both I and II are correct B. Both II and III are correct C. Both I and III are correct D. All I, II and III are correct
Answer:- C
Question:- What do you understand by NADP? A. It is an enzyme B. It is a co-enzyme C. A part of s-RNA D. A part of t-RNA
Answer:- C
Question:- Which of the following statements is/are correct about Light Reaction: I. In this reaction light energy is absorbed by chlorophyll pigments and converted into chemical energy. II. Energy is stored in the form of ATP III. NADPH2 is generated Options are: A. Both I and II are correct B. Both I and III are correct’ C. Only II is correct D. All I, II and III are correct
Answer:- D
Question:- Photosynthesis is : A. An Oxidation-Reduction reaction B. Synthesis reaction C. Organic reaction D. Replacement reaction
Answer:- A
Question:- Which one of the following waves are used by the common TV remote control? A.Radio waves B.Lasers C.Infrared waves D.Ultrasonic waves
Answer:- C
Question:- Given bellow are the psychological manifestations of noise pollution. (i)Constriction of blood vessels (ii)Increase in the rate of heart beat (iii)Digestive spasms (iv)Dilation of pupil of the eye Select the correct options A.(i) and (ii) are correct B.(i) and (iii) are correct C.(ii) and (iv) are correct D.(i), (ii), (iii) and (iv) are correct
Answer:- D