Photosynthesis in Higher plants Class 11 questions focuses on the anatomy of the photosynthetic hardware and the different responses that change light energy into chemical energy. Let us discuss about some important Photosynthesis in Higher Plants MCQs and Answers.
Photosynthesis in Higher plants Class 11 questions and answers pdf Download
1 Respiration and photosynthesis both require
(A) Green cells
(B) Sunlights
(C) Cytochromes
(D) Organic fuel
Answer: Cytochromes
2 Photosynthetically active radiation (PAR) represents which of the following range of wavelength?
(A) 340-450 nm
(B) 400-700 nm
(C) 450-950 nm
(D) 500-600 nm
Answer:400-700 nm
3 In plants during the process of photosynthesis
(A)
CO2 is taken in
(B)
O2 is taken in
(C)
CO2 is taken out
(D)
O2 is taken in and CO2 is given out
Answer: CO2 is taken in
4 Which range of wavelength (in nm) is called photosynthetically active radiation (PAR)?
(A) 400-700
(B) 760-10,000
(C) 100-390
(D) 390-430
Answer: 400-700
5 Which one of the following statements about cytochrome P-450 is wrong?
(A) It is a colored cell
(B) It is an enzyme involved in oxidation reaction
(C) It has an important role in metabolism
(D) It contains iron
Answer: It is a colored cell
6 Discovery of Emerson effect has already shown the existence of :
(A) Two distinct photosystems
(B) Light and dark reactions of photosynthesis
(C) Photophosphorylation
(D) Photorespiration
Answer:Two distinct photosystems
7 The concentration of CO2 in the atmosphere is approximately
(A) 0.003%
(B) 0.03%
(C) 0.30%
(D) 3.00%
Answer: 0.03%
8 What is common between chloroplasts, chromoplasts and leucoplasts?
(A) Storage of starch, proteins and lipids
(B) Possession of thylakoids and grana
(C) Presence of pigments
(D) Ability to multiply by a fission-like process
Answer:Ability to multiply by a fission-like process