In This Post we are  providing Chapter-13 Photosynthesis in Higher Plants NCERT MCQ for Class 11 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON PHOTOSYNTHESIS IN HIGHER PLANTS

Question 1.
The rate of photosynthesis is controlled by
(a) the rate of light reaction
(b) the rate of dark reaction
(c) the rates of both light and dark reactions
(d) none of the aboveAnswer

Answer: (b) the rate of dark reaction

Question 2.
The end product of the Calvin cycle is ______.
(a) RuBP
(b) PGAL
(c) PGA
(d) ADP + NADP

Answer: (a) RuBP

Question 3.
The primary carbon dioxide acceptor in C4 cycle is
(a) malic acid
(b) phosphophenol pyruvate
(c) rubisco
(d) aspartic acid

Answer: (b) phosphophenol pyruvate
Solution :
The primary carbon dioxide acceptor in C4 pathway is phosphophenol pyruvate.

Question 4.
The law of limiting factor was given by
(a) Calvin
(b) Blackman
(c) Priestley
(d) None of these

Answer: (b) Blackman
Solution :
Law of limiting factor was given by Blackman in 1905.
If a chemical process is affected by more than one factor, then its rate will be determined by the factor which is nearest to its minimal value.

Question 5.
The metabolic pathway which produces carbohydrate is
(a) Calvin cycle
(b) Glycolysis
(c) Cyclic electron pathway
(d) Krebs cycle

Answer: (a) Calvin cycle

Question 6.
Manganese is required in
(a) Chlorophyll synthesis
(b) Nucleic acid synthesis
(c) Plant cell wall formation
(d) Photolysis of water during photosynthesis

Answer: (d) Photolysis of water during photosynthesis

Question 7.
Oxidative phosphorylation refers to
(a) Anaerobic production of ATP
(b) The citric acid cycle production of ATP
(c) Production of ATP by chemiosmosis
(d) Alcoholic fermentation

Answer: (c) Production of ATP by chemiosmosis

Question 8.
Which of the following is not an accessory pigment?
(a) Carotene
(b) Chlorophyll a
(c) Chlorophyll b
(d) Xanthophyll

Answer: (b) Chlorophyll a
Solution :
Chlorophyll a is a primary pigment.

Question 9.
Besides water and CO2, which is more essential a raw material for food formation
(a) light
(b) oxygen
(c) NAD
(d) mineral salt

Answer: (a) light

Question 10.
In actively growing young plants, the best data for estimating the rate of photosynthesis would be
(a) ratio of oxygen evolved to carbon dioxide absorbed
(b) increase in fresh weight
(c) increase in dry weight
(d) increase in carbohydrate

Answer: (a) ratio of oxygen evolved to carbon dioxide absorbed

Question 11.
Discovery of Emerson effect has already shown the
(a) two distinct photochemical reactions
(b) light and dark reactions of photosynthesis
(c) photophosphorylation
(d) photorespiration

Answer: (a) two distinct photochemical reactions

Question 12.
Translocation of sugar in flowering plants occurs in the form of
(a) glucose
(b) sucrose
(c) starch
(d) maltose

Answer: (b) sucrose

Question 13.
Where are thylakoids and grana located?
(a) Lysosomes
(b) Mitochondria
(c) Chloroplasts
(d) Golgi apparatus

Answer: (c) Chloroplasts

Question 14.
Who enunciated the law of limiting factor for photosynthesis?
(a) Robert Emerson
(b) Ruben
(c) Blackman
(d) Calvin

Answer: (c) Blackman

Question 15.
Which one of the following statement is true for ATP?
(a) ATP is prosthetic part of an enzyme
(b) ATP is an enzyme
(c) ATP is organic ions of enzyme
(d) ATP is a Co-enzyme

Answer: (d) ATP is a Co-enzyme

Discover more from EduGrown School

Subscribe to get the latest posts sent to your email.