Here, you will get Class 11 Biology MCQ of Chapter 13 Photosynthesis In Higher Plants for cracking NEET/AIIMS. By solving these MCQs of Class 11 Biology Chapter 13 Photosynthesis In Higher Plants, you will get the confidence to crack NEET. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams.
Photosynthesis in Higher Plants Class 11 MCQs Questions with Answers
The end product of the Calvin cycle is
(a) RuBP
(b) PGAL
(c) PGA
(d) ADP + NADP
Answer: (a) RuBP
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
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
During photochemical reaction of photosynthesis
(a) liberation of O2 takes place
(b) Formation of ATP and NADPH2 take place
(c) Liberation of O2, formation of ATP, and NADPH2 takes place
(d) Assimilation of CO2 takes place
Answer: (c) Liberation of O2, formation of ATP, and NADPH2 takes place
Structurally, chlorophyll a and b are different as
(a) Chl a has a methyl group and Chl b has an aldehyde group
(b) Chl a has an aldehyde group and Chl b has a methyl group
(c) Chl a has an ethyl group and Chl b has an aldehyde group
(d) Chl a has a carboxyl group and Chl b has an aldehyde group
Answer: (a) Chl a has a methyl group and Chl b has an aldehyde group
The concentration of CO2 in the atmosphere is approximately
(a) 0.003%
(b) 0.03%
(c) 0.30 %
(d) 3.00 %
Answer: (b) 0.03%
How many turns of Calvin cycle yield one molecule of glucose?
(a) Eight
(b) Two
(c) Six
(d) Four
Answer: (c) Six
Which enzyme is most abundantly found on earth?
(a) Catalase
(b) Rubisco
(c) Nitrogenase
(d) Invertase
Answer: (b) Rubisco
Respiration and photosynthesis both require
(a) Green cells
(b) Sunlights
(c) Cytochromes
(d) Organic fuel
Answer: (c) Cytochromes
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 above
Answer: (b) the rate of dark reaction
The law of limiting factor was given by
(a) Calvin
(b) Blackman
(c) Priestley
(d) None of these
Answer: (b) Blackman
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
In actively gro – wing 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
Fixation of one CO2 molecule through Calvin cycle requires
(a) 1 ATP and 2NADPH2
(b) 2ATP and 2NADPH2
(c) 3ATP and 2NADPH2
(d) 2ATP and 1NADPH2
Answer: (c) 3ATP and 2NADPH2
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: (a) 400-700
Where are thylakoids and grana located?
(a) Lysosomes
(b) Mitochondria
(c) Chloroplasts
(d) Golgi apparatus
Answer: (c) Chloroplasts
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
During synthesis of a glucose molecule, ATP and NADPH consumed are respectively
(a) 12 and 8
(b) 18 and 12
(c) 15 and 12
(d) 30 and 20
Answer: (b) 18 and 12
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: (d) Ability to multiply by a fission-like process
Which of the following is a 4-carbon compound?
(a) Oxaloacetic acid
(b) Phosphoglyceric acid
(c) Ribulose biphosphate
(d) Phosphoenolpyruvate
Answer: (a) Oxaloacetic acid
Water stress causes
(a) opening of stomata
(b) increase in metabolic rate
(c) wilting of leaves
(d) lesser availability of carbon dioxide
Answer: (c) wilting of leaves
Photosynthesis is an oxidation reduction process, the materials that is oxidised is
(a) CO2
(b) NADP
(c) H2O
(d) PGA
Answer: (c) H2O
ADP + iP = ATP in grana is called
(a) Phosphorylation
(b) Oxidative phosphorylation
(c) Photophosphorylation
(d) Photolysis
Answer: (c) Photophosphorylation
Translocation of sugar in flowering plants occurs in the form of
(a) glucose
(b) sucrose
(c) starch
(d) maltose
Answer: (b) sucrose
Kranz anatomy is a feature of
(a) C3 plants
(b) CAM plants
(c) C4 plants
(d) All of these
Answer: (c) C4 plants
Light reactions of photosynthesis occurs in
(a) stroma
(b) thylakoid
(c) grana
(d) cytoplasm of cell
Answer: (c) grana
Photosynthesis is most active in
(a) Sun light
(b) Yellow light
(c) Red light
(d) Green light
Answer: (c) Red light
The specific characteristic of C4-plants is
(a) bulliform cells
(b) isobilateral leaf
(c) kranz anatomy
(d) parallel veins configuration
Answer: (c) kranz anatomy
Which one of the following is represented by Calvin cycle?
(a) Reductive carboxylation
(b) Oxidative carboxylation
(c) Photophosphorylation
(d) Oxidative phosphorylation
Answer: (a) Reductive carboxylation
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: (a) Two distinct photosystems
Which of the following is not an accessory pigment?
(a) Carotene
(b) Chlorophyll a
(c) Chlorophyll b
(d) Xanthophyll
Answer: (b) Chlorophyll a
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
Chlorophyll ‘a’ molecule at its carbon atom 3 of the Pyrrole ring II has one of the following:
(a) methyl group
(b) aldehyde group
(c) carboxyl group
(d) magnesium
Answer: (a) methyl group
Algae and other submerged plants bount in water during day time and sink at night, because
(a) They come upto enjoy some time
(b) They lose weight at night
(c) They become bouyant due to accumulation of O2 as a result of photosynthesis
(d) They become light due to food material accumulation
Answer: (c) They become bouyant due to accumulation of O2 as a result of photosynthesis
Which one occurs both during cyclic and noncyclic modes of photophosphorylation?
(a) Involvement of both PS I and PS II
(b) Formation of ATP
(c) Release of O2
(d) Formation of NADPH
Answer: (b) Formation of ATP
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