Class 11 Biology MCQs Photosynthesis In Higher Plants for NEET

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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