Photosynthesis in Higher Plants MCQ Class 11 Biology
Please refer to Chapter 13 Photosynthesis in Higher Plants MCQ Class 11 Biology with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Biology. Students should refer to MCQ Questions for Class 11 Biology with Answers to score more marks in Grade 11 Biology exams. Students should read the chapter Photosynthesis in Higher Plants and then attempt the following objective questions.
MCQ Questions Class 11 Biology Chapter 13 Photosynthesis in Higher Plants
The Photosynthesis in Higher Plants MCQ Class 11 Biology provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.
Question. 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
Question. The metabolic pathway which produces carbohydrate is
a) Calvin cycle
c) Cyclic electron pathway
d) Krebs cycle
Question. Discovery of Emerson effect has already shown the
a) two distinct photochemical reactions
b) light and dark reactions of photosynthesis
Question. 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
Question. Water stress causes
a) opening of stomata
b) increase in metabolic rate
c) wilting of leaves
d) lesser availability of carbon dioxide
Question. Which element is required for photolysis of water:
Question. Law of limiting factor was proposed by:
Question. The process of taking in CO2 by plants and releasing O2 is termed as
Question. Photosynthesis is an oxidation reduction process, the materials that is oxidised is
Question. 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
Question. In the half-leaf experiment of photosynthesis, KOH solution is used because
a) It provides O2 to the leaf.
b) It provides moisture to the leaf.
c) It helps in CO2 fixation.
d) It absorbs CO2
Question. 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
Question. ADP + iP = ATP in grana is called :–
b) Oxidative phosphorylation
Question. Photosynthesis occurs in :
d) Golgi body
Question. Kranz anatomy is found in the leaves of:
a) C3 Plants
b) C4 Plants
Question. During photosynthesis oxygen is evolved from :
Question. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because
a) there is effective pumping of CO2 into bundle sheath cells
b) Rubi’s CO in C4 plants has higher affinity for CO2
c) six carbon acids are the primary initial CO2 fixation products
d) the primary fixation of CO2 is mediated via PEP carboxylase.
Question. Non-cyclic photophosphorylation results in the formation of :
b) ATP and NADPH
b) Stroma lamellae
Question. The first acceptor of CO2 in C4 plants is :
a) Malic acid
b) Oxaloacetic acid
c) Phosphonyl pyruvate PEP)
d) Aspartic acid
Question. The first stable product of C3 cycle is :
Question. Which is the primary acceptor of CO2 in C3 plants:
Question. Photorespiration occurs in :
a) C4 plants
b) C3 plants
Question. Carbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is
a) calcium oxide
b) distilled water
c) potassium hydroxide solution
d) sodium carbonate.
Question. Rubisco enzyme in C4 plant is found in :
a) Mesophyll cell
d) Bundle Sheath cell
Question. In PS II the reaction centre is :
a) P 700
b) P 680
c) P 400
d) P 650
Question. Photosynthetically active radiation PAR) is represented by the range of wavelength of :
a) 350-450 nm
b) 400-700 nm
c) 500-600 nm
d) 450-950 nm
Question .Where does light reaction take place:
Question. Photorespiration shows formation of
a) sugar but not ATP
b) ATP but not sugar
c) both ATP and sugar
d) neither ATP nor sugar.
Question. Which of the following statements is correct?
a) Photorespiration is useful process.
b) C4 plants are more efficient than C3 plants.
c) C4 plants are less efficient than C3 plants.
d) Photorespiration is absent in C3 plants but present in C4 plants.
Question. The first stable product of Calvin cycle is
b) 1, 3 biphosphoglycerate
c) glyceraldehyde – 3 phosphate
d) ribulose – 5- phosphate
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