Photosynthesis MCQ pdf download

These Photosynthesis MCQ pdf download 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 MCQ pdf Download

1 In which of the following process, the light energy is converted into chemical energy
(A) Digestive action
(B) Respiration
(C) Photosynthesis
(D) Fermentation

2 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:3ATP and 2NADPH2
3 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: They become bouyant due to accumulation of O2 as a result of photosynthesis
4 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:Chl a has a methyl group and Chl b has an aldehyde group
5 Chlorophyll in chloroplasts is located in
(A) Grana
(B) Pyrenoid
(C) Stroma
(D) Both grana and stroma

Answer: Grana
6 Photosynthesis is most active in
(A) Sun light
(B) Yellow light
(C) Red light
(D) Green light

Answer: Red light
7 The specific characteristic of C4-plants is:
(A) bulliform cells
(B) isobilateral leaf
(C) kranz anatomy
(D) parallel veins configuration

Answer: kranz anatomy
8 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

Answer:It absorbs CO2
9 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: Formation of ATP
10 It is only the green part of the plant, which takes part in
(A) Respiration
(B) Transpiration
(C) Photosynthesis
(D) Osmosis

Answer: Photosynthesis

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Class 11 Biology Questions and AnswersClass 12 Biology Questions and Answers
Chapter 1: The Living WorldChapter 1: Reproduction in Organisms
Chapter 2: Biological ClassificationChapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Plant KingdomChapter 3: Human Reproduction
Chapter 4: Animal KingdomChapter 4: Reproductive Health
Chapter 5: Morphology of Flowering PlantsChapter 5: Principles of Inheritance and Variation
Chapter 6: Anatomy of Flowering PlantsChapter 6: Molecular Basis of Inheritance
Chapter 7: Structural Organisation in AnimalsChapter 7: Evolution
Chapter 8: Cell The Unit of LifeChapter 8: Human Health and Disease
Chapter 9: BiomoleculesChapter 9: Strategies for Enhancement in Food Production
Chapter 10: Cell Cycle and Cell DivisionChapter 10: Microbes in Human Welfare
Chapter 11: Transport in PlantsChapter 11: Biotechnology:Principles And Processes
Chapter 12: Mineral NutritionChapter 12: Biotechnology and its Applications
Chapter 13: Photosynthesis in Higher PlantsChapter 13: Organisms and Populations
Chapter 14: Respiration in PlantsChapter 14: Ecosystem
Chapter 15: Plant Growth and DevelopmentChapter 15: Biodiversity and Conservation
Chapter 16: Digestion and AbsorptionChapter 16: Environmental Issues
Chapter 17: Breathing and Exchange of Gases 
Chapter 18: Body Fluids and Circulation 
Chapter 19: Excretory Products and their Elimination 
Chapter 20: Locomotion and Movement 
Chapter 21: Neural Control and Coordination 
Chapter 22: Chemical Coordination and Integration