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Biology MCQ

Photosynthesis · ICSE STD 10 (ICSE - English Medium). 11 questions.

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11 questions · timed · auto-graded

MCQ 11 Mark
The process of photosynthesis occurs by _________
  • A
    carbon dioxide and water
  • B
    carbon dioxide, chlorophyll and water
  • C
    water, chlorophyll, sunlight
  • ✓
    water, carbon dioxide, chlorophyll and sunlight
Answer
Correct option: D.
water, carbon dioxide, chlorophyll and sunlight
The process of photosynthesis occurs by water, carbon dioxide, chlorophyll and sunlight
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MCQ 21 Mark
Which of the following gas is used in photosynthesis?
  • A
    Oxygen
  • B
    Hydrogen
  • C
    Nitrogen
  • ✓
    Carbon dioxide
Answer
Correct option: D.
Carbon dioxide
Carbon dioxide
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MCQ 31 Mark
Photosynthesis is more active in ___________
  • A
    green light
  • ✓
    red light
  • C
    Yellow light
  • D
    violet light
Answer
Correct option: B.
red light
Photosynthesis is more active in Red light
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MCQ 41 Mark
Light reaction takes place in ____________
  • ✓
    Grana
  • B
    stroma
  • C
    Chloroplast membrane
  • D
    endoplasmic reticulum
Answer
Correct option: A.
Grana
Light reaction takes place in Grana
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MCQ 51 Mark
A cell that lacks chloroplast does not ______________
  • A
    Evolve $CO _2$
  • ✓
    liberate $O _2$
  • C
    Require water
  • D
    utilize carbohydrates
Answer
Correct option: B.
liberate $O _2$
A cell that lacks chloroplast does not liberate $O _2$
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MCQ 61 Mark
Energy is transformed from the light reaction to the dark reaction by _______________
  • A
    Chlorophyll
  • ✓
    ADP
  • C
    ATP
  • D
    RuDP
Answer
Correct option: B.
ADP
Energy is transformed from the light reaction to the dark reaction by ADP
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MCQ 71 Mark
In a typical leaf, photosynthesis occurs mainly in ___________
  • A
    Cuticle
  • B
    epidermis
  • ✓
    Palisade mesophyll
  • D
    spongy Mesophyll
Answer
Correct option: C.
Palisade mesophyll
In a typical leaf, photosynthesis occurs mainly in Palisade mesophyll
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MCQ 81 Mark
The specific function of light energy in the process of photosynthesis is to
  • A
    reduce carbon dioxide
  • B
    synthesise glucose
  • ✓
    activate chlorophyll
  • D
    split water molecule
Answer
Correct option: C.
activate chlorophyll
activate chlorophyll
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MCQ 91 Mark
Which one of the following features of plant leaves plays an important part in photosynthesis?
  • A
    Thick cuticle
  • B
    Spongy mesophyll
  • ✓
    Chloroplasts
  • D
    Stomata
Answer
Correct option: C.
Chloroplasts
Chloroplasts
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MCQ 101 Mark
Which one of the following is the best reason for leaving a plant in a dark place before carrying out experiments on photosynthesis?
  • A
    To remove chlorophyll from the leaves.
  • B
    To increase the release of CO2 by the leaves.
  • C
    To remove starch from the leaves.
  • ✓
    To stop synthesis process in the leaves.
Answer
Correct option: D.
To stop synthesis process in the leaves.
To stop synthesis process in the leaves.
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MCQ 111 Mark
Complete the following statement by choosing the correct alternative given below : All animals would die on the earth if there was no ______.
  • ✓
    chlorophyll
  • B
    haemoglobin
  • C
    penicillin
  • D
    epidermis
Answer
Correct option: A.
chlorophyll
All animals would die on the earth if there was no Chlorophyll.
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