Photosynthesis In Plants Test

Photosynthesis In Plants

This is Photosynthesis In Plants Test-03 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Each photosystem has all the pigments forming light harvesting systemalso called as
  • A
    Z-scheme
  • B
    Cytochromes
  • C
    Reaction centre
  • D
    Antennae
    Correct
2
Carotenes protect plants from
  • A
    Photorespiration
  • B
    Photosynthesis
  • C
    Desiccation
  • D
    Photo-oxidation
    Correct
3
The excitation of electrons,finally down-hill to \(NAD{P^ + }\) causing it tobe reduced to \(NADP{H_2}^ + \) is
  • A
    Z scheme
    Correct
  • B
    Redox potential
  • C
    ATP
  • D
    Cytochromes
4
The photosystem II has reaction centre 680nm absorbs
  • A
    Blue light
  • B
    Green light
  • C
    Violet light
  • D
    Red light
    Correct
5
Electrons from excited chlorophyll molecules of photosystem II to photosystem I transferred and finally
  • A
    ATP to NADH
  • B
    PGA to NAD
  • C
    NADH to NAD
  • D
    NAD to NADH
    Correct
6
Which of the following stages of calvin cycle are in correct order?
  • A
    Regeneration,reduction,carboxylation
  • B
    Regeneration,carboxylation, reduction
  • C
    Carboxylation, reduction, regeneration
    Correct
  • D
    Carboxylation,regeneration,reduction
7
Electrons from exited chlorophyll molecules of photosystem II are accepted first by
  • A
    Quinone
    Correct
  • B
    Ferredoxin
  • C
    Cytochromef
  • D
    Cytochrome b
8
On excitation, the electrons picked up by an electron acceptor is passed to
  • A
    cytochromes
    Correct
  • B
    reaction centre
  • C
    anntenae
  • D
    photons
9
How many ATP and \(NADP{H_2}\) is required for fixing one molecule of \(C{O_2}\) in Calvin cycle?
  • A
    2ATP+3NADPH
  • B
    2ATP+1NADPH
  • C
    1ATP+2NADPH
  • D
    3ATP+2NADPH
    Correct
10
Light reaction otherwise called as
  • A
    Biosynthetic phase
  • B
    Photochemical phase
    Correct
  • C
    Carboxylation
  • D
    Regeneration
11
Chloroplast stroma contains
  • A
    Light dependent reaction enzyme
  • B
    Ribosomes
  • C
    Light independent reaction enzyme
    Correct
  • D
    Chlorophyll
12
Carbon dioxide is fixed in
  • A
    Dark reaction
    Correct
  • B
    Anaerobic respiration
  • C
    Aerobic respiration
  • D
    Light reaction
13
Scientist awarded noble prize in 1960 for tracing the path of carbon is
  • A
    Huber
  • B
    Blackmann
  • C
    Calvin
    Correct
  • D
    Hatch
14
Photorespiration in \({C_3}\) plants begins from
  • A
    Glycerate
  • B
    Glycine
  • C
    Phosphoglycolate
    Correct
  • D
    Phosphoglycerate
15
\({C_3}\) plants respond to higher \(C{O_2}\) concentration leads to
  • A
    Poor yield
  • B
    Death of plant
  • C
    Lower productivity
  • D
    Higher productivity
    Correct