Q.1
Light dependent changes in plant’s growth and development apart from photosynthesis is known as___________
  • a) Phytochrome
  • b) Dark reaction
  • c) Light reaction
  • d) Photomorphogenesis
Q.2
Name the red light sensitive system?
  • a) Phytochrome
  • b) Cryptochrome
  • c) Phototropin
  • d) Xanthophyll
Q.3
Name the pigment, which is responsible for red color light?
  • a) Chlorophyll
  • b) Bilirubin
  • c) Chromophore
  • d) Xanthophyll
Q.4
Which of the following does NOT belongs to the phytochrome gene family?
  • a) PHY B
  • b) PHY B
  • c) PHY C
  • d) PHY F
Q.5
Name the blue light photoreceptor of the plant?
  • a) Photochrome
  • b) Cryptochrome
  • c) Phototropin
  • d) Vernalin
Q.6
Which of the following is NOT the function of cytochromes?
  • a) Inhibition of stem elongation
  • b) Stimulation of leaf expansion
  • c) Seed germination
  • d) Regulation of floral initiation
Q.7
CRY 1 and CRY 2 are the nuclear protein of cryptochromes.
  • a) True
  • b) False
Q.8
Which of the following has a major role in the regulation of chloroplast movement?
  • a) Phototropin
  • b) Photoperiodism
  • c) Cryptochrome
  • d) Calcium
Q.9
Name the term which defines the ability of the plants to measure the length of photoperiods?
  • a) Phototropin
  • b) Photoperiodism
  • c) Cryptochrome
  • d) Gravitropism
Q.10
Which of the following is NOT the long day plant?
  • a) Spring barley
  • b) Wheat
  • c) Spinach
  • d) Soybean
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