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#Question id: 30054


The fourth heart sound is produced by:

#Unit 7. System Physiology – Animal
  1. Closure of the aortic and pulmonary valves
  2. Vibrations in the ventricular wall during systole
  3. Due to ventricular filling
  4. Closure of the mitral and tricuspid valves

Answer:- Option(s): 3


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#Question id: 10398

#Unit 6. System Physiology – Plant

Which of the following phytochromes shows very few responses due to their highly regulated transcriptional and translational level?

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#Question id: 10399

#Unit 6. System Physiology – Plant

Which type of the response shown by mutant phyA?

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#Question id: 10400

#Unit 6. System Physiology – Plant

phyB mutant has shown___

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#Question id: 10401

#Unit 6. System Physiology – Plant

Chloroplast movements in some plants is maintained by fused molecules of phytochrome and phototropin is known as

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#Question id: 10402

#Unit 6. System Physiology – Plant

Photomorphogenic responses of phytochrome inhibited by

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#Question id: 10403

#Unit 6. System Physiology – Plant

PIFs regulate various aspects of phytochrome-mediated photomorphogenesis, which of the following is incorrect?

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