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1009 available questions

Biology · Question 381

The glycerol is a carbon compound:

  1. Three
  2. Four
  3. Five
  4. Six
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Correct answer: A

Three

Biology · Question 382

Gibberellins may be subsitituted for which color of light, therefore promote flowering in lon day plants?

  1. Red
  2. Blue
  3. Green
  4. White
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Correct answer: A

Red

Biology · Question 383

An enzyme which requires a biological change in order to become active is called?

  1. transferase
  2. zymogen
  3. hydrogenase
  4. trypsin
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Correct answer: D

trypsin

Biology · Question 384

The statement “the membrane is like a sea of lipids in which proteins are floating represents:

  1. Gorter & Grendel Model
  2. J F Danielle & Davison Mode
  3. Robertson Model
  4. 5 J Singer and Nicholson Mode
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Correct answer: D

5 J Singer and Nicholson Mode

Biology · Question 385

Carotenoid Perform protective function in which of the following organism?

  1. Animal
  2. Plants
  3. Both
  4. none of these
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Correct answer: C

Both

Biology · Question 386

The part of chlorplast where CO2 is fixed to manufacture sugar is?

  1. stroma
  2. brana
  3. thylakioid
  4. Outer membrane of chloroplast
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Correct answer: A

stroma

Biology · Question 387

The type of neuron that carries nerve impulse from tissue and organ to the spinal cord and brain is:

  1. Sensory neuron
  2. Motor neuron
  3. Intermediate neuron
  4. Associative neuron
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Correct answer: D

Associative neuron

Biology · Question 388

The four types of fundamental biological molecules present in protoplasm are carbohydrates, proteins, lipids and

  1. Enzymes
  2. Hormones
  3. Nucleic acids
  4. Alkaloids
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Correct answer: C

Nucleic acids

Biology · Question 389

What percentage of water is found in brain cells?

  1. 70
  2. 80
  3. 85
  4. 90
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Correct answer: C

85

Biology · Question 390

Coelom that develops form the archenteron as outpouching is?

  1. Pseudocoelom
  2. Schizocoelon
  3. Enterocoelom
  4. Both a and b
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Correct answer: C

Enterocoelom