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What is movement of cell against concentration gradient is called

  • osmosis
  • active transport
  • diffusion
  • passive transport

Answer: Option B

Similar Questions :

1. With which deficiency Xerophthalmia is caused ?

  • Vitamin A
  • Vitamin B
  • Vitamin C
  • Vitamin D

Answer: Option A

2. What is Myopia ?

  • Colour blindness
  • Night blindness
  • Long sightedness
  • Short sightedness

Answer: Option D

3. Who invented Vitamin ?

  • F.G. Hopkins
  • Mc. Collum
  • Holst
  • Ronald Ross

Answer: Option A

Explanation:

Mc. Collum invented Vitamin A, Vitamin B and Vitamin D

Holst invented Vitamin C

Ronald Ross invented Malaria parasite and treatment.

4. Oxygen in our blood is transported by ?

  • Keratin
  • Collagen
  • Myoglobin
  • Haemoglobin

Answer: Option D

5. What would happen if human blood becomes acidic ?

  • Oxygen-carrying capacity of haemoglobin is increase
  • Oxygen-carrying capacity of haemoglobin is decrease
  • Will remain same
  • Will be unpredictable

Answer: Option B

Explanation:

human blood becomes acidic means low pH

Read more from - Biology Questions Answers
Post a comment

  • Hasindu Lanka 8 years ago

    Wow it was the whole quistion and the answer of my science Olympiad exam

    mastguru 8 years ago replied

    Glad to know that Hasindu !

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