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Placenta is the structure formed :

  • by fusion of germ layers
  • by foetus only
  • by the union of foetal and uterine tissue
  • by uterine only

Answer: Option C

Similar Questions :

1. 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.

2. Diabetes is caused by lack of ?

  • Sugar
  • Calcium
  • Vitamin
  • Insulin

Answer: Option D

3. 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

4. Milk fever in cow is caused due to the deficiency of ?

  • Sodium
  • Calcium
  • Phosphorus
  • Nitrogen

Answer: Option B

5. Which among the following hormone can be used as a drug to treat cardiac arrest ?

  • Thyroxin
  • Calcitonin
  • Epinephrine
  • Insulin

Answer: Option C

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