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Monotremes are unique mammals because they

  • lay eggs
  • secret milk in a pouch
  • give birth to live young
  • posses hair

Answer: Option A

Similar Questions :

1. Who invented Polio Vaccine ?

  • Harrison and Sympson
  • Johan E. Salk
  • Luvenhauk - Leeuwenhock
  • Karl Landsteiner

Answer: Option B

Explanation:

Harrison and Sympson invented chloroform,

Luvenhauk - Leeuwenhock invented Bacteria,

Karl Landsteiner invented Blood Transfer.

2. The deficiency of which of the following leads to dental caries ?

  • Iron
  • Fluorine
  • Copper
  • Zinc

Answer: Option B

3. Which of the following tests helps in diagnosis of cancer ?

  • Urine test
  • Neuro Test
  • Blood test
  • Biopsy test

Answer: Option D

4. Which is not a type of protein ?

  • Simple Protein
  • Complex Protein
  • Conjugated Protein
  • Derived Protein

Answer: Option B

Explanation:

On the basis of chemical composition, proteins are of three types :
Simple Protein,
Conjugated Protein,
Derived Protein.

5. Plants developing in dry conditions are ?

  • lithophytes
  • xerophytes
  • mesophytes
  • hydrophytes

Answer: Option B

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