What makes a lemon sour?

Related Mcqs:

1. Which of the part of tongue bears cells for sour taste?

   A. Front
   B. Back
   C. Sides
   D. Middle

   Submitted by: Malik Asghar Hussain

2. Milk tastes sour when kept in the open for sometime due to the formation of __________?

   A. lactic acid
   B. citric acid
   C. acetic acid
   D. carbonic acid

   Submitted by: Abid Hussain

3. In thrombocytopenia condition, bone marrow makes?

   A. Too few platelets
   B. Normal platelets
   C. Too many platelets
   D. Does not effect

   Submitted by: ARIF HUSSAIN

4. In Essential thrombocythemia (ET) condition, bone marrow makes?

   A. Too few platelets
   B. Normal platelets
   C. Too many platelets
   D. Does not effect

   Submitted by: ARIF HUSSAIN

5. What makes dark matter invisible to telescope?

   A. Dark matter interacts with electromagnetic force for very short duration
   B. Dark matter does not interact with electrostatic force
   C. Dark matter does not interact with electromagnetic force
   D. None of the above

   Submitted by: Muhammad Abdullah

6. Second ionization energy:

   A. is always less than first ionization energy
   B. is always greater than first ionization energy
   C. is equal to the first ionization energy
   D. may be greater or less than the first ionization energy depending on the nature of the element

   Submitted by: Mansoor Ul Haque

7. Air Conditioning Controls:___________?

   A. Circulation of the Air
   B. Humidity
   C. Temperature
   D. All of The Above

   Submitted by: Muhammad Ullah

8. When did Amnesty International won the Noble Prize:

   A. 1917
   B. 1967
   C. 1977
   D. 1987

   Submitted by: Sami Khan

9. Vegetable crop with rectangular seed is?

   A. Carrot
   B. Onion
   C. Turnip
   D. Cucumber

   Submitted by: Mansoor Ahmed Suhag

10. Which of the following gland has  shape of butterfly?

    A. Thyroid gland
    B. Pituitary gland
    C. Adrenal gland
    D. Pineal gland

    Submitted by: Munwar Ali Sohu