Characteristic odour of garlic is due to?

Related Mcqs:

1. The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?

   A. Selective absorption of light
   B. Selective re ection of light
   C. Sinterference of light
   D. Natural colour pattern of feathers

2. The yellow colour in photochemical smog is due to the presence of____________?

   A. Sulphur dioxide
   B. Carbon dioxide
   C. Nitrogen dioxide
   D. CFC’s

   Submitted by: Palestine

3. In an oil lamp, the oil rises up in the wick due to?

   A. Capillary action
   B. Atmospheric pressure
   C. Viscosity of oil
   D. Change in temperature

   Submitted by: Ashfaque Ali Khoso

4. The luster of diamond is due to_________?

   A. Reflection
   B. Total internal reflection
   C. Refraction
   D. None of these

   Submitted by: Afzal Chaudhry

5. The ability of the Eye to see in the dark, is due to the production of a purple pigment known as________?

   A. Carotene
   B. Rhodopsin
   C. Iodopsin
   D. Retinene

   Submitted by: Malik Asghar Hussain

6. Kidney disease happens due to overdose of?

   A. Vitamin A
   B. Vitamin B
   C. Vitamin C
   D. Proteins

   Submitted by: Mansoor Ahmed Suhag

7. The earth surface & crust constantly evolving due to ?

   A. Rotary cycle
   B. Normal cycle
   C. Rock cycle
   D. Change cycle

   Submitted by: Mansoor Ahmed Suhag

8. Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?

   A. Zeolites
   B. Sulphonides
   C. Lime
   D. Nitrates

   Submitted by: Rashid Mehmood

9. Soap and detergents remove the dirt from clothes due to__________?

   A. Osmosis
   B. Capillary action
   C. Lowering of interfacial tension
   D. Diffusion

   Submitted by: Muhammad Ali Kunbhar

10. Blood does not coagulate inside the body due to the presence of___________?

    A. Haemoglobin
    B. Fibrin
    C. Heparin
    D. Plasma

    Submitted by: Yaseen Nohri