More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?

Related Mcqs:

1. Tobacco mosaic virus is__________?

   A. Spherical
   B. Rod Shaped
   C. Tadpole like
   D. Hexagonal

2. There are _________ stomata per square cm of leaf surface in Tobacco plants?

   A. 1200
   B. 12000
   C. 100,000
   D. 1000

3. Tobacco mosaic virus was crystallized by__________?

   A. Pasteur
   B. Chamberland
   C. Stanely
   D. Ivanowski

   Submitted by: Maryam Aftab

4. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

   A. An organ
   B. A molecule
   C. Tissue
   D. Both a and c

5. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?

   A. An organ
   B. A molecule
   C. Tissue
   D. Both a and c

6. Which one is the basic element of organic compounds _________________?

   A. Oxygen
   B. Hydrogen
   C. Sulphur
   D. Carbon

7. The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________?

   A. Chemistry
   B. Biochemistry
   C. Molocular biology
   D. Both a and b

8. Which of the statement is not true for compounds like glycoprotein and glycolipids____________?

   A. They are conjugated molecules of carbohydrates
   B. Both have role in the extra cellular matrix of animals and bacterial cell wall
   C. They are components of biological membranes.
   D. Both are produced and secreted by endoplasmic reticulum

9. Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.

   A. Organic
   B. Energy rich
   C. Energy poor
   D. Reduced

10. ___________ respiration is directly involved in the production of energy, necessary for all living activities?

    A. Organismic
    B. Cellular
    C. Both of these
    D. None of these