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Topic:
Biological Molecules
Question:
The two chains of DNA are held together by what type of bomds?
Options:
- Ionic bonds
- Covalent bonds
- Disulphide bonds
- Hydrogen bonds
Correct Option:
Hydrogen bonds
Explanation:
Two chains of DNA are held together by weak hydrogen bonds.
Topic:
Digestion
Question:
Which component of bile imparts green color to it?
Options:
- Digestive Enzymes
- Cholesterol
- Bile pigments
- Bile salts
Correct Option:
Bile pigments
Explanation:
Green color is because of bile pigments which are formed from the breakdown of hemoglobin in liver forming bilivirdin i.e green in color.
Topic:
Immunity
Question:
Snake bite is treated with which type of immunization?
Options:
- Active
- Passive
- Humoral
- Specific
Correct Option:
Passive
Explanation:
Snake bite is treated by passive immunity. Antibodies are introduced directly in the body. When antibodies are introduced directly in human body is called passive immunity.