161. Triglycerides are the building clocks of?
(a) Protein
(b) Lipids
(b) Carbohydrates
(d) Vitamins
162. Sugars are polyhydroxy derivative of?
(a) Alkhyl halides
(b) Ketone
(b) Aldehyde
(d) Aldehyde and ketone
163. Peptide linkage is present in?
(a) Carbohydrates
(b) Proteins
(c) Lipids
(d) Vitamins
164. Plants convert glucose into?
(a) Amino acid
(b) Proteins
(b) Lipids
(d) Starch
165. All are present in DNA except?
(a) Deoxyribose sugar
(b) Nitrogen base
(b) Ribose sugar
(d) Phosphate unit
166. Each vitamin play an important role in?
(a) Healthy development
(b) Both of these
(b) Body growth
(d) None of these
167. Vitamin Cis necessary for the formation of?
(a) Blood
(b) Protection against illness
(b) Immune system improvement
(d) all of these
168. Ozone is present in?
(a) Mesosphere
(b) Strátosphere
(c) Thermosphere
(d) Troposphere
169. All are air pollutions EXCEPT?
(a) No2
(b) N2
(c) SO2
(d) SOD4
170. Which one of the following is responsible for global warming?
(a) Increase in concentration of N2
(b) Increase of concentration of CO2
(c) Increase of concentration of O2
(d) Increase of concentration of O3
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