161. Addition of new cell wall particles amongst the existing ones is

A deposition
B apposition
C intussusception
D aggregation
Answer :   intussusception
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162. Centre of metabolic reaction in cell is called

A Protoplasm
B Nucleoplasm
C Hyaloplasm
D Trophoplasm
Answer :   Protoplasm
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163. Endocytosis includes

A Phagicytosis
B Pinocytosis
C A and B both
D None of the above
Answer :   A and B both
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164. A single stranded DNA is present in

A TMV
B Salmonella
C Colphage Φ × 174
D Bacteria
Answer :   Colphage Φ × 174
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165. Trace element is

A Fe
B Zn
C Na
D Mg
Answer :   Zn
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166. DNA differs from RNA in

A Only Sugar
B Nitrogen base only
C Nitrogen base and sugar
D None of the above
Answer :   Nitrogen base and sugar
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167. Mitochondria supply most of the necessary biological energy through

A Breaking down sugars
B Reducing NADP
C Oxidising Substeates of TCA cycle
D Breaking down proteins
Answer :   Oxidising Substeates of TCA cycle
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168. Highest arm ratio occur in which chromosome

A Telocentric
B Metacentric
C Submetacentric
D Acrocentric
Answer :   Acrocentric
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169. Bond present between two carbohydrate molecules is

A Glycosidic
B Hydrogen bond
C Phosphodiester
D Amide
Answer :   Glycosidic
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170. Non essential amino acids are synthesized in the human body during

A Protein catabolism
B Protein anabolism
C A and B both
D None of the above
Answer :   A and B both
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