Biology - Mock Test 269

Question 2681

Which of the following carbohydrate is tasteless?

A) Monosaccharide B) Oligosaccharide C) Polysaccharide D) None of these

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Question 2682

Which one are most complex sugar?

A) Monosaccharides B) Oligosaccharides C) Polysaccharides D) None of these

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Question 2683

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

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Question 2684

Cn(H2O)n. is a general formula of?

A) Monosaccharides B) Oligosaccharides C) Ploysacharides D) Carbohydrates

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Question 2685

A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called?

A) Lipid B) Carbohydrate C) Protein D) Carotein

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Question 2686

Specific heat of vaporization of water is?

A) 574 Kcal/kg B) 674 Kcal/kg C) 774 Kcal/kg D) 874 Kcal/kg

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Question 2687

The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is?

A) High specific heat of vaporization B) High specific heat capacity C) Its Dipole nature D) Its liquid state

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Question 2688

The number of calories required to raise the temperature of 1g of water from 15 to 16?

A) Specific Heat of Vaporization B) Specific Heat capacity C) Caloric Heat D) Both A and C

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Question 2689

Which of the following substance is most favorable to form structural component of biological membranes?

A) Hydrophilic Carbohydrates B) Hydrophobic fats. C) Both a and b D) None of these

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Question 2690

Which statement is true about an aqueous medium?

A) Ionic as well as non ionic substance in aqueous media retains their identity. B) Enzymes can not perform catalysis reaction in this medium. C) Ions and molecules move randomly thus are in more favorable state to react with other molecules and ions. D) It is less favorable media for chemical reactions.

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