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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The mechanism of stomatal movement is related to the branch of Biology called__________?
A. Taxonomy
B. Physiology
C. Morphology
D. Anatomy
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The one which is present in all living things is ___________?
A. Cell nucleus
B. Dna or rna
C. Cell membrane
D. Vacuole
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The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called___________?
A. Specific heat of vaporization
B. Specific heat capacity
C. Caloric heat
D. Both a and c
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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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Carbon atom is_____________?
A. Monovalent
B. Divalent
C. Trivalent
D. Tetravalent
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Which one is an organic compound_____________?
A. Co2
B. Water
C. Lipids
D. Hci
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Which chemical component has the greatest contribution in the total mammalian cell weight__________?
A. Proteins
B. Carbohydrate
C. Lipids
D. Water
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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
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Which chemical component has the same % in bacterial as well as the mammalian cell_____________?
A. Water
B. Carbohydrate
C. Proteins
D. Lipids
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Word of the Day
23 Aug
Strained
showing signs of nervous tension or tiredness.
سوجن، بناوٹی

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