Everyday Science Mcqs » Biology
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

The one which is present in all living things is ___________?

A. Cell nucleus
B. Dna or rna
C. Cell membrane
D. Vacuole

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

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

Which of the following carbohydrate is tasteless___________?

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

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

Specific heat of vaporization of water is_______________?

A. 574 kcal/kg
B. 674 kcal/kg
C. 774 kcal/kg
D. 874 kcal/kg