Free Biomolecules (Daily Quiz: 5) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Lactose is composed of

(a) fructose + galactose

(b) glucose + galactose

(c) glucose + fructose

(d) glucose + glucose.

Question-2

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by

(a) base-sugar-OH

(b) base-sugar-phosphate

(c) $(base-sugar-phosphate)_n$

(d) sugar-phosphate.

Question-3

Which of the following is the simplest amino acid?

(a) Asparagine

(b) Alanine

(c) Glycine

(d) Tyrosine

Question-4

The Km value of the enzyme is the value of the substrate concentration at which the reaction reaches to

(a) 2 Vmax

(b) Zero

(c) $1/2$ Vmax

(d) $1/4$ Vmax

Question-5

Carbohydrates, the most abundant biomolecule on earth, are produced by

(a) fungi, algae and green plant cells.

(b) some bacteria, algae and green plant cells.

(c) all bacteria, fungi and algae.

(d) viruses, fungi and bacteria.