Samacheer Kalvi Class 11 Bio Botany Biomolecules Questions - 1

Question: 1

Insulin is a polymer of _____

(A) Fructose

(B) Glucose

(C) Maltose

(D) Sucrose

Question: 2

Which is an anticoagulant?

(A) Agar

(B) Keratan sulphate

(C) Inulin

(D) Heparin

Question: 3

Which of the following does not contain a cell wall?

(A) Mycoplasma

(B) Algae

(C) Bacteria

(D) Fungi

Question: 4

Which RNA is also called as soluble RNA?

(A) tRNA

(B) rRNA

(C) ssRNA

(D) mRNA

Question: 5

Shape to the ribosomes is provided by

(A) rRNA

(B) mRNA

(C) tRNA

(D) DNA

Question: 6

RNA is ______

(A) Double-stranded and stable

(B) Double-stranded and unstable

(C) Single-stranded and stable

(D) Single-stranded and unstable

Question: 7

The first clear crystallographic evidence for helical structure of DNA was produced by

(A) Rosalind Franklin

(B) Maurice Wilkins

(C) Chargaff

(D) Francis Crick

Question: 8

______ is also called as animal starch.

(A) Amylose

(B) Glucose

(C) Glycerol

(D) Glycogen

Question: 9

The percentage of water in the total cellular mass is

(A) 50%

(B) 60%

(C) 70%

(D) 80%

Question: 10

Specific proteins responsible for the flow of materials and information into the cell are called ______

(A) Carrier proteins

(B) Integral proteins

(C) Membrane receptors

(D) None of these