NEET UG Botany MCQ-101

Question No:1

The molecular weight of bio macromolecules found in acid soluble pool ranges between

(A) 14 to 18 Da (Daltons)
(B) 18 to 200 Da
(C) 18 to 800 Da
(D) 200 to 400 Da

Question No:2

The molecular weight of organic compounds found in acid insoluble is

(A) one thousand Dalton
(B) ten thousand Dalton
(C) more than ten thousand Daltons
(D) less than ten thousand Daltons

Question No:3

The function of GLUT-4 is

(A) It promotes glucose transport
(B) It protects the body from infectious agents
(C) It acts as an enzyme
(D) None of the above

Question No:4

Most abundant protein in the whole biosphere is

(A) Collagen
(B) Myosin
(C) RUBISCO
(D) Actin

Question No:5

Reducing sugars are characterised by the presence of free

(A) Aldehyde or Keto group
(B) Aldehyde and Keto group
(C) Keto grouponly
(D) All the above

Question No:6

Glucose is

(A) Furanose, pentose sugar
(B) Pyranose, pentose sugar
(C) Ketose, hexose sugar
(D) Aldose, hexose sugar

Question No:7

Inulin is a polymer of

(A) Ribulose
(B) Glucose
(C) Fructose
(D) Ribose

Question No:8

Which of the following plysaccharide is a component of paper ?

(A) Glycogen
(B) Hemicellulose
(C) Cellulose
(D) Pectin

Question No:9

Organic acids having a hydrocarbon chain and a carboxylic group are called

(A) amino acids
(B) Fatty acids
(C) Nucleic acids
(D) Vitamins

Question No:10

Which of the following polysaccharide gives blue colour with Iodine

(A) Glycogen
(B) starch
(C) Cellulose
(D) Chitin

Question No:11

Exoskeleton of arthropods contains a complex hetero polysaccharide called

(A) Pectin
(B) Chitin
(C) Cellulose
(D) Starch

Question No:12

Type of sugar found in Ribonucleic acid is

(A) Ribose sugar
(B) Deoxyribose sugar
(C) Erythrose sugar
(D) None of the above

Question No:13

Nucleotide consists of

(A) N2 base only
(B) N 2 base + sugar
(C) N 2 base + sugar+ phosphate
(D) Sugar + Phosphate

Question No:14

Find the odd “Nitrogen base”

(A) Thymine
(B) Cytosine
(C) Uracil
(D) Adenine

Question No:15

Ribose sugar differs from deoxy ribose sugar

(A) by the absence of OH group at “2C” atom
(B) by the presence of H atom at ” 2C” atom
(C) by the presence of OH group at “2C” atom
(D) None of these

Question No:16

Type of bonds seen in primary structure of proteins

(A) Amide bonds
(B) Hydrogen bonds
(C) Bisulphide bridges
(D) All the above

Question No:17

In a polypeptide chain “N” terminal amino acid is always written towards

(A) Left side
(B) Right side
(C) In the middle
(D) All the above

Question No:18

The following level of structure of protein gives 3D view of the protein

(A) Primary structure
(B) Teritary structure
(C) Secondary structure
(D) None of the above

Question No:19

Which of the following level of protein structure is necessary to impart it biological activities?

(A) Primary structure
(B) Teritary structure
(C) Secondary structure
(D) None of the above

Question No:20

The total number of polypeptide chains seen in hemoglobin is

(A) 4
(B) 2
(C) 6
(D) 1