- Glycosidic linkage at place of branching in starch and
glycogen is
(a) a – 1 → 6 (b) a – 1 → 4
(c) b – 1 → 4 (d) b – 1 → 6. - Quaternary structure is present in
(a) haemoglobin (b) fibrin
(c) myosin (d) elastin. - Water content in human body is
(a) 70% (b) 7 – 10%
(c) 20 – 30% (d) 30 – 40%. - Inulin is used in assessing GFR (Glomerular Filtration Rate)
because
(a) it is a polysaccharide of high molecular weight
(b) it is insoluble and stored in roots
(c) it is a polysaccharide of low molecular weight and
remain unutilised in human body
(d) it is a low molecular weight compound, which do not
interfere in the functioning of kidney. - A nucleotide has three components
(a) a nitrogenous base, a hexose sugar and a phosphate
group
(b) a nitrogenous base, a pentose sugar and a phosphate
group
(c) a nitrogenous base, a pentose sugar and a bisphosphate
group
(d) a nitrogenous base, a pentose sugar and a triphosphate
group. - Match column I with column II and select the correct option
from the codes given below.
Column - I Column - II
A. Collagen (i) Sensory reception
B. Trypsin (ii) Hormone
C. Insulin (iii) Fights infectious agents
Biomolecules
D. Antibody (iv) Intercellular ground
substance
E. Receptor (v) Enzyme
(vi) Enables glucose
transport into cells
(a) A - (iv), B -(v), C- (ii), D - (iii),E - (i)
(b) A - (v), B - (iii),C - (ii), D - (i), E - (iv)
(c) A - (iii), B - (v), C - (ii), D - (iv),E - (vi)
(d) A - (i), B - (iv),C - (iii),D - (ii), E - (vi)- The curve given below shows enzymatic activity with
relation to three conditions (pH, temperature and substrate
concentration).
What do the two axis (X and Y) represent?
Y -axisX-axisX–axis Y–axis
(a) Temperature – Enzyme activity
(b) Substrate concentration – Enzymatic activity
(c) Enzymatic activity – Temperature
(d) Enzymatic activity – pH- Cellulose, the most important constituent of plant cell wall
is made up of
(a) branched chain of glucose molecules linked by a a, 1,
6 glycosidic bond at the site of branching
(b) unbranched chain of glucose molecules linked by a, 1,
4 glycosidic bond
(c) branched chain of glucose molecules linked by b, 1, 4
glycosidic bond in straight chain and a, 1, 6 glycosidic
bond at the site of branching