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Question-1
A phospholipid molecule has:
(A)
2 hydrophilic ends
(B)
2 hydrophobic ends
(C)
One hydrophilic and 1 hydrophobic end
(D)
No hydrophobic and hydrophilic ends
Question-2
The sequence of nitrogen bases of which strand/strands determine the order of amino acids of a polypeptide chain?
(A)
Both strands
(B)
Sense strand
(C)
Nonsense strand
(D)
5' 3' strand
Question-3
Which releases more energy?
(A)
Steroids
(B)
Triglycerides
(C)
Carbohydrates
(D)
Proteins
Question-4
Select the fibrous proteins.
(A)
Fibroin & Insulin
(B)
Keratin & Collagen
(C)
Haemoglobin & Insulin
(D)
Enzymes & hormones
Question-5
Cellulose is not easy to digest as starch since:
(A)
Links between beta glucose is not easy to break
(B)
Links between alpha glucose is not easy to break
(C)
It is a protein
(D)
It is a lipid.
Question-6
Glucose is a:
(A)
Triose sugar
(B)
Tetrose sugar
(C)
Pentose sugar
(D)
Hexose sugar
Question-7
What is NOT true about glucose?
(A)
Main fuel of our body
(B)
Our blood sugar
(C)
Stored form of carbohydrate
(D)
Building blocks of larger carbohydrates
Question-8
Which protein is present in silk?
(A)
Fibrin
(B)
Collagen
(C)
Keratin
(D)
Fibroin
Question-9
A molecule similar to water without dipole and hydrogen bonding is:
(A)
CaCO
3
(B)
H
2
S
(C)
H
2
SO
4
(D)
DHO
3
Question-10
The specific heat capacity of water is:
(A)
4.2 x 10
3
K
-1o
C
-1
(B)
2.4 x 10
3
K
-1o
C
-1
(C)
1.5 x 10
3
K
-1o
C
-1
(D)
4 x 10
3
K
-1o
C
-1
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Cambridge Advanced Grade 12
IGCSE
Practice in Related Chapters
Transport in Plants
Regulations and Control
DNA and Protein Synthesis
The Molecules of Life
Photosynthesis and Plant Nutrition
Enzymes
Genetics
Cell
Cell Division
Ecology
Animal Nutrition
Reproduction in Animals
Gas Exchange
Evolution
Transport in Mammals
Respiration
Heterotrophic Nutrition
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