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Question-1
Hair is made up of the protein:
(A)
Keratin
(B)
Globin
(C)
Thyroxine
(D)
Fibroin
Question-2
Select the correct statement.
(A)
Heat and temperature are forms of energy.
(B)
Heat is a kind of energy where as temperature is a measure of kinetic energy.
(C)
Both are kinetic movement but in different units.
(D)
Heat is the kinetic movement and temperature is a kind of energy
Question-3
Which statement is NOT true about glyceraldehyde?
(A)
It has the chemical formula C
3
H
6
O
3.
(B)
It is a trisaccharide.
(C)
It is an intermediate of respiration and photosynthesis.
(D)
It is a carbohydrate.
Question-4
Which is NOT a feature of glucose?
(A)
Respiratory substrate
(B)
Our blood sugar
(C)
Disaccharide
(D)
Monomer molecules of the polymer, starch and cellulose
Question-5
A particular length of DNA specifying the amino acid sequence for one polypeptide is called as a:
(A)
Genetic code
(B)
Codon
(C)
Sense strand
(D)
Gene
Question-6
The uneven distribution of charge on the molecule is referred to as:
(A)
Bipolar group
(B)
Dipole
(C)
Unipole
(D)
Multipole
Question-7
Select the false statement.
(A)
Alpha glucose has an -OH group at carbon 1
(B)
Beta glucose has an -OH group at carbon 1
(C)
Alpha glucose has an -OH group down
(D)
Alpha glucose has -OH group up
Question-8
Amino acids are amphoteric because they have:
(A)
Only acidic property
(B)
Only basic property
(C)
Both acidic and basic property
(D)
No acidic or basic properties
Question-9
Density of water is maximum at:
(A)
4000
o
C
(B)
400
o
C
(C)
40
o
C
(D)
4
o
C
Question-10
The density of water is:
(A)
Less than the density of aquatic organisms body fluid
(B)
Greater than the density of aquatic organisms body fluid
(C)
Same as the density of aquatic organisms body fluid
(D)
Change with the location of the water body.
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Cambridge Advanced Grade 11
IGCSE
Practice in Related Chapters
The Molecules of Life
Regulations and Control
DNA and Protein Synthesis
Enzymes
Genetics
Cell
Cell Division
Photosynthesis And Plant Nutrition
Animal Nutrition
Reproduction in Animals
Ecology
Heterotrophic Nutrition
Gas Exchange
Evolution
Transport in Mammals
Transport in Plants
Respiration
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