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MEDIUM
ENGLISH
Biology
An insulin molecule consists of _________ polypeptide chains?
A
1
Option A
B
2
Option B
C
3
Option C
D
4
Option D
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MEDIUM
ENGLISH
Biology
The windpipe or trachea lies?
A
Dorsal to oesophagus
Option A
B
Ventral to oesophagus
Option B
C
Lateral to oesophagus
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
A
Phosphodiester linkage
Option A
B
Glycosidic bond
Option B
C
Peptide bond
Option C
D
Hydrogen bond
Option D
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MEDIUM
ENGLISH
Biology
Total number of amino acids in a hemoglobin molecule are__________?
A
554
Option A
B
564
Option B
C
574
Option C
D
584
Option D
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MEDIUM
ENGLISH
Biology
Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
A
Primary structure
Option A
B
Secondary structure
Option B
C
Tertiary structure
Option C
D
Quaternary structure
Option D
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MEDIUM
ENGLISH
Biology
Locomotory structures are not found in which of the following group?
A
Amoebas
Option A
B
Zooflagellates
Option B
C
Ciliates
Option C
D
Apicomplexans
Option D
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MEDIUM
ENGLISH
Biology
Hemoglobin molecule exhibits which structural organization of proteins___________?
A
Primary structure
Option A
B
Secondary structure
Option B
C
Tertiary structure
Option C
D
Quaternary structure
Option D
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MEDIUM
ENGLISH
Biology
In an aqueous environment the most stable tertiary conformation is that in which _________ amino acids are buried inside the conformation?
A
Hydrophobic
Option A
B
Hydrophilic
Option B
C
Basic
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Which of the following statement is incorrect about RNA_________________?
A
The pentose sugar in it is Ribose.
Option A
B
It contains Adenine Guanine Thymine and Cytosine
Option B
C
It is present in the nucleoli
Option C
D
It may be folded back on itself to give double helical characteristics.
Option D
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MEDIUM
ENGLISH
Biology
Protein coasts of viruses are synthesized in____________?
A
Lytic cycle
Option A
B
Lysogenic cycle
Option B
C
Both a & b
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Each turn of DNA contain ____________ nitrogenous base pairs?
A
5
Option A
B
10
Option B
C
20
Option C
D
25
Option D
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MEDIUM
ENGLISH
Biology
Membranes of the grane are sites where?
A
Oxygen is stored
Option A
B
Food is stored
Option B
C
Sunlight is trapped
Option C
D
CO2 is stored.
Option D
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MEDIUM
ENGLISH
Biology
Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
A
Globular proteins
Option A
B
Fibrous Proteins
Option B
C
Both a and b
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
The simplest of oxygen producting photosynthetic organisms are____________?
A
Algae
Option A
B
Bacteria
Option B
C
Cyanobacteria
Option C
D
Chlamydomonas
Option D
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MEDIUM
ENGLISH
Biology
Amphoixus is a__________?
A
Chordate
Option A
B
Protochordate
Option B
C
Lower chordate
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Which structural organization is most common in globular proteins____________?
A
Primary
Option A
B
Secondary
Option B
C
Tertiary
Option C
D
Quaternary
Option D
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MEDIUM
ENGLISH
Biology
Which of the following does not show quaternary structure____________?
A
Haemoglobin
Option A
B
Pepsin
Option B
C
Fibrin
Option C
D
Insulin
Option D
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MEDIUM
ENGLISH
Biology
Which of the following occurs in anaerobic respiration but not in aerobic respiration?
A
Release of CO2
Option A
B
Reduction of NAD
Option B
C
Formation of ATP
Option C
D
Production of ethanol from acetaldehyde
Option D
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MEDIUM
ENGLISH
Biology
helical structure is kept by the formation of _________ bonds among amino acids molecules?
A
H bonds
Option A
B
Disulphide Bond
Option B
C
Ionic bond
Option C
D
Hydrophobic bonds
Option D
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MEDIUM
ENGLISH
Biology
Which of the following are triploblastic and acoelomate?
A
Sponges
Option A
B
Annelida
Option B
C
Platyhelminthes
Option C
D
Aves
Option D
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