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MEDIUM
ENGLISH
Biology
Of the following, which one is better respiratory medium___________?
A
Air
Option A
B
Water
Option B
C
Soil
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.
A
10 ml
Option A
B
20 ml
Option B
C
30 ml
Option C
D
40 ml
Option D
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MEDIUM
ENGLISH
Biology
Oxygen contents per liter of air is____________?
A
10 ml
Option A
B
100 ml
Option B
C
200 ml
Option C
D
100ml
Option D
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MEDIUM
ENGLISH
Biology
Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.
A
10 mm
Option A
B
60 mm
Option B
C
10 cm
Option C
D
100 mm
Option D
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MEDIUM
ENGLISH
Biology
Water is _________ times viscous than air?
A
50
Option A
B
1000
Option B
C
5000
Option C
D
8000
Option D
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MEDIUM
ENGLISH
Biology
Important factors which affect the capacity of haemoglobin to combine with oxygen is
A
Temperature
Option A
B
Carbon dioxide
Option B
C
pH
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
There are _________ stomata per square cm of leaf surface in Tobacco plants?
A
1200
Option A
B
12000
Option B
C
100,000
Option C
D
1000
Option D
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MEDIUM
ENGLISH
Biology
The air spaces may comprise upto _________ of total volume of leaf surface?
A
30%
Option A
B
20%
Option B
C
40%
Option C
D
50%
Option D
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MEDIUM
ENGLISH
Biology
The glycolate produced diffuses into the membrane bounded organelles called____________?
A
Glyoxisomes
Option A
B
Peroxisomes
Option B
C
Lysosomes
Option C
D
Mitochondria
Option D
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MEDIUM
ENGLISH
Biology
The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
A
plus ve
Option A
B
– ve
Option B
C
No
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Mosses are included in sub-division of ___________?
A
Anthoceropsida
Option A
B
Hepaticopsida
Option B
C
Bryopsida
Option C
D
Lycopsida
Option D
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MEDIUM
ENGLISH
Biology
The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?
A
Overtopping
Option A
B
Fusion
Option B
C
Webbing
Option C
D
Planation
Option D
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MEDIUM
ENGLISH
Biology
The simplest of all bryophytes are___________?
A
Thallophytes
Option A
B
Embryophytes
Option B
C
Mosses
Option C
D
Liverworts
Option D
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MEDIUM
ENGLISH
Biology
Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
A
They belong to sphenopsida
Option A
B
They are seedless and their leaves are called fronds
Option B
C
They live in shady and moist areas.
Option C
D
They show circinate vernation.
Option D
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MEDIUM
ENGLISH
Biology
Antheridiophore and archegoniophore are found in_____________?
A
Marchantia
Option A
B
Funaria
Option B
C
Both of these
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Due to which property of Adiantum and example of Filicinae is called Maidenhairfern________________?
A
Its short thick branched horizontally growing rhizome
Option A
B
Fibrous adventituous roots arise from the lower side of rhizome
Option B
C
Shows heteromorphic alternation of generation
Option C
D
Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
Option D
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MEDIUM
ENGLISH
Biology
Specialized protective coverings around megasporangium which vary in number are called_________________?
A
Sporangium
Option A
B
Integuments
Option B
C
Ovule
Option C
D
Pericarp
Option D
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MEDIUM
ENGLISH
Biology
Protonema is___________?
A
Thallus like
Option A
B
Algae like
Option B
C
Fungus like
Option C
D
Plant like
Option D
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MEDIUM
ENGLISH
Biology
In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?
A
Spheospsida
Option A
B
Filicineae
Option B
C
Gymnosperms
Option C
D
Angiosperms
Option D
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MEDIUM
ENGLISH
Biology
Pinus Taxus and Picea belong to_________________?
A
Spheospsida
Option A
B
Filicineae
Option B
C
Gymnosperms
Option C
D
Angiosperms
Option D
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