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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Release of nitrates by saprophytic bacteria helps in
Choose an answer
Carbon cycle
Oxygen cycle
Nitrogen cycle
Water cycle
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Question # 2
The melting point of palmitic acid is
Choose an answer
-8
o
C
34
o
C
63.1
o
C
55.6
o
C
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Question # 3
Polytrichum is a
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Hornwort
Moss
Clab moss
Liver worts
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Question # 4
The renal veins bring the impure blood form.
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Kidney
Lungs
Brain
Liver
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Question # 5
The raw material for co-enzymes are
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Lipids `
Proteins
Vitamins
None of these
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Question # 6
The process of evolution of leaf was completed is more than
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15-16 million year
15-17 million year
15-19 million year
15-20 million year
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Question # 7
Animal of which phylum have developed bilateral symmetry in their larvae and radial symmetry in adults.
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Nematoda
Annelida
Echinodermata
Mollusca
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Question # 8
Excess gastric secretion is an important factor for
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Obesity
Piles
Food poising
Peptic Ulcer
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Question # 9
Pteropsida is divided into ...... classes
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3
4
5
6
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Question # 10
A triglyceride is a
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Simple sugar
Lipid
Protein
Nucleic acid
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Question # 11
Mammals have only
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Right arotic arch
Left arotic arch
Both left and right arotic arches
No artic arch
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Question # 12
Muscle present in the gut wall are
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Smooth
Skeletal
Cardiac
Voluntry
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Question # 13
The Limbic system is located between thalamus and
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Hypothalamus
Cerebrum
Pons
Cerebellum
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Question # 14
Adult transgenic tobacco plants glowed when sprayed with the substrate
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Luciferon
Luciferin
Luciferol
Luciferase
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Question # 15
Cytokinins delay the aging of fresh leaf crops such as cabbage and lettuce as well as keeping flowers
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Attached
Fresh
Delayed
Open
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Question # 16
Which of the following is NOT recycled in ecosystem?
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Carbon
Sulphur
Energy
Water
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Question # 17
Uric acid is produced from metabolism of.
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Nucleic acid
Fetty acid
Carbohydrates
Lipds
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Question # 18
Menstruation usually lasts for
Choose an answer
3 - 7 days
2 - 5 days
1 - 3 days
5 - 7 days
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Question # 19
The remoras benefit from this relationship the shark is not affected at all.
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symbiosis
Mycorrhiza
Mutualism
Commercialism
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Question # 20
As CFC
s
rise to the atmosphere ultraviolet rays release
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Fluorine
Chlorine
Carbon
Hydrogen
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Question # 21
Bats and humming birds are called.
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Ectotherms
endotherms
Heterotherms
Mesotherms
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Question # 22
The average rain fall in temperate deciduous forest is between
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600-1500 mm
650 -1500 mm
750-1500 mm
700 -1500 mm
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