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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Pyruvic acid is produced as a result of.
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Glycolysis
ETC cycle
Calvin cycle
Krebs cycle
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Question # 2
Internal morphology is also called.
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Physiology
Histology
Anatomy
Paleontology
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Question # 3
In Cockroach the partially digested food is stored.
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Rectum
Gizzard
Crop
Colon
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Question # 4
which one of the following is not a lipid.
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Rubber
Chitin
Cutin
Cholesterol
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Question # 5
One of the following is not an accessory pigment.
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chlorophyll 'a'
Xanthophyll
Carotenes
Chlorophyll 'b'
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Question # 6
Gastric secretion is inhibited by
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Bile
Gastrin
Pancreatic juice
Secretin
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Question # 7
Xylem and phloem are not involved
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In transport of minerals
In transport of liquids
In transport of gases
In transport of water
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Question # 8
The rate of reaction of enzyme directly depends upon
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Amount of enzyme present at a specific time at unlimited substrate concentration
Nature of substrate
Maximum pH level
Low temperature
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Question # 9
Germ theory of disease was formulated by
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Antone Van Leeuwenhoek
Pasteur
Robert Koch
none of above
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Question # 10
The volume of air taken inside the lungs and expelled during exercise is about
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2.5 liters
3.5 liters
4.5 liters
1.5 liters
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Question # 11
The main site of exchange of gases iin plants are
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Cuticle
Lenticel
Stomata
Epidermis
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Question # 12
If the condon consisted of only two nucleotides, there would be how many possible condons?
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4
8
20
16
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Question # 13
Acute forms of arthritis usually result from
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Bacterial invasion
Viral inversion
fungal invasion
Severe injury
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Question # 14
Apical dominance is cause by.
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Gibberellins
Cytokinins
Auxins
Ethene
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Question # 15
Which of the following is macronutrient.
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Zinc
Iron
Sulphur
Iodine
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Question # 16
Pairing of homologous chromosomes for tetrad formation starts at.
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Leptotene
Zygotene
Diplotene
Pachytene
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Question # 17
The cross which is used to find out the homozygous or heterozygous nature of the genotype is called.
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Test cross
Reciprocal ross
Monohybrid corss
Dihybrid cross
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Question # 18
Highly condensed portions of the chromatin are called.
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Homochromatin
Heterochromatin
Euchromatin
Achromatin
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Question # 19
The gene that triggers developmental process towards maleness is.
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TFM
MODY
SRY
BOB
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Question # 20
Commonly enzyme thermus aquatious is also known as
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Taq polymerase
DNA polymerase
RNA polymerase
Taq ligase
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Question # 21
Cell cycle involves.
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Growth of cell
Replication of DNA
Cell division
None of these
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Question # 22
Nephridia are the excretory structures present in.
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Hydra
Planaria
Cockroach
Earth worm
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