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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Slow worm belongs to phylum.
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Annelids
Aschelminthes
Chordata
Plathelmin thes
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Question # 2
The amino acids are mainly different from each other due to the type and nature of.
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R-Group
Amino group
Carboxyl group
Peptide bond
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Question # 3
Emil Fisher proposed a lock and key model in
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1990
1880
1890
1800
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Question # 4
Respiratory distress syndrome is common in
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Adults
Old age people
Prelature infants
All new borns
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Question # 5
Phosphatidyl choline is one of the common
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Phospholipid
Glycolipid
Sphingolipid
Terpenoid
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Question # 6
Slime mold feeding stage is.
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Blasto style
Sporozoites
Gastrozoid
Plasmodium
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Question # 7
Example of apicomplexans is.
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Vorticella
Plasmodium
Sentor
Amoeba
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Question # 8
Genus for corn plant is.
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Allium
Cassla
Solanum
Zea
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Question # 9
The ions involved in the opening and closing of stomata are.
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Sodium
Calcium
Magnesium
Potassium
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Question # 10
A substance that inhibits blood clotting is.
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Heparin
Fibrin
Fibrinogen
Thrombin
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Question # 11
The uncontrolled production of white blood cells result in
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Oedema
Leucaemia
Thaiassaemia
Asthma
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Question # 12
Book "The origin of species" was written by.
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Linnaeus
Darwin
Wallace
Lamark
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Question # 13
the active uptake of sodium in the loop of Henle is provided by the actioon of hormone
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Cortisone
Testosterone
Aldosterone
Progesterone
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Question # 14
Germ cells in the ovary produce many
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Spermatogonia
Zoospores
Zygospores
Oogonia
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Question # 15
The period of life cycle of cell between two consecutive divisions is termed as.
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Resting phase
Inter phase
G1 phase
G2 Phase
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Question # 16
What will be the age of willow tree 10 centimeter long and 70 centimeter in diameter
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40 years
50 years
60 years
70 years
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Question # 17
The animal that is caught and eaten is called.
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Predator
Host
Prey
Parasite
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Question # 18
If an mRNA is synthesized with the differnt codons, what is the minimum number of amino acids in the protein that is formed by the mRNA?
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64 Amino acids
62 Amino acids
60 Amino acids
None of them
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Question # 19
Cocklebur (Xanthium),chrysanthemum,soyabean,tobacco,strawberry are examples of
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Short day plants
Long day plants
Day-neutral plants
None of these
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Question # 20
The kinetochore fibres of spindle attach to the kinetochore region of chromosome and align them at the equator of the spindle forming
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Equatorial plate
Metaphase plate
Central plate
Both a & b
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Question # 21
Endosymbiont hypothesis explains origin of.
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cell
Prokaryotic cell
Eukaryotic cell
Ribosome
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Question # 22
The most threatened areas on the earth have been reduced to 44% of their original extent are
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Tropical rain forests
Temperate rain forests
Carbiniferous forests
Deciduous rain forests
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