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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The sexual process exhibited by most ciliates is called
Choose an answer
Oogamy
Binary fission
Conjugation
Fertilization
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Question # 2
_____ is more important regulator of breathing process.
Choose an answer
Oxygen
Carbon di oxide
Myoglobin
Hemoglobin
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Question # 3
Daily rhythmic opening and closing of stomata is.
Choose an answer
Internal clock
External clock
Both internal and external clock
None of these
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Question # 4
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 # 5
A blue coloured respiratory pigment called hemocyanin is found is.
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Molluscus
Annelids
echinoderms
Arthropods
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Question # 6
Which one is the structure of respiratory system of man.
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Larynx
Syrinx
Esophagus
duodenum
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Question # 7
Glycerol is the back bone molecule for
Choose an answer
Disaccharides
DNA
Triglycerides
ATP
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Question # 8
Total photosynthesis is carried out by the terrestrial plants in about.
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15%
10%
20%
22%
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Question # 9
Enzymes involved in respiration, are found in.
Choose an answer
Chloroplasts
Ribosome
Mitochondria
Nucleus
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Question # 10
Lytic cycle completion occurs about
Choose an answer
15 min
25 Min
35 Min
05 Min
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Question # 11
Which one of these is Macro Molecule.
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H2O
CO2
Starch
O2
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Question # 12
The active uptake of sodium ions in the loop of Henle is provided byt he action of hormone.
Choose an answer
Insulin
Adrenaline
Aldosterone
Oxytocin
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Question # 13
Hypophosphatemic rickets is an _________ trait.
Choose an answer
X - Linked
Y -Linked
X- and Y linked
An autosomal
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Question # 14
Lichens are example of.
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Parasitism
Predation
Commensalism
Mutualism
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Question # 15
The parts of body use extensivly to cope with the environment become larger & stronger, while those that are not used deteriorate was argued by:
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Charls darwin
Alfred wallace
Carolus
Lamorck
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Question # 16
Tetany is disease caused by.
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Low calcium in blood
Low sugar blood
Low Vit. d in blood
High calcium in blood
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Question # 17
During gastrulation the blastoderm splits into two layers, an upper layer of cells is called.
Choose an answer
Hypoblast
Area pellucida
Epiblast
Area Opaca
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Question # 18
Cardiac muscles are muscles of the
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Liver
Stomach
Kidney
Heart
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Question # 19
Liver acts as store house of.
Choose an answer
Bile
Albumin
R.B.Cs
Iron
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Question # 20
Adenine and guanine are called
Choose an answer
Purines
Pyrmidines
Both a & b
None of these
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Question # 21
Littoral invertebrate animals include
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Small crustaceans
Insect larvae
Snail flatworms
All a,b,and c
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Question # 22
Anti thrombin III is a biotechnological produce produces in.
Choose an answer
sheep
Goat
Mice
Cow
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