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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The carbohydrate digesting enzyme is called.
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Isomerase
Lipase
Amylase
Protease
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Question # 2
The structure involved in guttation are.
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Cuticle
Hydathodes
Lenticle
Stomata
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Question # 3
The scientific name of rice is
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Acacia fistula
Oryza sativa
Zea mays
Triticum vulgare
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Question # 4
Pseudo coelom is characteristic.
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Nematoda
Mollusca
Annelida
Echinodermata
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Question # 5
...... are highly evolved of all the plants on earth
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Bryophytes
Pteridophytes
Angiosperms
Gymnosperms
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Question # 6
In hydra ectodermal cells get food from endodermal cells by.
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Osmosis
diffusion
Active transport
Facilitated diffusion
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Question # 7
The first action spectrum was obtained by.
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T.W. Engelmann
Van Neil
Melvin Calvia
Ernst Haeckel
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Question # 8
The class hepaticeae includes about ...... species
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600
900
1100
1200
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Question # 9
Dolphin is
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Fish
Bird
Mammals
Amphibian
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Question # 10
The sub class that has not primitive mammals is
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Prototherian
Eutherian
Megatheria
None of these
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Question # 11
Magnesium is an important untrient ion in green plants as it is an essential component of
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Cell sap
Protein
Chlorophyll
Glucose
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Question # 12
_______ regulates the kidney's retention of water.
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Prolactin
Oxytocin
Thyroxin
Vasopressin (ADN)
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Question # 13
Lichen is a symbiotic association between a fungus and.
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Gymnosperm
Angiosperm
An alga
Pterrdophyta
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Question # 14
DNA changes are called mutations and the organisms that have undergone such changes are called
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Wild types
Changer
Mutants
Transmutants
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Question # 15
Pairing of homologous chromosomes for tetrad formation starts at.
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Leptotene
Zygotene
Diplotene
Pachytene
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Question # 16
The human life is judged to be maximum of.
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60-70 years
70-100 years
120 -175 years
130-135 years
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Question # 17
At the distal end the femur forms knee joint with the proximal end of two parallel bones called
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Tibia and fibula
Radius & ulna
Carpals & metacarpals
Tarsal & metatarsal
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Question # 18
Cell cycle involves.
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Growth of cell
Replication of DNA
Cell division
None of these
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Question # 19
Symbiotic association of analgaliving within fungus mycelium is known as.
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Mycorrhiza
Lichen
Root Nodules
Parasitism
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Question # 20
In hershey & chase experiment, 32p labeled bacteriophages allowed to infect the becteria.During analysis 32 p activity wa detected:
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In culture medium
On the surface of becterial cell
Inside the becteiral cell
Both a and B
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Question # 21
Once nitrate enters the plant cell it is reduced to.
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Nitrite
Ammonia
Carbohydrate
Proteins
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Question # 22
Find secreted by Sertoli cells provides liquid medium, protection and nourishment to.
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Oocyte
Sperms
Polar body
Spermatids
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