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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The absorptive nutrition of fungi is aided by
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Spore formation
Their large surface area-volume ratio
They are parasites
They form fruiting bodies
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Question # 2
Helical shape of polypeptide is due to presence within molecule.
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Covalent bond
Hydrogen bond
Peptide bond
disulphide bond
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Question # 3
The bio element which account for 99% of the total mass in the human's body are .
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Four
Three
Six
Eight
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Question # 4
Plastocyanin protein contains.
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Iron
copper
Potassium
Magnesium
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Question # 5
In human body amount of oxygen is.
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50%
65%
40%
70%
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Question # 6
Enzyme lower down the energy of.
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Kinetic
Potential
Activation
Ionic
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Question # 7
When equal intensities of light are given more photosynthesis takes place in spectrum.
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Blue
Orange
Red
Greem
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Question # 8
Koshland in 1959 proposed the modified form of
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Fluid mosaic model
Induce fit model
Unit membrane model
Reflective index model
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Question # 9
Which one is a parasitic plant.
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Pitcher plant
Venus fly trap
Dodder
Sun dew
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Question # 10
In sponges the food enters the spngocoal cavity throgh
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Ostia
Osculum
Mouth
Spiracles
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Question # 11
Parasitic fungi directly absorb nutrients from living host by
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Haustoria
Roots
Rhizoids
Gametangia
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Question # 12
The fossil fuels are
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Coal
Oil
Gas
All a,b and c
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Question # 13
The genes found in a breeding population constitute.
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Genotype
Gene pool
Genome
Gene frequency
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Question # 14
In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called
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-10 sequence
- 20 sequence
- 30 sequence
- 35 sequence
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Question # 15
The ultimate source of change is.
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Evolution
Mutation
Genetic drift
Migration
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Question # 16
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 # 17
Downs syndrome (Mongolism) occurs in man during which 21
st
chromosome falls to segregate resulting gamete with
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20 chromosomes
21 chromosomes
22 chromosomes
24 chromosomes
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Question # 18
Which one is not desert.
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Thar
Thal
Sahara
Talga
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Question # 19
Effect of photoperiodism was first studied in 1920 by
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Darwin & Francis
Garner & Allard
Linnaeus & Lamarck
Walson & Crick
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Question # 20
The animals that lay shelled eggs to protect the developing embryo are called.
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Oviparous
Ovovlviparous
Viviparous
Egg laying mammals
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Question # 21
In human beings, the homeostatic thermostat is present in a part of the brain called as.
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Thalamus
Hypothalamus
Hipocampus
Amygdala
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Question # 22
In tomato and pappers, parthenocarpy is artificially induced by adding.
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Auxins
Cytokinins
Abscisic Acid
Ethene
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