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Biology Life Science Test Easy Mode MCQs With Answers
Question # 1
There are ............ types of aminoacids.
Choose an answer
10
20
30
40
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Question # 2
The process of breaking down large droplets of fat into small droplets of fat is called:
Choose an answer
Emulsification
Absorbtion
Peristalsis
Digestion
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Question # 3
There are _______________ chromosomes in humans.
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46
18
16
23
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Question # 4
Which of these material is not a component of the plasma membrane?
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Lipids
Carbohydrates
Proteins
DNA
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Question # 5
Which one are the sites of protein synthesis?
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Nucleus
Mitochondria
Endoplasmic reticulum
Ribosomes
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Question # 6
Stomata close when the guard cells:
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Lose water
Gain chloride ions
Become turgid
Gain potassium ions
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Question # 7
Fats belong to a group of substance called .............. .
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Carbohydrates
Lipid
Protein
Vitamins
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Question # 8
No of steps of biological method are:
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Seven
Six
Two
Eight
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Question # 9
In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .
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1:2
2:1
2:2
3:2
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Question # 10
Which of the following proteins is not present in the plasma of the blood?
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Immunoglobulin or antibodies
Prothrombin
Haemoglobin
Fibrenogen
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Question # 11
The famous bookd Al-Nabatat was written by.
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Bu Ali sina
Jabir Bin Hayan
Abdul Malik
Ibn-e- Nafees
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Question # 12
Tulip plants reproduce through _________
Choose an answer
Natural vegetative reproduction
Artificialvegetative reproduition
Cutting
Grafting
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Question # 13
Which plant reproduces by stem tubers?
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Onion
Garlic
Potato
Ginger
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Question # 14
The outermost part of flower is called:
Choose an answer
Androecium
Corolla
Calyx
Gynoecium
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Question # 15
Double fertilization results into:
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Ovule
Egg
Triploid Endosperm Nucleus
Diploid Endosperm Nucleaus
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Question # 16
How many types of nerves are classified on the basis of property of axons?
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2
3
4
5
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Question # 17
The materials flow forms one trophic level to the next by means of:
Choose an answer
food chains
food webs
energy pyramids
both A and B
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Question # 18
A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE.
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Its phenotype will be white flowers .
It has a homozygous dominant genotype.
When bred to a white flowered plant all offspring will be purple flowered.
All the gametes produced will have the same flower colour allele
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Question # 19
During binary fission, how many cells are formed?
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Two daughter cells
Four cells
Many cells
All of these
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Question # 20
____________ hydrogen bonds are present between cytosine and guanine:
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2
3
4
5
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Question # 21
An epiphyte is an example of:
Choose an answer
Parasitism
Mutualism
Commensalism
Symbiosis
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Question # 22
First step in Genetic Enginnering is:
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Isolation of gene of interest
Insertionof gene into a vector
Transfer of recombinent DNA into host
Growth of the GMO
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