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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Glycolysis
Choose an answer
Produces no ATP
It is same as fermentation
Takes place in the mitochondria
Reduces two molecules of NAD
+
For every glucose molecule processed
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Question # 2
Pelomyxapalustris is an example of.
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Bacteria
Algae
Cillate
Amoeba
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Question # 3
In the binomial system of taxonomy, the first word of an organism's name is its
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Species
Genus
Race
Family
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Question # 4
Which one of the following is and organic molecule
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C
6
H
12
O
6
NO
2
H
2
O
H
2
SO
4
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Question # 5
Hydra belongs to phylum
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Mollusca
Cridaria
Arthropoda
Annelida
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Question # 6
All seed producing plants are called.
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Bryophytes
Arthrophyles
Spermatophytes
None of these
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Question # 7
E-coli of fungi are the
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Rusts
Brown mold
Green mold
Yeasts
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Question # 8
Which one of the following is not concerned with oxidative phosphorylation.
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Co enzyme Q
Cytochrome b
Cytochrome a3
Plastocyanin
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Question # 9
Digestion in Hydra and Planaria takes place within their
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Coelom
Alimentary cannal
Gastrovascular cavity
Mouth
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Question # 10
The active site of an enzyme
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Never changes
Forms no chemical bond with substrate
Determines by its structure the specificity of an enzyme
Looks like a lump projection from the surface of an enzyme
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Question # 11
The optimum pH of enter kinase is
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1.50
3.50
5.50
7.50
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Question # 12
Lichen is a symbiotic association between a fungus and.
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Gymnosperm
Angiosperm
An alga
Pterrdophyta
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Question # 13
Inheritance of skin colour in man is controlled by eight pairs of genes , which are:
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Linked
Codominent
Multiple alleles
Assorting independently
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Question # 14
Parathyroid hormone acts to ensure that
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Calcium levels in the blood never drop too low
Sodium levels in urine are constant
Potassium levels in the blood do not escalate
The concentration of water in the blood is sufficient
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Question # 15
Modern man is called
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Homo erectus
Homo habilis
Homo sapiens
Homo neanderthalensis
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Question # 16
In spermatophytes important step in land adaptation is the evolution.
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Seed coat
Fruit
Pollen tube
Flower
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Question # 17
How many different kinds of the gametes will be formed by an ndividual , who is hetrozygous for four gene pairs:
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8
16
20
30
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Question # 18
Intelligence is also a case of polygenic inheritance which is strongly influenced by
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Genes
Environment
Experience
Nature
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Question # 19
Tundra ecosystem is located on Mountains
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Kara-koram
Hindukush
Salman
Both a & b
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Question # 20
The remoras benefit from this relationship the shark is not affected at all.
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symbiosis
Mycorrhiza
Mutualism
Commercialism
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Question # 21
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 # 22
Urine is preferable vehicle for a biotechnology product than.
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Plama
Blood
Milk
Tissue fluid
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