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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Number of air sacs in birds is
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6
7
8
9
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Question # 2
From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.
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01
02
03
04
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Question # 3
The larva found in echinoderms is
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Trochophore
Veliger
Bipinnaria
Planaria
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Question # 4
Which ne serves to build macromolecules.
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ATP
Starch
Glucose
Keratin
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Question # 5
In mosses, archegonia and antheridia mixed with sterile hairs are called.
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My celium
Gymnosperm
Bryophytes
Pteridophyte
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Question # 6
the hypothesis that plants split water as a source of hydrogen was given by.
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Van Niel
Kreb
Pasteur
Calvin
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Question # 7
Pseudo coelom is characteristic.
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Nematoda
Mollusca
Annelida
Echinodermata
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Question # 8
In integrated disease management involves
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Combating of disease
Loss of microbes
Extinction of species
Division of zygote
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Question # 9
Which one is an example of non vascular plants.
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Rhynia
Psilotum
Adiantum
Marchantis
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Question # 10
Parenchymatous cells are specialized for.
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Support
Store food
Photosynthesis
Growth
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Question # 11
How much air can lungs when they are fully inflated
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5 liters
4 liters
3.5 liters
4.5 liters
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Question # 12
Euglena is able to change its direction by the active contraction of.
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Undulating membrane
Myonemes
Cilium
Flagella
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Question # 13
A diluted solution compared to the cell concentration is termed as.
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Hypertonic
Hypotonic
Isotonic
Paratonic
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Question # 14
For maximum growth the optimum temperature is 25 - 30
o
C and it least at
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1 - 3
o
C
5 - 10
o
C
4 - 8
o
C
6 - 12
o
C
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Question # 15
The organic portion of bones matrix is important in providing all but:
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Tensile strength
Hardness
To resist stretch
Flexibilty
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Question # 16
Type of asexual reproduction.
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Fertilization
Vernalization
Photoperiodism
Apomixes
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Question # 17
Desert ecosystem of Bhakkar and Mian wali is called.
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Thal
Thar
Cholistan
Rohi
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Question # 18
The enzyme which joins the two pieces of DNA is
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DNA polymerase -I
DNA ligase
Restriction endonuclease
DNA polymerase -I
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Question # 19
Super cool cytosol, without ice formation, is caused by.
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Heat shock proteins
Solutes
Unsaturated fatty acids
Enzymes
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Question # 20
Parthenocarpy is the development of fruit without.
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Pollination
Germination
Fertilization
Hormones
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Question # 21
Hind brain includes the medulla pons and
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Cerebrum
Cerebellum
Thalamus
Amygdala
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Question # 22
The number of nucleotides in the DNA of a typical human chromosome is about
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10 Million
40 million
80 million
140 million
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