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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The tentative explanation of observation.
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Hypothesis
Law
Theory
Deduction
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Question # 2
Thalassemia is also called.
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Cooley's anaemia
Peter's anaemia
Thomas anaemia
Mendl'e anaemia
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Question # 3
Cell wall is secreted by
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Protoplasm
Nucleoplasm
Ribosome
Golgi complex
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Question # 4
Chlorophyll molecule contains except.
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Magnesium
Iron
Calcium
Phosphorus
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Question # 5
The term employed to the loss of appetite due to the fear of becoming obese is.
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Bulimia nervose
Obesity
Anorexia nervosa
Botulism
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Question # 6
Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates duirng.
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Photosynthesis
Growth
Respiration
Development
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Question # 7
Harmful substance are detoxified in the liver cells by.
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Mitochondria
Endoplasmic
Nucleolus
Golgi complex
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Question # 8
A free swimming trochophore larva is produced during the life cycle of.
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Coelenterate
Porifera
Annelida
Arthropods
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Question # 9
In amoeba digestion is.
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Intracellular
Extracellular
a and b both
None of these
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Question # 10
Arachis hypogea belongs to the family of
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Rosaceae
Solanaceae
Fabaceae
Poaceae
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Question # 11
Metals is ions are related to.
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Co enzymes
Vitamins
Co factors
Substrate
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Question # 12
The stage that lasts for days, weeks or event years
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Zygotene
Leptotene
Pachytene
Diplotene
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Question # 13
Which one of the following is endangered in Pakistan.
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Indian rhino
Indus Dolphin
tiger
Cheer pheasant
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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
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 # 16
An increase in plant girth due to activity of cascara cambium is called.
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Primary growth
Secondary growth
Heart wood
Sap wood
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Question # 17
Frogs and toads also walk and hop on land due to strong
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Forelimbs
Hindlimbs
Trunk
Head
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Question # 18
RH blood group system is named after.
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Discoverer
Rhesus monkey
Rhinoceros
a patient
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Question # 19
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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Question # 20
The protective coat which surrounds the embryo is known as:
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Amnion
Chorion
Allantosis
Chorio Allantoic
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Question # 21
Endangered species of plants have been recorded to more than.
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300
500
600
800
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Question # 22
Which of the following polymerase synthesize tRNA.
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RNA Polymerase -I
RNA Polymerase -III
RNA Polymerase -II
DNA Polymerase
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