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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Each mesophyll cell of leaf has chloroplast about.
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10-20
20-80
20-100
100-110
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Question # 2
Sedimentation rate of Eukaryotic Ribosome.
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30 S
50 S
70 S
80 S
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Question # 3
The renal vein brings the impure blood form.
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Brain
Kidney
Lungs
Liver
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Question # 4
Thylakoid membrane are involved is ATP synthesis by a process known as.
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Photolysis
Chemiosmosis
Redox process
Glycolysis
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Question # 5
Which of the following is not true for spores produced by fungi
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They are haploid
They need water for their dispersal
They are non-motile
They are produced in large number
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Question # 6
The melting point of palmitic acid is
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-8
o
C
34
o
C
63.1
o
C
55.6
o
C
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Question # 7
Which of the following is not true about histamine.
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Produced by basochills
cause inflammation
Causes dilation of blood capillaries
Released by Eosinophils
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Question # 8
The HIV Virus causes.
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Tuberculosis
Cancer
AIDS
Hepatitis
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Question # 9
Metameric ally segmented animals are belonging to the.
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Annelids
Molluscus
cnidarians
Echinoderms
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Question # 10
Most of the uptake of water and minerals from soil takes place through
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Roots
Root hair
Epidermal layers
Root cap
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Question # 11
Flame cells are found in the phylum
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Nematoda
Annelida
Mollusca
Platty helmithes
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Question # 12
Animals excreting urea are called.
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Ammonotelic
Ureotelic
Uricotelic
Aminotelic
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Question # 13
Which one of the fllowing acts as a stop codon?
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UGG
UGC
UAG
UGU
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Question # 14
In addition to auxin which hormone also play important role in apical domince
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Abcesic acid
Gibberellins
2,4-D
Cytokinins
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Question # 15
In human only one ovum is usually discharged from the ovary at one time this phenomenon is called
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Ovulation
Menstruation
Oestrous
Apomixes
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Question # 16
Which of the following is the last structure that urine passes through duration its excretion from the body?
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Distal Tubule
Urethra
Urinary bladder
Ureter
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Question # 17
A full set of genes of an individual is called
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Genotype
Genomic library
Genome
Allelomorph
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Question # 18
In sickle cell anemia code for glutamic acid is replaced by.
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Leucine
Valine
Proline
Histidine
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Question # 19
Earthworm is the ideal example of tubular excretory system called
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Protonephridia
Mesonephridia
Metanephridia
Prenephridia
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Question # 20
Chilas has major terrestrial ecosystem.
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Deciduous forest
Alpine Forest
Grass land
Tundra
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Question # 21
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 # 22
Green colour blindness is called.
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Deiteranopia
Tritanopia
Protamptoa
colour blind
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