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12th Class Biology Chapter Wise MCQs:
Current Affairs MCQs
Pakistan Affairs MCQs
General Knowledge MCQs
General Science MCQs
Pedagogy MCQs
Islamic Studies MCQs
Pakistan Studies MCQs
Chemistry MCQs
Computer Science MCQs
Sports MCQs
Sindh->12th Class->Biology MCQs
Sindh Question:
A chromosome having centromere near the tip, j-shaped during migration is:
A:
Telocentric
B:
Acrocentic
C:
Metacentric
D:
Ub-metacentric
Answer: B
Answer
Submitted By:
waqasaftab
Discussion Form
Sindh Question:
Entire Central nerves system Is composed of
A:
Sensory neurons
B:
Motor neurones
C:
Inter neurons
D:
All of these
Answer: C
Answer
Submitted By:
bhawanishanker
Discussion Form
Sindh Question:
Most important part of Central nerves system Is
A:
spinal cord
B:
, cerebrum
C:
Brain
D:
Medulla oblongata
Answer: C
Answer
Submitted By:
bhawanishanker
Discussion Form
Sindh Question:
The eye defect in which far objects are seen blue is
A:
Glaucoma
B:
Myopia
C:
Long sightedness
D:
Cataract
Answer: B
Answer
Submitted By:
bhawanishanker
Discussion Form
Sindh Question:
Smell transmit to brain through which nerve
A:
Auditory nerve
B:
Olfactory nerve
C:
Motor nerve
D:
Optical nerve
Answer: B
Answer
Submitted By:
bhawanishanker
Discussion Form
Sindh Question:
The plant hormones commonly called?
A:
Phytoplankton
B:
Phytohormone
C:
Phototropism
D:
None
Answer: C
Answer
Submitted By:
sikandarhayat
Discussion Form
Sindh Question:
Member of the same species living in the same place at the same time make a;
A:
Habitat
B:
Bioshphere
C:
Communtiy
D:
Population
Answer: D
Answer
Submitted By:
Ashhad Abbas
Discussion Form
Sindh Question:
Which hormone helps in sucking of milk from Breasts?
A:
Prolactin
B:
TetraaiodoThyroid
C:
Parathyroid
D:
Oxytocin
Answer: D
Answer
Submitted By:
asharshaikh
Discussion Form
Sindh Question:
The major power requirements of pakistan are accomplished by
A:
nuclear energy
B:
solar energy
C:
hydro electric power
D:
tidal power
Answer: C
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Noise is considered as beyond
A:
30 decibels
B:
50 decibels
C:
80 decibels
D:
10 decibels
Answer: C
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Osteoarthritis is a
A:
Bacterial disease
B:
Degenerative disease
C:
Viral disease
D:
Protozoan disease
Answer: B
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Sickle cell anaemia is a disease caused by
A:
Abnormal gene
B:
Virus
C:
Fungus
D:
Bacteria
Answer: A
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Night blindness is caused due to deficiency of
A:
Vitamin A
B:
Vitamin K
C:
Vitamin C
D:
Minerals
Answer: A
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
The anemia is due to deficiency of
A:
Calcium
B:
Iron
C:
Iodine
D:
Vitamins
Answer: C
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Eutrophication in lakes and ponds is due to growth of
A:
Bacteria
B:
Plants
C:
Algae
D:
Fungi
Answer: C
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
The gas responsible for depletion of ozone is
A:
Chlorine
B:
Nitrogen
C:
Oxygen
D:
Carbon dioxide
Answer: A
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
The gas responsible for global warming is
A:
Oxygen
B:
Nitrogen
C:
Ozone
D:
Carbondioxide
Answer: D
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
The most safe and cheap resource of energy is
A:
Coal
B:
Petroleum
C:
Hydroelectric
D:
Nuclearenergy
Answer: A
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
The non-renewable resources of the following is
A:
Wild life
B:
forest
C:
water
D:
coal
Answer: D
Answer
Submitted By:
Maham
Discussion Form
Sindh Question:
Microcephaly is cause due to
A:
Malnutrition
B:
Genetic disorder
C:
Bacteria
D:
Fungi
Answer: B
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Each myosin filament is surrounded by
A:
4 actin filament
B:
6 actin filament
C:
8 actin filament
D:
12 actin filament
Answer: B
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
In leaf midrib , vein and vein lets contain
A:
Epidermal tissue
B:
Conducting tissue
C:
Ground tissue
D:
Supporting tissue
Answer: B
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Sclerenchyma cells present in hard parts are called
A:
Epidermal tissue
B:
Ground tissue
C:
Supporting tissue
D:
Conducting tissue
Answer: C
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Parenchyma cells storing food are called
A:
Epidermal tissue
B:
Ground tissue
C:
Supporting tissue
D:
Conducting tissue
Answer: B
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Parenchyma cells are found on surface are called
A:
Epidermal tissue
B:
Ground tissue
C:
Supporting tissue
D:
Conducting tissue
Answer: A
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
In vertebral skeletal muscle ,Z disc
A:
Connect to myosin fibers
B:
Lies parallel to actin fibers
C:
Limits one end of sarcomere
D:
None of these
Answer: C
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Which of the following is involuntary striated muscle
A:
Skeletal muscle
B:
Smooth muscle
C:
Cardiac muscle
D:
Both A & B
Answer: C
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
The contraction of striated muscle is initiated by release of energy in presence of
A:
Acetylcholine
B:
Chloride ions
C:
Potassium
D:
Calcium ions
Answer: A
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
Which iof the following is direct source of energy for muscle contraction
A:
ATP
B:
Glucose
C:
Glycogen
D:
None of these
Answer: A
Answer
Submitted By:
Maham ghaffar
Discussion Form
Sindh Question:
When muscle is contract
A:
Myosin slide part actin
B:
Sarcomere increase in size
C:
Lactin acid is produce
D:
Red muscle fibres get fatigue
Answer: A
Answer
Submitted By:
Maham ghaffar
Discussion Form
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