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Class 7 Science
Transportation In Animals And Plants
Quiz 1
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Which of the following is the main circulatory fluid in our body ?
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Plasma
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Lymph
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Blood
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None of these
Explanation
Blood
Which one of the following contains haemoglobin?
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RBC
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WBC
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Platelets
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None of these
Explanation
RBC
What is the function of WBCs?
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Transport of oxygen
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Fight against germs
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Involved in blood clotting
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All of these
Explanation
Fight against germs
Blood platelets help in
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formation of urine
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excretion of urine
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sweating
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blood clotting
Explanation
blood clotting
The muscular tube through which stored urine is passed out of the body is called:
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kidney
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ureter
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urethra
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urinary bladder
Explanation
urethra
They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
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Xylem tissue
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Vascular tissue
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Root hairs
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Phloem tissue
Explanation
Phloem tissue
The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in:
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veins
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arteries
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heart
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capillaries
Explanation
capillaries
In which of the following parts of human body are sweat glands absent?
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Scalp
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Armpits
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Lips
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Palms
Explanation
Lips
In a tall tree, which force is responsible for pulling water and minerals from the soil?
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Gravitational force
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Transportation force
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Suction force
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Conduction force
Explanation
Suction force
Aquatic animals like fish excrete their wastes in gaseous form as
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Oxygen
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Hydrogen
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Ammonia
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Nitrogen
Explanation
Ammonia
which is of the following is incorrect
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The filtering of blood periodically through an artificial kidney is called dialysis
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Pulmonary artery carries blood rich in carbon dioxide from the right ventricle of the heart to the lungs.
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there are valves present in arteries
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The process of removal of wastes produced in the cells of the living organisms is called excretion.
The filtering unit in the human excretory system is
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neutron
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neurons
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nephron
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none of these
Which of these helps in blood clotting?
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RBC
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haemoglobin
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platelets
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WBC
Aquatic animals like fish excrete their wastes in gaseous form as
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Oxygen
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Hydrogen
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Ammonia
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Nitrogen
The exchange of various materials between the blood and body cells takes place through
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Arteries
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Veins
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lungs
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Capillaries
Match the column
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p ->iv, q ->iii, r ->ii, s- >i
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p ->ii, q ->iv, r ->i, s- >iii
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p ->ii, q ->iii, r ->iv, s- >i
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p ->iv, q ->iii, r ->i, s- >ii
The average heart beat of an adult human is
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72 to 80 per min
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100 to 120 per min
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150 to 180 per min
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30 to 40 per min
water is transported in plants through
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Root hair
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Stomata
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Midrib
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xylem
Two statement are made (i) Arteries have no muscular walls (ii) Veins carry blood from different parts of the body to the heart. Which of these is true
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(i) only
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(ii) only
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(i) and (ii) both are correct
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Both statements are incorrect.
which instrument is used to listen to your heartbeat
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Stethoscope
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oxo-meter
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blood pressure monitor
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none of these
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