Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 122 of 150)

Attempt Biology Quiz
A disease of longs in which inside of the lungs is damaged resulting in cough and fever?
A. Lung cancer
B. Asthma
C. Emphysema
D. Pulmonary tuberculosis
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Of the following, which one is a contagious disease?
A. Tuberculosis
B. Lungs cancer
C. Asthma
D. Emphysema
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Which of the following promotes growth in plants?
A. Photorespiration
B. Calvin cycle
C. Both of these
D. None of these
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Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
A. Cockroach
B. Earthworm
C. Aves
D. Frogs
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Percentage of CO2 carried as carboxyhaemoglobin is_________?
A. 5%
B. 70%
C. 20%
D. 10%
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Arterial blood contains _________ of CO2 per 100 ml of blood
A. 54 ml
B. 60 ml
C. 64 ml
D. 50 ml
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More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?
A. 5
B. 90
C. 15
D. 10
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Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.
A. 10 mm
B. 60 mm
C. 10 cm
D. 100 mm
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Important factors which affect the capacity of haemoglobin to combine with oxygen is
A. Temperature
B. Carbon dioxide
C. Ph
D. All of these
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The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?
A. Plus ve
B. – ve
C. No
D. All of these
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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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