NEET ZOOLOGY QUIZ 2 JULY 25

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Respiration - 20 MCQs

Q1. Breathing is controlled by
Cerebrum
Cerebellum
Pons
Medulla oblongata

Q2. Intercostal muscles are found between
Sternum
Ribs
Vertebral column
Glottis

Q3. Respiratory structures of insects are
Tracheal tubes
Gills
Lungs
Green glands

Q4. Normal tidal volume is
800 mL
1200 mL
1100-1200 mL
500 mL

Q5. During inspiration diaphragm
Contracts and flattens
Relaxes
Expands
Unchanged

Q6. Vital capacity equals
TV+IRV
TV + IRV + ERV
RV+ERV
TV+TRV+ERV

Q7. Gas exchange occurs by
Active transport
Osmosis
Filtration
Diffusion down concentration gradients

Q8. Painful respiration is
Hypoxia
Dyspnoea
Narcosis
Decompression sickness

Q9. CO2 turns lime water
Milky
Blue
Red
Clear

Q10. Widening of alveoli is seen in
Asthma
Pneumonia
Silicosis
Emphysema

Q11. Nitrogen narcosis is common in
Scuba diving
Swimming
Pneumonia
Fibrosis

Q12. Healthy breathing rate is
10-16
12-18/min
13-17
20-24

Q13. Bronchioles
Have rings
Are trachea
Collapse always
Lack cartilaginous rings

Q14. Pleural fluid
Stores air
Reduces friction
Forms mucus
Carries oxygen

Q15. Each haemoglobin binds
4 oxygen molecules
1
2
3

Q16. Smoking reduces oxygen supply because
Less RBC
Less plasma
More platelets
Hb binds carbon monoxide

Q17. Hamburger phenomenon is
Chloride shift
Sodium shift
Hydrogen shift
Bicarbonate pump

Q18. At high altitude RBC count
Decreases
Increases
Unchanged
Shrinks

Q19. Breathing rate mainly controlled by
Oxygen only
Heart rate
Muscles
Carbon dioxide in blood

Q20. Asthma may result from
Lung cancer
Allergic reaction of mast cells
Heart failure
Low RBC

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