Free Breathing And Exchange Of Gases (Daily Quiz: 7) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Breathing And Exchange Of Gases (Daily Quiz: 7) Time:

Question-1

Mark the incorrect statement in context to $O_{2}$ binding to Hb

(a)

(b)

(c)

(d)

Explanation:

Answer: (d)

There are various factors which affect the binding of $O_{2}$with Hb. These factors include:

  1. Low temperature
  2. Low $H^{+}$ concentration (low pH)
  3. Low diphosphoglyceraldehyde

Thus the incorrect statement is higher p$O_{2}$


Question-2

Match the column I (Animals) with column II (Mode of respiration) and choose the correct option.
Column - I (Animals)Column - II (Mode of respiration)
A. EarthwormI. Pulmonary
B. HumanII. Branchial
C. PrawnIII. Tracheal
D. InsectsIV. Cutaneous
Codes:

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Mode of respiration in earthworm, human, prawn and insects are respectively cutaneous (skin), pulmonary (lung), branchial (branchial gills) and tracheal (trachea).


Question-3

The harmful gas produced by catabolic reaction in our body is

(a)

(b)

(c)

(d)


Question-4

When 1500 mL air is in the lungs, it is called

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Residual volume is the amount of air that remains in the lungs after forcible expiration. It is about 1500 mL. It enables the lungs to continue exchange of gases even after maximum exhalation or holding the breath. Inspiratory reserve volume is the extra amount of air which can be inhaled forcibly after a normal inspiration. It is about 2000 to 2500 mL. Vital capacity is the amount of air which one can inhale and also exhale with maximum effort. It is about 3.5 - 4.5 litres. Tidal volume (500 mL) is the volume of air normally inspired or expired in one breath without any effort.


Question-5

Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of

(a)

(b)

(c)

(d)


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