278102
The carbon dioxide is transported via blood to lungs as
1 dissolved in blood plasma only.
2 in the form of carbonic acid only.
3 in combination with haemoglobin only.
4 carbaminohaemoglobin and as carbonic acid.
Explanation:
(d) Carbon dioxide is transported via blood to lungs mostly as carbaminohaemoglobin, carbonic acid and bicarbonate. It is released in lungs in exchange with oxygen.
NCERT (Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278103
When fully saturated, one molecule of oxyhaemoglobin carries following number of oxygen molecules.
1 Two
2 Three
3 Four
4 None of these
Explanation:
(c) One molecule of Haemoglobin contains four molecule of Haem, so four iron atoms, for carrying for molecules of Oxygen.
NCERT_(Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278107
Carbonic anhydrase is found in high concentration in
1 leucocytes
2 blood plasma
3 erythrocytes
4 lymphocytes
Explanation:
(c) Carbonic anhydrase is found in high concentration in erythrocytes (RBCs). Carbonic anhydrase is a zinc enzyme that speeds up the formation of carbonic acid.
NCERT_(Page-275 / N-190
BREATHING and EXCHANGE OF GASES
278108
Dissociation of oxyhaemoglobin can be promoted by
1 low$\text{pC}{{\text{O}}_{2}}$
2 high$\text{pC}{{\text{O}}_{2}}$
3 low body temperature
4 high blood$\text{pH}$
Explanation:
(b) The higher concentration of $\text{pC}{{\text{O}}_{2}}$ stimulates dissociation of oxyhaemoglobin.
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BREATHING and EXCHANGE OF GASES
278102
The carbon dioxide is transported via blood to lungs as
1 dissolved in blood plasma only.
2 in the form of carbonic acid only.
3 in combination with haemoglobin only.
4 carbaminohaemoglobin and as carbonic acid.
Explanation:
(d) Carbon dioxide is transported via blood to lungs mostly as carbaminohaemoglobin, carbonic acid and bicarbonate. It is released in lungs in exchange with oxygen.
NCERT (Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278103
When fully saturated, one molecule of oxyhaemoglobin carries following number of oxygen molecules.
1 Two
2 Three
3 Four
4 None of these
Explanation:
(c) One molecule of Haemoglobin contains four molecule of Haem, so four iron atoms, for carrying for molecules of Oxygen.
NCERT_(Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278107
Carbonic anhydrase is found in high concentration in
1 leucocytes
2 blood plasma
3 erythrocytes
4 lymphocytes
Explanation:
(c) Carbonic anhydrase is found in high concentration in erythrocytes (RBCs). Carbonic anhydrase is a zinc enzyme that speeds up the formation of carbonic acid.
NCERT_(Page-275 / N-190
BREATHING and EXCHANGE OF GASES
278108
Dissociation of oxyhaemoglobin can be promoted by
1 low$\text{pC}{{\text{O}}_{2}}$
2 high$\text{pC}{{\text{O}}_{2}}$
3 low body temperature
4 high blood$\text{pH}$
Explanation:
(b) The higher concentration of $\text{pC}{{\text{O}}_{2}}$ stimulates dissociation of oxyhaemoglobin.
278102
The carbon dioxide is transported via blood to lungs as
1 dissolved in blood plasma only.
2 in the form of carbonic acid only.
3 in combination with haemoglobin only.
4 carbaminohaemoglobin and as carbonic acid.
Explanation:
(d) Carbon dioxide is transported via blood to lungs mostly as carbaminohaemoglobin, carbonic acid and bicarbonate. It is released in lungs in exchange with oxygen.
NCERT (Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278103
When fully saturated, one molecule of oxyhaemoglobin carries following number of oxygen molecules.
1 Two
2 Three
3 Four
4 None of these
Explanation:
(c) One molecule of Haemoglobin contains four molecule of Haem, so four iron atoms, for carrying for molecules of Oxygen.
NCERT_(Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278107
Carbonic anhydrase is found in high concentration in
1 leucocytes
2 blood plasma
3 erythrocytes
4 lymphocytes
Explanation:
(c) Carbonic anhydrase is found in high concentration in erythrocytes (RBCs). Carbonic anhydrase is a zinc enzyme that speeds up the formation of carbonic acid.
NCERT_(Page-275 / N-190
BREATHING and EXCHANGE OF GASES
278108
Dissociation of oxyhaemoglobin can be promoted by
1 low$\text{pC}{{\text{O}}_{2}}$
2 high$\text{pC}{{\text{O}}_{2}}$
3 low body temperature
4 high blood$\text{pH}$
Explanation:
(b) The higher concentration of $\text{pC}{{\text{O}}_{2}}$ stimulates dissociation of oxyhaemoglobin.
278102
The carbon dioxide is transported via blood to lungs as
1 dissolved in blood plasma only.
2 in the form of carbonic acid only.
3 in combination with haemoglobin only.
4 carbaminohaemoglobin and as carbonic acid.
Explanation:
(d) Carbon dioxide is transported via blood to lungs mostly as carbaminohaemoglobin, carbonic acid and bicarbonate. It is released in lungs in exchange with oxygen.
NCERT (Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278103
When fully saturated, one molecule of oxyhaemoglobin carries following number of oxygen molecules.
1 Two
2 Three
3 Four
4 None of these
Explanation:
(c) One molecule of Haemoglobin contains four molecule of Haem, so four iron atoms, for carrying for molecules of Oxygen.
NCERT_(Page-274 / N-189
BREATHING and EXCHANGE OF GASES
278107
Carbonic anhydrase is found in high concentration in
1 leucocytes
2 blood plasma
3 erythrocytes
4 lymphocytes
Explanation:
(c) Carbonic anhydrase is found in high concentration in erythrocytes (RBCs). Carbonic anhydrase is a zinc enzyme that speeds up the formation of carbonic acid.
NCERT_(Page-275 / N-190
BREATHING and EXCHANGE OF GASES
278108
Dissociation of oxyhaemoglobin can be promoted by
1 low$\text{pC}{{\text{O}}_{2}}$
2 high$\text{pC}{{\text{O}}_{2}}$
3 low body temperature
4 high blood$\text{pH}$
Explanation:
(b) The higher concentration of $\text{pC}{{\text{O}}_{2}}$ stimulates dissociation of oxyhaemoglobin.