MCQ
Nerve cells do not occur in
- ANematodes
- BMosquitoes
- ✓Sponges
- DCoelenterates
✓
Answer
Correct option: C.
Sponges
c
It’s obvious.
It’s obvious.
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Read the following and choose the option with all incorrect statements,
(i) Inspiratory Reserve Volume averages 2500- 3000 ml whereas RV averages 1000-1100 ml.
(ii) Volume of air remaining in lungs after normal expiration is called residual volume. It averages 1100 to 1200ml.
(iii) I.C = T.V + LR.V
(iv) Functional Residual capacity is total volume of air that will remain in lungs after normal expiration.This includes R.V.E.R.V and IRV
(v) Vital capacity is the maximum volume of air a person can breath out after a forced inspiration. This includes ERV, T.V and IRV
(vi) Alveoli are the primary sites of exchage of gases.
(vii) Expiratory capacity is total volume of air a person can expire after normal inspiration.
(viii) Pressure contributed by an individual gas in a mixture of gases is called partial pressure and is represented as pO2 for oxygen and pCO2 for CO2
(ix) pO2 of deoxygenated blood is 40 mmHg and PCO2 in oxygenated blood is 45 mmHg.
(x) The solubility of CO2 is 20-25 times higher than that of O2 in blood.
Choose the correct option given below :-
(i) Inspiratory Reserve Volume averages 2500- 3000 ml whereas RV averages 1000-1100 ml.
(ii) Volume of air remaining in lungs after normal expiration is called residual volume. It averages 1100 to 1200ml.
(iii) I.C = T.V + LR.V
(iv) Functional Residual capacity is total volume of air that will remain in lungs after normal expiration.This includes R.V.E.R.V and IRV
(v) Vital capacity is the maximum volume of air a person can breath out after a forced inspiration. This includes ERV, T.V and IRV
(vi) Alveoli are the primary sites of exchage of gases.
(vii) Expiratory capacity is total volume of air a person can expire after normal inspiration.
(viii) Pressure contributed by an individual gas in a mixture of gases is called partial pressure and is represented as pO2 for oxygen and pCO2 for CO2
(ix) pO2 of deoxygenated blood is 40 mmHg and PCO2 in oxygenated blood is 45 mmHg.
(x) The solubility of CO2 is 20-25 times higher than that of O2 in blood.
Choose the correct option given below :-
Match following pair.
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→Dialysing unit (artificial kidney) contains a fluid which is almost same as plasma except that it has