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NEET Zoology PYQs
Class XI & Class XII
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🧬 Zoology
📘 Class XI & XII
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407 questions in Zoology
Select the correct events that occur during
inspiration.
A. Contraction of diaphragm
B. Contraction of external inter-costal muscles
C. Pulmonary volume decreases
D. Intra pulmonary pressure increases
A
(A) and (B)
B
(C) and (D)
C
(A), (B) and (D)
D
only (D)
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Identify the wrong statement with reference to
transport of oxygen.
A
Binding of oxygen with haemoglobin is mainly related to partial pressure of O2 .
B
Partial pressure of CO2 can interfere with O2 binding with haemoglobin.
C
Higher H+ conc. in alveoli favours the
formation of oxyhaemoglobin.
D
Low pCO2 in alveoli favours the formation of oxyhaemoglobin.
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The Total Lung Capacity (TLC) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:
A
RV; IC (Inspiratory Capacity); EC (Expiratory Capacity); and ERV
B
RV; ERV; IC and EC
C
RV; ERV; VC (Vital Capacity) and FRC (Functional Residual Capacity)
D
RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume)
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Match the following columns and select the correct option :
Column-I
Column-II
(A)Pneumotaxic Centre
(I)Alveoli
(B)O2 Dissociation curve
(II) Pons region of brain
(C)Carbonic Anhydrase
(III)Haemoglobin
(D)Primary site of exchange of gases
(IV)R.B.C.
A
(A)-(I), (B)-(III), (C)-(II), (D)-(IV)
B
(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
C
(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
D
(A)-(IV), (B)-(I), (C)-(III), (D)-(II)
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According to Central Pollution Control Board [CPCB]
what size (in diameter) of particulate is responsible for causing greater harm to human health ?
A
3.5 micrometers
B
2.5 micrometers
C
4.0 micrometers
D
3.0 micrometers
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Match the following columns and select the
correct option.
Column-I
Column-II
(A)Eosinophils
(I)Immune response
(B)Basophils
(II)Phagocytosis
(C)Neutrophils
(III)Release histaminase, destructive
enzymes
(D)Lymphocytes
(IV)Release granules containing histamine
A
(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
B
(A)-(IV), (B)-(I) (C)-(II), (D)-(III)
C
(A)-(I), (B)-(II, (C)-(IV), (D)-(III)
D
(A)-(II), (B)-(I), (C)-(III), (D)-(IV)
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The QRS complex in a standard ECG represents:
A
Repolarisation of auricles
B
Depolarisation of auricles
C
Depolarisation of ventricles
D
Repolarisation of ventricles
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Which of the following conditions cause erythroblastosis foetalis ?
A
Mother Rh+ve and foetus Rh–ve
B
Mother Rh–ve and foetus Rh+ve
C
Both mother and foetus Rh–ve
D
Both mother and foetus Rh+ve
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The increase in osmolarity from outer to inner medullary interstitium is maintained due to:
I. Close proximity between Henle's loop and vasa recta
II. Counter current mechanism
III. Selective secretion of HCO3 - and hydrogen ions in PCT
IV. Higher blood pressure in glomerular capillaries
A
Only(II)
B
(III) and (IV)
C
(I), (II) and (III)
D
(I) and (II)
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Select the correct statement:
A
Atrial Natriuretic Factor increases the blood pressure.
B
Angiotensin II is a powerful vasodilator.
C
Counter current pattern of blood flow is not observed in vasa recta.
D
Reduction in Glomerular Filtration Rate activates JG cells to release renin.
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