Botany
Cell - The Unit of Life
MCQ (Single Correct Answer)
Cell Cycle and Cell Division
MCQ (Single Correct Answer)
Sexual Reproduction in Flowering Plants
MCQ (Single Correct Answer)
Microbes in Human Welfare
MCQ (Single Correct Answer)
Anatomy of Flowering Plants
MCQ (Single Correct Answer)
Transport in Plants
MCQ (Single Correct Answer)
Respiration in Plants
MCQ (Single Correct Answer)
Biotechnology: Principles and Processes
MCQ (Single Correct Answer)
Biodiversity and Conservation
MCQ (Single Correct Answer)
Biological Classification
MCQ (Single Correct Answer)
Morphology of Flowering Plants
MCQ (Single Correct Answer)
Photosynthesis in Higher Plants
MCQ (Single Correct Answer)
Principles of Inheritance and Variation
MCQ (Single Correct Answer)
Strategies for Enhancement in Food Production
MCQ (Single Correct Answer)
Biotechnology and It's Applications
MCQ (Single Correct Answer)
Organisms and Populations
MCQ (Single Correct Answer)
Environmental Issues
MCQ (Single Correct Answer)
Zoology
Human Health and Diseases
MCQ (Single Correct Answer)
Body Fluids and Its Circulation
MCQ (Single Correct Answer)
Neural Control and Coordination
MCQ (Single Correct Answer)
Reproduction in Organisms
MCQ (Single Correct Answer)
Structural Organisation in Animals
MCQ (Single Correct Answer)
Excretory Products and Their Elimination
MCQ (Single Correct Answer)
Chemical Coordination and Integration
MCQ (Single Correct Answer)
Human Reproduction
MCQ (Single Correct Answer)
Breathing and Exchange of Gases
MCQ (Single Correct Answer)
1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
A
acts as a reserve during muscular exercise
B
raises the pCO2 of blood to 75 mm of Hg.
C
is enough to keep oxyhaemoglobin saturation at 96%
D
helps in releasing more O2 to the epithelial tissues.
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. AIPMT 2011 Prelims Biology - Breathing and Exchange of Gases Question 22 English
A
D : capillary wall - exchange of O2 and CO2 takes place here
B
B : red blood cells - transport of CO2 mainly.
C
A : alveolar cavity - main site of exchange of respiratory gases
D
C : arterial capillary - passes oxygen to tissues
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Listed below are four respiratory capacities (i $$-$$ iv) and four jumbled respiratory volumes of a normal human adult.

Respiratory
capacities
Respiratory
volumes
(i) Residual volume 2500 mL
(ii) Vital capacity 3500 mL
(iii) Inspiratory reserve
volume
1200 mL
(iv) Inspiratory capacity 4500 mL

Which one of the following is the correct matching of two capacities and volumes?
A
(ii) 2500 mL,   (iii) 4500 mL
B
(iii) 1200 mL,   (iv) 2500 mL
C
(iv) 3500 mL,   (i) 1200 mL
D
(i) 4500 mL,   (ii) 3500 mL
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
What is true about RBCs in humans?
A
They carry about 20-25 percent of CO2.
B
They transport 99.5 percent of O2.
C
They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma
D
They do not carry CO2 at all.
NEET Subjects