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 Mains
MCQ (Single Correct Answer)
+4
-1
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
A
One can breathe out air totally without oxygen.
B
One can breathe out air through Eustachian tube by closing both nose and mouth.
C
One can consciously breathe in and breathe out by moving the diaphragm alone, without moving the ribs at all.
D
The lungs can be made fully empty by forcefully breathing out all air from them.
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as
A
bicarbonate in blood plasma and RBCs
B
free CO2 in blood plasma
C
70% carbamino-haemoglobin and 30% as bicarbonate
D
carbamino-haemoglobin in RBCs.
3
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.
4
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
NEET Subjects