Maximum density of dopamine and nor-adregenic receptor occurs at (1) Cerebellum (2) Cerebellem (3) Medulla oblongata (4) Spinal cord Introduction Dopamine and noradrenaline (norepinephrine) are key catecholamine neurotransmitters involved […]
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CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
How Are Nerves Connected? Understanding Neurotransmitters and Synaptic Communication
Nerves are connected to each other by (1) hormone (2) neurotransmitter (3) bones (4) muscles Introduction The human nervous system is a sophisticated network of billions of neurons, each […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
What Does Not Directly Affect Nerve Impulse Propagation? Understanding Influential and Non-Influential Factors
A nerve impulse is the electric signals that pass along the dendrites to generate a nerve impulse or an action potential. Transfer of impulse across the nerve fibres is not […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Why Is Nerve Impulse Propagation Always Unidirectional? The Role of Chemical Synapses
There is always unidirectional flow of nerve impulse because- (1) Chemical synapsis (2) Myelin sheath (3) Interneurons (4) Membrane polarity Introduction Nerve impulses—action potentials—always travel in a single direction […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Ion Flow Through Acetylcholine Receptors During Nerve Stimulation: Sodium and Potassium Dynamics Explained
During nerve stimulation when acetyl choline binds its receptors, there is (1) In flow K+ ions (2) In flow of Na+ (3) In flow of K+ ions and outflow of […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
What Happens to Neurons When Potassium Is Removed? Understanding Ionic Movement and Neuronal Physiology
What would be net effect if we remove K+ from the surrounding of neurons? (1) Influx of K+ (2) efflux of K+ (3) Influx of Na+ (4) Efflux of Na+ […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Chemical Properties and Distribution of Respiratory Pigments in Animals: Identifying Incorrect Statements
Following statements are made about the chemical properties and distributions of the respiratory pigments found in animals: A. Hemoglobins are the most common and widespread respiratory pigments in vertebrates and […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
The Glucose Attachment Site in Hemoglobin A1c: Understanding Its Role in Diabetes Monitoring
Hemoglobin A1c (HbA1c) from diabetic mellitus individuals has a glucose molecule attached to which one of the terminal amino acid residues of globin chain? (1) Lysine of each α chain […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Understanding the Composition of Atmosphere in Sealed Spacecraft: Safety and Efficiency in Space Missions
The atmosphere in sealed space craft contains (1) pure oxygen (2) a mix of oxygen and nitrogen (3) mix of oxygen and carbon dioxide (4) pressurized atmospheric air available normally […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Which Oxygen Binding Step to Hemoglobin is the Fastest? Understanding the Kinetics of Hemoglobin-Oxygen Interactions
One hemoglobin molecule containing four heme groups can bind with four O2. The reactions of Hb and O2 are shown below. Which one of the following reactions is fastest? (1) […]
