Explain the role of Na+ in the generation of action potential.
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Give a brief account of Mechanism of synaptic transmission.
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Write short notes on the following:
(a) Neural coordination (b) Forebrain (c) Midbrain (d) Hindbrain (e) Synapse
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Draw labelled diagrams of the following:
(a) Neuron (b) Brain
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Explain the following processes:
(a) Polarisation of the membrane of a nerve fibre
(b) Depolarisation of the membrane of a nerve fibre
(c) Transmission of a nerve impulse across a chemical synapse
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Compare the following:
(a) Central neural system (CNS) and Peripheral neural system (PNS)
(b) Resting potential and action potential
01/11/2024
Biology
11th (Science)
Neural Control and Coordination
Briefly describe the structure of the Brain.
01/11/2024
Biology
11th (Science)
Water : A Precious Resource
Which of the following does not show water shortage?
(a) Taps running dry.
(b) Long queues for getting water.
(c) Marches and protests for demand of water.
(d) A family gets three buckets of water per person per day.
31/10/2024
Science
7th
Light
You are given three mirrors of different types. How will you
identify each one of them?
31/10/2024
Science
7th
Light
It was observed that when the distance between an object and
a lens decreases, the size of the image increases. What is the
nature of this lens? If you keep on decreasing the distance
between the object and the lens, will you still able to obtain
the image on the screen? Explain.