50 1-Line Quick Revision Flashcards + Text Maps (Strictly NCERT Class 10)
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Section 1: Introduction to Control and Coordination
CARD 1
Q: What is the main purpose of control and coordination in organisms?
A: To help organisms safely respond to environmental changes around them.
CARD 2
Q: Define 'Stimulus'. Give two examples.
A: Any change in the environment to which an organism responds (e.g., Heat, Light).
CARD 3
Q: Name the two systems that control and coordinate the human body.
A: 1. Nervous System (Nerves/Brain) | 2. Endocrine System (Hormones).
CARD 4
Q: What are Receptors and where are they located?
A: Specialized tips of nerve cells that detect environmental changes, located in our sense organs.
CARD 5
Q: State the functions of Gustatory and Olfactory receptors.
A: Gustatory receptors detect Taste (Tongue); Olfactory receptors detect Smell (Nose).
Section 2: Neuron and Nervous Tissue
DIAGRAM 1: STRUCTURAL FLOW OF A NEURON & IMPULSE TRANSMISSION
Dendrite (Receives Signal) ──> Cell Body ──> Axon (Long Part) ──> Axon Terminal ──> [Synapse Gap] ──>
CBSE Class 10 Biology: Control & Coordination Quick Flashcards Page 1 of 8
, CARD 6
Q: What is a Neuron?
A: The structural and functional unit of the human nervous system.
CARD 7
Q: Name the three main parts of a neuron.
A: 1. Dendrite, 2. Cell Body, and 3. Axon.
CARD 8
Q: What is the exact path of an electrical impulse in a neuron?
A: Dendrite → Cell Body → Axon → Axon Terminal.
CARD 9
Q: Where is a nervous signal first acquired in a nerve cell?
A: At the specialized dendritic tip.
CARD 10
Q: What is a Synapse?
A: The tiny gap between the axon terminal of one neuron and the dendrite of the next.
CARD 11
Q: How does a signal cross the gap of a synapse?
A: The electric impulse releases chemicals that drift across the gap to start a new impulse.
CARD 12
Q: Name the three types of neurons based on their function.
A: 1. Sensory Neurons, 2. Motor Neurons, and 3. Relay Neurons.
CARD 13
Q: What do Sensory and Motor neurons do?
A: Sensory carry signals to the brain/spinal cord; Motor carry action commands back to muscles.
CBSE Class 10 Biology: Control & Coordination Quick Flashcards Page 2 of 8