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Q 01 / 25
Reflex actions are automatic and involuntary responses to stimuli.
Q 02 / 25
The spinal cord controls voluntary actions in the human body.
Q 03 / 25
Plant hormones are essential for control and coordination in plants.
Q 04 / 25
Adrenaline increases heart rate during stressful situations.
Q 05 / 25
Tropic movements in plants are directional responses to stimuli.
Q 06 / 25
The cerebellum does not control posture and balance of the body.
Q 07 / 25
Human nervous system consists of brain, spinal cord, and nerves.
Q 08 / 25
Insulin hormone helps in increasing blood sugar level.
Q 09 / 25
Reflex arc includes receptor, sensory neuron, spinal cord, motor neuron and effector.
Q 10 / 25
Coordination in animals occurs only through the nervous system.
Q 11 / 25
The brain can be divided into forebrain, midbrain, and hindbrain.
Q 12 / 25
Gibberellin is a plant hormone responsible for cell elongation.
Q 13 / 25
Coordination is not required in unicellular organisms.
Q 14 / 25
Thyroid gland secretes hormone thyroxine controlling metabolism.
Q 15 / 25
The forebrain is mainly responsible for thinking and voluntary actions.
Q 16 / 25
Reflex actions are faster than voluntary actions.
Q 17 / 25
Auxin is a plant hormone that promotes cell division.
Q 18 / 25
Stomatal opening is controlled by brain signals.
Q 19 / 25
Coordination in plants is achieved through chemical means only.
Q 20 / 25
The pituitary gland is called the master gland.
Q 21 / 25
Dendrites receive electrical signals in a neuron.
Q 22 / 25
Phototropism is movement of plants in response to water.
Q 23 / 25
Hormones are produced in specialized cells and transported by blood.
Q 24 / 25
Sensory neurons carry impulses from receptors to the brain and spinal cord.
Q 25 / 25
Nerve impulses travel as electrical signals and not chemical signals.
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