Nervous System in Animals (Reflex Action, Brain) MCQs
Practice Nervous System in Animals (Reflex Action, Brain) multiple-choice questions from Control and Coordination (Class 10 Science) - tap an answer for instant feedback and a step-by-step solution. Practice the full set free on the RankByte app.
Nervous System in Animals (Reflex Action, Brain)Quiz - Solve & Score
Q1. When the leaves of a touch-me-not (sensitive) plant are touched, they fold up quickly. What causes this rapid movement?
- A.A sudden change in the water content (turgor) of the cells at the base of the leaves
- B.A thermal (heat) effect from the touch
- C.An electromagnetic effect
- D.Rapid cell division at the leaf base
Answer: A. A sudden change in the water content (turgor) of the cells at the base of the leaves
Q2. When we perform an action like reading or talking, our nervous system sends messages to the muscles. Which part carries these messages from the central nervous system to the muscles?
- A.The motor (efferent) nerves of the peripheral nervous system
- B.The sensory (afferent) nerves only
- C.The blood vessels
- D.The bones of the skeleton
Answer: A. The motor (efferent) nerves of the peripheral nervous system
Q3. When we perform an action like writing or talking, our nervous system sends messages to the muscles. Which structures carry these messages from the central nervous system to the muscles?
- A.Motor nerves (part of the peripheral nervous system)
- B.Sensory nerves only
- C.Blood vessels
- D.The bones
Answer: A. Motor nerves (part of the peripheral nervous system)
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