Moderate 940 likes

Question

The two reflex actions, namely sneezing and coughing help in avoiding danger – justify the statement.

WBBSE Class X Life Science 01 (d) Nervous System 02 Mark 2023

Answer

Sneezing and coughing are reflex actions that clear dust, germs, and other harmful particles from the respiratory tract, protecting the body from infection or injury.

Related Questions

More WBBSE Moderate level questions

1/12
Moderate
528
Q. Explain the following two terms: Ganglia and Synapse.
A. Ganglia: Ganglia are clusters of nerve cell bodies located outside the central...
Moderate
814
Q. Write one function of each of the following five parts of the human eyeball: (a)...
A. Part Function Cornea Refracts (bends) light entering the eye onto the lens....
Moderate
798
Q. What is the relation between the lens and the accommodation of the eye?
A. The lens changes its shape to focus objects at different distances on...
Moderate
857
Q. Match the words in column-A with the most appropriate words in column B and re-write...
A. Column A Column B 1. Meninges (e) Protects brain and spinal cord...
Moderate
834
Q. Which reflex actions does a spectator execute while watching a high voltage game on television?
A. A spectator watching a high voltage game may exhibit reflex actions such...
Moderate
936
Q. Compare between Myopia and Hyperopia on the following two features: (a) Cause (b) Symptom
A. Feature Myopia (Nearsightedness) Hyperopia (Farsightedness) Cause Eye ball is too long; light...
Easy
901
Q. Write two differences between axon and dendron.
A. Axon Dendron 1. Single, long process in a neuron. 1. Several, short...
Moderate
Q. How does a person perform the process of visual accommodation while walking on road?
A. Accommodation is the ability of the eyes to focus the image of...
Moderate
Q. Establish the relationship between neuron, nerve fiber and nerve
A. A neurone or nerve cell with its processes is the structural and...
Moderate
820
Q. Which of the following are the refractive media of the eye? (a) Cornea, aqueous humour,...
A. (a) Cornea, aqueous humour, lens, vitreous humour Explanation: The refractive media of...
Moderate
757
Q. Write one function each of the following five parts of a neuron
A. Part of Neuron Function Dendron Receives signals from other neurons Axon Conducts...
Moderate
551
Q. Draw a scientific diagram of neuron and label the following parts: [3+2=5]
A. Label Diagram of Neuron OR Label diagram of eukaryotic chromosome