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When you smell a favourite food your mon...

When you smell a favourite food your month begins to water (that is, you secrete saliva). Write down that the following are examples of:
(a) the smell of the food
(b) the cells in your nasal passages which perceive the smell
(c) the gland which is stimulated to stimulated to secrete saliva.

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The correct Answer is:
(a) Stimulus (b) Receptors (Olfactory receptors) (c) Effector (Salivary gland)
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When food is put in our mouth, the teeth cut, chew and grind it. The glands A present in mouth secrete a watery liquid B which helps to digest component C present in the food partially. This partially digested food then passes through tube D into an organ E. The inner walls of organ E secrete mucus, hydrochloric acid and digestive juices. What is C?

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When food is put in our mouth, the teeth cut, chew and grind it. The glands A present in mouth secrete a watery liquid B which helps to digest component C present in the food partially. This partially digested food then passes through tube D into an organ E. The inner walls of organ E secrete mucus, hydrochloric acid and digestive juices. What is A?

When food is put in our mouth, the teeth cut, chew and grind it. The glands A present in mouth secrete a watery liquid B which helps to digest component C present in the food partially. This partially digested food then passes through tube D into an organ E. The inner walls of organ E secrete mucus, hydrochloric acid and digestive juices. What is D?

LAKHMIR SINGH & MANJIT KAUR-CONTROL AND COORDINATION -Exercise
  1. What does CNS stand for ? Which part of CNS: (a) consists of two cereb...

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  2. Which hormone: (a) prepares the body for action? (b) controls the ...

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  3. When you smell a favourite food your month begins to water (that is, y...

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  4. (a) Name the structural and functional unit of nervous system. (b) D...

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  5. (a) What is a reflex action? Explain with the help of an example. (b...

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  6. (a) What is the function of our nervous system ? (b) What are the ma...

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  7. (a) What is a neuron? Draw a labelled diagram of a neuron. (b) What ...

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  8. (a) Name two systems which taken together perform the functions of con...

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  9. (a) Write the names of five endocrine glands found in the human body. ...

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  10. A cell (or group of cells) in a sense organ which is sensitive to a pa...

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  11. Which of the following cannot be considered a receptor?

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  12. One of the following acts as an endocrine gland as well as an exocrine...

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  13. Which of the following helps in maintaining posture and balance of the...

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  14. The number of pairs of nerves which arises from the spinal cord is:

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  15. Cerebellum, medulla and pons are the parts of:

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  16. Which of the following are cerebral reflexes? (i) a person pulls aw...

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  17. Iodine in necessary for the synthesis of which of the following hormon...

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  18. Which of the following is a mis-matched pair?

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  19. One of the following is an incorrect statement about insulin. This is:

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  20. The spinal cord orginates from:

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