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Saturday, 9 April 2016

CONTROL AND COORDINATION HOTS: (High Order Thinking Skill) Questions with Answers

                        CONTROL AND COORDINATION
HOTS: (High Order Thinking Skill) Questions with Answers:

Q.1) On touching a hot plate, you suddenly withdraw your hand. Which category of neurons became active first and which one next?

Q.2) Give one example of plant part.

a. Which is positively hydrotropic as well as positively geotropic.
b. Which is positively phototropic but negatively geotropic.

Q.3) What name is given to the microscopic gap between two adjacent neurons?


Q.4) If we step on something sharp accidently we move our foot away at once .what is this type of response known as?


Q.5) A part of the hind brain makes possible activities like walking, skating, riding a bicycle and picking up a pencil.name this part of the hind brain.


Q.6) The neck of a person appears to be swollen.

a. Name the disease this person suffering from.
b. Name the mineral whose deficiency in the diet causes this disease.

Q.7) Name the plant hormone:

(a) which inhibits growth and causes wilting of leaves.
(b) which promotes cell division.

Q.8) Taking the example of heart beat, justify the antagonistic action of the sympathetic and the parasympathetic nerves.


Q.9) Why is abscisic acid known as stress hormone in plants?


Q.10) Name the part of neuron

(a) where information is acquired.
(b) through which information travels as an electrical impulse.

Q.11) How does the plant shoot bends, when the plant is placed in a room having only one open window?


Q.12) Who transmits nerve impulse across the synapse?


Q.13) Give a reason to explain why

(a) adrenaline helps in dealing emergency situations?
(b) secretions of growth hormone should be specific in the human body?

Q.14) Why do leaves drop off seasonally?


Q.15) Give reason why endocrine glands release their secretions into the blood?



To get solution of these questions click here...............solution
sharma sir,scceducation,chemistry ,9718041826,free notes,free cbse study material,ncert solution,
sharma sir,scceducation,chemistry ,9718041826,free notes,free cbse study material,ncert solution,
 CONTROL AND COORDINATION HOTS: (High Order Thinking Skill) Questions with Answers
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