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Question 1
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Medulla oblongata is situated in ___________.
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Question 2
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erebral hemispheres are centres of __________.
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Question 3
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The cells in our body that can be over a foot long are _____.
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Question 4
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The hormone that causes blood sugar level to fall is _______________.
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Question 5
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Gastrin is hormone produced by mucosa of pyloric region of the
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Question 6
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Endocrine glands are those which pour their secretions into _________________.
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Question 7
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Growth hormone is produced in ___________.
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Question 8
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Inside of neuron, membrane is made more negative by
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Question 9
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The substance that accelerates the growth in the stem is ____.
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Question 10
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Measure of capacity to do electrical work is called
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Question 11
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Cerebrum is present in the _______________.
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Question 12
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Release of corticotrophin releasing factor is controlled by nervous stimulation of hypothalamus as a result of
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Question 13
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Auxins are _________________.
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Question 14
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The hormone that speeds up the ripening process is ______.
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Question 15
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Hormone produced by the ovarian follicle is __________ and in addition ________ is produced by the corpus luteum.
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Question 16
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Of these, the most ductile metal is ___________.
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Question 17
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Which of the following metals is extracted only by electrolysis?
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Question 18
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During electrolytic refining of zinc, it gets
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Question 19
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All materials shown property of malleability expect
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Question 20
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Of these, the metal which occurs in a free state is ___________.
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Question 21
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The solution of ash of magnesium ribbon is-
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Question 22
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Which of the following is displaced by 'Cu'?
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Question 23
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Which metal reacts less vigorously with water?
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Question 24
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Which of the following metals does not displace H2 gas from dilute HCl or dilute H2SO4?
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Question 25
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The metal reacting readily with cold water is ___________.
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Question 26
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The liquid Non metal is?
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Question 27
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Which one of the following metal reacts vigorously with oxygen and water?
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Question 28
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An alloy is
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Question 29
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What happens when iron fillings are added to dilute hydrochloric acid?
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Question 30
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The metal that form Amphoteric oxide is?
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Question 31
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Two supplementary angles are in the ratio 3:2. The angles are
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Question 32
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I. 84x^2 + 115x + 26 = 0
II. 27y^2 + 36y – 15 = 0
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Question 33
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Given that sin A=1/2 and cos B=1/√2 then the value of (A + B) is:
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Question 34
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Question 35
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I. 36x^2 – 196x – 11 = 0
II. 6y^2 – 12y – 378 = 0
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Question 36
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Question 37
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Find the value of: [sin(90° - a) - cos a + tan (90 - a) + tan a], if a = 45°
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Question 38
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I. x^2 – 4 (√2 + √5) x + 16√10 = 0
II. y^2 – 5(√3 + 2√2) y + 50√6 = 0
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Question 39
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Question 40
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I. 8x^2 + 29x + 26 = 0
II. 11y^2 + 39y + 18 = 0
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Question 41
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I. 24x^2 + 25x – 11 = 0
II. 45y^2 + 36y + 7 = 0
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Question 42
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sin θ = 4/3 for some angle θ, is :
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Question 43
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If (cotA – tan A)/2 = x, then the value of x is
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Question 44
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I. x^2 + 9x – 52 = 0
II. 12y^2 + 16y + 4 = 0
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Question 45
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If sec θ – tan θ = 1/3, the value of (sec θ + tan θ)
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Question 46
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The magnetic field lines due to a straight wire carrying a current are
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Question 47
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An electric current passes through a straight wire in the direction of south to north. Magnetic compasses are placed at points A and B as shown in the figure.
What is your observation?
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Question 48
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An electric generator actually acts as
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Question 49
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The magnetic field of a solenoid is quite similar to that of
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Question 50
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The direction of the force on a current-carrying wire placed in a magnetic field depends on
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Question 51
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In our domestic electric supply we use following three colours of wire.
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Question 52
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The magnetic field produced due to the current passing through a conductor is proportional to the _______.
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Question 53
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Who was the first person to notice the magnetic effect of electric current ?
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Question 54
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You have a coil and a bar magnet. You can produce an electric current by
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Question 55
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A charged particle experiences magnetic force in the presence of magnetic field. Which of the following statement is correct?
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Question 56
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The magnetic lines of force inside a current carrying solenoid are
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Question 57
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A device used for measuring small currents due to changing magnetic field is known as
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Question 58
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A magnetic field line is used to find the direction of
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Question 59
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The insulation cover on the earth wire is _______.
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Question 60
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Electromagnetic induction is the