X Science
Magnetic & Chemical Insights: A Science Quiz
Test your knowledge with our engaging science quiz that covers a range of topics from magnetic fields to chemical reactions! This quiz is designed for students, teachers, and science enthusiasts alike. Challenge yourself and see how much you know!
- 20 thought-provoking multiple-choice questions
- Topics include physics, chemistry, and biology
- Perfect for study sessions or just for fun!
Which of the following is not true for magnetic field lines?
They are closed and continuous loops
They are directed from north pole to south pole outside the magnet
They intersect each other
Crowded field lines means stronger field
For a straight current carrying conductor, if the direction of current is upwards, then the direction of magnetic field is:
Anticlockwise
Clockwise
Vertically upwards
Vertically downwards
Direction of force on a current carrying conductor in a magnetic field can be found out using
Ampere's Swimming rule
Clock rule
Maxwell's right hand thumb rule
Fleming's left hand rule
A rectangular coil of copper wire is rotated in a magnetic field. The direction of induced current changes once in each
Two revolution
Half revolution
One revolution
One-fourth revolution
At the time of short circuit, the current in the circuit:
Reduces substantially
Doesn't change
Increases heavily
Vary continuously
The device used to convert electrical energy into mechanical energy is:
Generator
Motor
Ammeter
Transformer
The magnetic field inside a long straight solenoid carrying current
Is Zero
Decreases towards end
Increases towards end
Is the same at all points
Pick the odd oxide out :
Sulphur dioxide
Sodium oxide
Copper oxide
Calcium oxide
Which of the following will give pH less than 7 ?
Blood
Gastric juice
Sodium hydroxide
Milk of magnesia
Which one of the following compounds is a main constituent of washing powders?
Sodium chloride
Sodium hydroxide
Sodium carbonate
Bleaching powder
The natural indicator among the following is
Litmus
Methyl red
Methyl orange
Phenolphthalein
Bleaching powder is not used
For disinfecting drinking water
In manufacture of chloroform
For bleaching in textiles etc.
As cleansing agent
Which of the following indicators gives pink color in acid solution?
Litmus
Methyl orange
Phenolphthalein
Bromothymol blue
The longest cells in our body are
A) muscle cells
B) nerve cells
C) bone cells
D) blood cells
__________ is the complementary system of nervous system.
A) circulatory system
B) endocrine system
C) lymphatic system
D) skeletal system
The gland that plays a role in fight, fright and flight response is
A) pancreas
B) pituitary
C) adrenal
D) thyroid
At the synapses, the impulses are always passed from the
A) cyton to the dendrites
B) dendrites to the axon
C) either way is possible
D) axon to the dendrites
The hormone that is used to keep flowers fresh is
A) auxin
B) gibberellins
C) cytokinin
D) ethylene
The phyto hormone that speeds up the process of ripening is
A) auxin
B) abscisic acid
C) cytokinin
D) ethylene
It's responsible for precision of voluntary actions and maintaining the posture and balance of the body.
A) cerebrum
B) cerebellum
C) medulla oblongata
D) hypothalamus
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