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DSC - Science मॉक टेस्ट

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नमूना प्रश्न

DSC Science
In the human digestive system, where does the majority of nutrient absorption take place?
A Stomach
B Large intestine
C Small intestine
D Oesophagus
Class 10 Science
The tendency of a generator to rotate in the opposite direction when the armature starts rotating in a magnetic field is due to:
A Induced current that opposes the change causing it
B Friction in the bearings
C Heating of the armature coil
D Magnetic attraction between the poles
Class 10 Science
When ethanol is treated with alkaline potassium permanganate (KMnO₄), it is converted to:
A Ethane
B Ethanal
C Ethanoic acid
D Ethene
Class 10 Science
Which of the following is an exothermic reaction?
A Electrolysis of water
B Decomposition of silver chloride
C Combustion of natural gas
D Photosynthesis
Class 7 Science
In plants, what is the loss of water from leaves in the form of water vapour called?
A Photosynthesis
B Transpiration
C Respiration
D Germination
Class 8 Science
Which of the following is the correct order of petroleum fractions from highest to lowest boiling point?
A Petrol, Kerosene, Diesel, Bitumen
B Bitumen, Diesel, Kerosene, Petrol
C Diesel, Bitumen, Petrol, Kerosene
D Kerosene, Petrol, Bitumen, Diesel
Class 8 Science
Which of the following forces acts between charged objects without physical contact?
A Frictional force
B Gravitational force
C Electrostatic force
D Magnetic force
Class 7 Science
Which indicator turns red in acidic solution and blue in basic solution?
A Turmeric
B Litmus
C China rose
D Phenolphthalein

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