List of top Science Questions

Describe co-ordination in plants with examples.
Describe the digestive system of human with diagram.
(ii) Write chemical reaction for manufacture of bleaching powder and its two applications.
What are the trophic levels? Give an example of a food chain and state the different trophic levels in it.
(ii) Why fuse is used in domestic electrical circuits?
ii) Write IUPAC names for the following compounds:
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(iii) State the law to find the direction of magnetic field produced due to straight current carrying wire.
(i) Draw magnetic lines of force due to a current carrying solenoid.
(i) Explain Corrosion. Write its two examples.
(i) State Ohm's law. What will be the value of current and potential difference at the ends of each resistance in the given circuit?
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(ii) What do you understand by the heating effect of electric current? In a heater of resistance \(10 \, \Omega\), a current of \(15 \, \text{A}\) is flowing for 30 minutes. What will be the amount of heat produced in the heater?
(i) Clarify the meaning of power of accommodation of eye lens of human eye. Where is the image formed by the eye lens?
(i) Mention any two properties of magnetic field lines.
(ii) Mention two factors which affect the magnetic field produced by a straight current carrying conductor.
Which of the following is top carnivore?
Physical factor of ecosystem is:
Which of the following is an animal hormone?
The technique of producing many plants from a single plant under infection-free condition is called—
Chlorophyll is important
Formula for Baking Soda is:
Unsaturated hydrocarbon from the following is:
The bond in diatomic molecule of Nitrogen is:
Dialysis is related to:
A six carbon molecule, Glucose is broken down into a three carbon molecule, Pyruvate. This process takes place:
Homologous series among the following is: