List of top Science Questions

The pattern of the magnetic field produced inside a current carrying solenoid is :
The lens system of human eye forms an image on a light sensitive screen, which is called as :
A stomata closes when :
(i) it needs carbon dioxide for photosynthesis.
(ii) it does not need carbon dioxide for photosynthesis.
(iii) water flows out of the guard cells.
(iv) water flows into the guard cells.
The correct reason(s) in this process is/are :
In a nerve cell, the site where the electrical impulse is transmitted to the next neuron is called:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
The reaction given above is a redox reaction because in this case:
Oxides of aluminium and zinc are :
Consider the following compounds:
FeSO4 ; CuSO4 ; CaSO4 ; Na2CO3
The compound having the maximum number of water of crystallisation in its crystalline form in one molecule is:
Carbon compounds :
(i) are good conductors of electricity.
(ii) are bad conductors of electricity.
(iii) have strong forces of attraction between their molecules.
(iv) have weak forces of attraction between their molecules.
The correct statements are :
A metal and a non-metal that exists in liquid state at the room temperature are respectively :

Write short notes on:
Mendel’s Laws

Write short notes on:
Sex Determination

Write short notes on:
Human Heart

Write short notes on:
Photosynthesis

Write short notes on:
Versatile Nature of Carbon

Write short notes on:
Corrosion

Write short notes on:
Micelle

Write IUPAC names of:
Acetic Acid

Write IUPAC names of:
Acetylene

Write short notes on:
Heterotrophic nutrition

Write short notes on:
Growth hormones in humans

Write short notes on:
Geotropism in plants

Write short notes on:
Ozone layer

Write short notes on:
Ecosystem

Write one example on:
Budding

Write one example on:
Regeneration