List of top Science Questions

A common unisexual male flower doesn’t have:
Draw a ray diagram in order to obtain a virtual image of an object by a concave mirror. Write down any one use of this mirror.
The principle of organic evolution was propounded by:
On burning, fossil fuel gives:
Which of the following pair is used in the reaction of photosynthesis?
Insulin is secreted by:
On going down a group, the size of an atom increases because:
The pH value of pure water remains:
The functional group in Aldehyde is:
The chemical formula of Plaster of Paris is:
The IUPAC name of \( \text{CH}_3\text{CH}_2\text{OH} \) is:
Which of the following is a combustion reaction?
Which of the following is a producer?
Which of the following statements is false?
Write an essay on Sexual Reproduction in Flowering Plants
In which of the following mirrors, the field of view is maximum?
If electric power and resistance are expressed as \( P \) and \( R \) respectively, then electric current is expressed as:
What is the total resistance of two resistors, \( R \) and \( 2R \), when they are connected in parallel?
The number of turns is increased by \( n \) times in a current-carrying circular coil. Then the magnetic field at the center of the coil is:
Power of a lens is -2.5 D. The focal length and nature of the lens is:
Speed of light in medium (1) and medium (2) are \( v_1 \) and \( v_2 \) respectively, then the refractive index of medium (1) with respect to medium (2) is:
Give an account of post-fertilization changes in an angiospermic plant.
Describe the male reproductive system of humans.
Write the electronic configuration of chlorine (atomic number 17). Explain its position in the periodic table and write its valency.
Describe Mendel's Laws.