Basic Science T...

The Golgi bodies very common in the secretory cells are originated from __________.

Which of the following is/are the example/examples of chemical change?
1. Crystallisation of sodium chloride
2. Melting of ice 
3. Souring of milk 

The motion of a car along a straight path is shown by the following figure.
The car starts from $$O$$ and reaches at $$A$$, $$B$$ and $$C$$ at different instants of time. During its motion from $$O$$ to $$C$$ and back to $$B$$, the distance covered and the magnitude of the displacement are respectively

Consider the following statements.
(1) All plane angles are measured in radian.
(2) All the solid angles are measured in steradian.
Which of the following statements given above is/are correct?

Which one of the following is an example of chemical change?

The yellow and orange colour of fruits and flowers are mainly due to ___________.

Which of the following represent a chemical change?
1. Magnetisation of iron.
2. Condensation of liquid.
3. Burning of fuel. 
4. Rusting of iron.
Select the correct answer using the codes given below.

Which one of the following is not a chemical change ?

Which one among the following is an example of chemical change?

How many cells and meiosis are needed to produce $$200$$ cells?