Similar cells organized into groups and performing same functions are known as; 

Which of the following group includes organisms all of which are absorptive in their nutrition? 

Which of these major bio elements is in the highest percentage in protoplasm? 

Which one will be the correct sequence of the levels of organization of life? 

If a scientist is studying the methods of inserting human insulin genes in bacteria, which branch of biology may this be? 

Members of the same species living in the same place at the same time make a; 

Which of the following is a good radiator of heat

Land breezes blows from

Rooms are heated using gas heaters by

False ceiling is done to

Convention of heat is the process of heat transfer due to

In gases, heat s mainly transferred by

Metals are good conductors of heat due to

What happens to the thermal conductivity of a wall if its thickness is doubled

In solids, heat is transferred by

Which of the following affects evaporation?

A large water reservoir keeps the temperature of nearby land due to 

What will be the value of $\beta$ for a solid for which $\alpha$ has a value of $2 \times 10^{-5} \ K^{-1}$?

Which of the following material has a large value of temperature coefficient of expansion?

Which of the following material has large specific heat?

Mercury is used as thermometric material because it has

Normal human body temperature is

Water freezes at:

Which graph gives the largest value of the string constant?

Which graph gives the smallest value of a string constant?