The range of a clinical thermometer is

Describe the construction of a laboratory thermometer.

Choose the correct answer from the alternatives given :
For measuring very high temperature, we use

State four reasons for using mercury as a thermometric liquid.

Draw a neat labelled diagram of a laboratory thermometer.

State whether given statement is True or False
The upper standard point of a thermometer is 273 K

Give an example of a parasitic plant with yellow, slender and tubular stem

Show with the help of a sketch that the plants are the ultimate source of food. 

In photosynthesis solar energy is captured by the pigment called ___

Which part of the plant takes in carbon dioxide from the air for photosynthesis?