Two systems are said to be in thermal equilibrium if and only if :

The SI unit of mechanical power is :

Dengue virus is known to cause low platelet count in blood of patient by :

1. interfering in the process of platelet production in bone marrow
2. infecting endothelial cells
3. binding with platelets
4. accumulating platelets in intestine

Select the correct answer using the code given below :

The Germplasm is required for the propagation of plants and animals. Germplasm is the :

1. genetic resources
2. seeds or tissues for breeding
3. egg and sperm repository
4. a germ cell's determining zone

Select the correct answer using the code given below :

Methyl Isocyanate gas, which was involved in the disaster in Bhopal in December 1984, was used in the Union Carbide factory for production of :

The handle of pressure cookers is made of plastic because it should be made non-conductor of heat. The plastic used there is the first man-made plastic, which is :