Questions

Galvanised iron sheets have a coating of zinc.

In the given options, a high-fat diet is the only factor that contributes to hypertension.

Biological Control: This method is very effective. One pest is destroyed by another organism. For example the aphids are killed by lady beetle. The prickly pear is eradicted by cochineal insect. Here the advantage is, one does not use harmful chemicals which may get into the host plants.

The first talkie film in India was Ardeshir Irani released Alam Ara, on 14 March 1931.

Irani later produced the first south Indian talkie film Kalidas directed by H.M. Reddy released on 31 October 1931.

Human eye resolution is 576 Mega Pixels approximately.

Here 6CO2 + 6H2O -----> C6H12O6 + 6O2 is the only option which best summarizes photosynthesis. We know that, photosynthesis is the reverse of cellular respiration in that carbon dioxide is used with water to form sugar, and oxygen is released.