Questions

Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions.

• Important nutrients are Hydrogen, Carbon and Oxygen.

• Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium. 

Light travels Faster than Sound.

Light :

1. Light doesn't require a medium to travel.

2. It travels in the vaccum with the speed of 1,86,000 miles per second.

Sound:

1. Sound rquire a medium.

2. It travels in the Air with the speed of 340 meters per second.

3. It travels Faster in Water than in Air.

4. It travels Faster in Steel than in Water. 

Tehri dam is located on the river Bhagirathi.

• It is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India.

• It is the primary dam of the THDC India Ltd. and the Tehri hydroelectric complex.

Madurai is one of the major cities in the Indian State of Tamil Nadu. It is the 25th most populated city in India, located on the banks of River Vaigai.

In the Indian history, Madurai was the capita of Pandyas.

Achal Kumar Jyoti (64), a retired 1975 IAS Officer batch of Gujarat Cadre, is the newly appointed Chief Election Commissioner (CEC), who took over as the head of the Election Commission in New Delhi on today. He succeeded Dr Nasim Zaidi. Jyoti will continue as the Chief Election Commissioner till January 17, 2018. Prior to this appointment, he was Election Commissioner of India. A CEC or an EC can have a tenure of six years or hold office till the age of 65 years, whichever is earlier.