Questions

China blocked wikipedia in all languages recently in May 2019.

Magnetism in materials is due to circular motion of electrons.

Bachendri Pal, an employee of Tata Iron and Steel Co. Ltd at Jamshedpur, became the first Indian and the fifth woman in the world to reach the summit of Mt. Everest on May 23, 1984.

Elvis Presley

Allows for expansion or contraction of the trachea. Hence, so large masses of food can pass through the esophagus during swallowing.

Salts and sugars work to preserve foods by creating a Hypertonic environment.

The statements true about viruses are :

1. The capsid enters the host cell if the virus is enveloped.

2. Enveloped viruses bud from the host cell. 

3. HIV contains reverse transcriptase.

4. A retrovirus contains RNA.