Questions

Which of the following trees shed their leaves once in a year?

In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.

Tipu Sultan was also known as the Lion of _____ ?

A Sonar of a ship sends sounds waves of speed 1000 m/s. These waves are reflected back by the ocean floor in 2 seconds. Find the depth (in m) of theocean floor. 

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Fritter

Who invented Pentium Chip?

Who discovered Antarctica?