A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km East of the point where he was standing. He had no instrument to find the direction but he located the pole star. The most convenient way now to reach his village is to walk in the

Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one o…

Which of the following statements is true regarding earth movement? 1. Earth rotates on its axis from west to east resulting into seasonal changes. 2. Earth revolution around sun results into occurre…

Consider the following statements about some planets in the solar system: 1. Mercury has no atmosphere. 2. Venus has two moons. 3. There is no land on Jupiter. 4. Rings of Saturn are composed of lump…

Consider the following statements regarding asteroids : 1. Asteroids are rocky debris of varying sizes orbiting the sun 2. Most of the asteroids are small but some have diameter as large and 1000 km…

Which one of the following conditions is most relevant for the presence of life on Mars?