Question 91 After sun, nearest star to earth is called? A) Proxima centauri B) Little dipper C) Polaris D) North star No Details
Question 92 Time which earth takes to complete its one revolution is? A) 365 1/4 days B) 365 days C) 28 days D) 29 days No Details
Question 94 Time which sunlight takes to reach earth is? A) an hour B) 30 minutes C) 20 minutes D) 8 minutes No Details
Question 97 At night, planets Venus, Mars, Jupiter and Saturn can be seen with a? A) naked eye B) microscope C) telescope D) binocular No Details
Question 98 Mankind refers to the? A) organisms B) human species C) living beings D) living creatures No Details
Question 99 Light of Proxima Centauri reaches earth in? A) 4 years B) 4.2 years C) 2 years D) 365 days No Details
Question 100 Phases of appearance of moon are caused by movement of moon around the? A) sun B) earth C) planets D) stars No Details