Stoma , found in the epidermis of leaves closes when guard cells _____ by Aumber Rana March 24, 2020A. Lose water B. Exchange gasC. Gain waterD. None of these 0 comment 225 views 0 FacebookTwitterPinterestLinkedinEmail
When NaHCO3 is heated , it produces by Aumber Rana March 24, 2020A. CaCO3 B. CO2 C. CaOD. Ca(OH)2 0 comment 258 views 0 FacebookTwitterPinterestLinkedinEmail
A camera uses Convex lens to form an image which is: by Aumber Rana March 24, 2020A. Real , inverted , magnified B. Real , inverted , diminished C. Virtual , inverted , diminishedD. Real , upright , diminished 0 comment 607 views 0 FacebookTwitterPinterestLinkedinEmail
Solar Eclipse occur when: by Aumber Rana March 24, 2020A. Earth comes between Sun and MoonB. Moon comes between Sun and Earth C. Sun comes between Earth and MoonD. Sun rays don’t reach Earth 0 comment 208 views 0 FacebookTwitterPinterestLinkedinEmail
Parsec is a unit used to measure _____ by Aumber Rana March 24, 2020A. Time B. Distance C. SpeedD. Force 0 comment 206 views 0 FacebookTwitterPinterestLinkedinEmail