Everyday Science

Plants Exhale ______ At Night?

Question: Plants Exhale ______ At Night? a. Oxygen b. Nitrogen c. Carbon dioxide d. None of these

Question: Which gas used in refrigerator for cooling? a. Ammonia b. Nitrogen c. Carbon dioxide d. Oxygen

Question: What Colour Of Visible Light Is The Longest In Wavelength? a. Violet b. Blue c. Red d. Green

Question: What Is The Only Element That Burns With Nitrogen? a. Fluorine b. Titanium c. Antimony d. Mnaganese

Question: Which Is The Brightest Planet In The Solar System? a. Jupiuter b. Mars c. Mercury d. Venus

Question: What Is The Percentage Of Salt Water On Earth Surface? a. 93% b. 95% c. 97% d. 76%

Question: What Do You Call The Positive Electrode Of An Electric Cell? a. Diode b. Anode c. Grid d. Cathode

Question: Vitamin C Is Also Known As Ascorbic Acid Deficiency Of Vitamin C Causes? a. Night-blindness b. Beri-Beri c. Scurvy d. None of these

Question: Among The Following Food Items, Which One Has The Highest Amount Of Carbohydrates? a. Apple b. Banana c. Cabbage d. Pea

Question: Which Of The Following Take Place Due To Surface Tension? a. Gravitation Pull b. Capillary Action c. Viscosity d. Radiation