At night, Plants intake __________ and release __________?
A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. None of theseCarbon monoxide – Oxygen
A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. None of theseCarbon monoxide – Oxygen
Oranges are rich source of____________?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
A. Sight
B. Sound
C. Both of these
D. None of these
A. Prevent global warming
B. Filter out ultraviolet rays
C. Absorb pollution
D. All of the above
A. increasing focal length of the lens
B. Decreasing focal length of the lens
C. Lens of large aperture
D. lens of short aperture
E. None of these
A. We face sun and raindrops
B. The Sun remains behind us and we face raindrops
C. In light rainfall, we face Sun
D. The sky remains clear and the sun is at lower position in the sky
Big Bang theory explains_____________?
A. Origin of Universe
B. Origin of Sun
C. Laws of physics
D. None of above