Options:
- A. Nose
- B. Air
- C. Lungs
- D. None of these
View Answer
C. Lungs
Everyday Science
Main constituent in air is ___________?
Options:
- A. Oxygen
- B. Nitrogen
- C. Hydrogen
- D. Helium
View Answer
B. Nitrogen
Which of the Following Hormones Regulate Blood Sodium and Potassium Levels in the Body?
Options:
- A. Aldosterone
- B. Cortisol
- C. Glycogens
- D. Pheromones
View Answer
A. Aldosterone
Volcanoes can also be caused by _____ so called
Options:
- A. Ash
- B. Gases
- C. Mantle Plumes
- D. None of these
View Answer
C. Mantle Plumes
Rainbow is seen after rain because of hanging molecules of water which act as __________?
Options:
- A. Lens
- B. Prism
- C. Mirror
- D. Slabs
View Answer
C. Mirror
What divides the Earth into the Northern and the Southern Hemispheres?
Options:
- A. Axis of rotation
- B. Equator
- C. North Pole
- D. South Pole
View Answer
B. Equator
The Summer solstice in the Northern Hemisphere happens on: __________?
Options:
- A. 21 July
- B. 22 December
- C. 22 March
- D. 21 June
View Answer
D. 21 June
Apart from Venus, which planet rotates from east to west?
Options:
- A. Jupiter
- B. Mars
- C. Uranus
- D. Neptune
View Answer
C. Uranus
Plant have ________ while animals lack it.
Options:
- A.
- B.
- C.
- D.
View Answer
B.
Which of the following vitamin is known as Cobalamin?
Options:
- A. vitamin B-1
- B. vitamin B-3
- C. vitamin B-9
- D. vitamin B-12
View Answer
D. vitamin B-12