Options:
- A. Water
- B. Salts
- C. Vapours
- D. Plasma
View Answer
D. Plasma
Everyday Science
Which of the following elements is not present abundantly in earth
Options:
- A. Silicon
- B. Radium
- C. Aluminum
- D. Carbon
View Answer
B. Radium
The science which deals with study of manners and customs of people is ?
Options:
- A. Ethnology
- B. Morphology
- C. Ethics
- D. Genetics
View Answer
A. Ethnology
Where do most of Asteroids lie?
Options:
- A. In asteroid belt between the orbits of Mars and Jupiter
- B. In asteroid belt between the orbits of Mars and Venus
- C. In asteroid belt between the orbits of Jupiter and Venus
- D. Everywhere in the sky
View Answer
A. In asteroid belt between the orbits of Mars and Jupiter
In a railway track, two rails are joined end to end with a gap tin between them because?
Options:
- A. Steel can be saved
- B. Accidents due to contraction in winter can be avoided
- C. Air gaps are necessary for bearing the weight of running train
- D. Accidents due to expansion in summer can be avoided
View Answer
D. Accidents due to expansion in summer can be avoided
Magnifying power of a simple microscope can be increased by ?
Options:
- A. increasing focal length of the lens
- B. Decreasing focal length of the lens
- C. Lens of large aperture
- D. lens of short aperture
View Answer
B. Decreasing focal length of the lens
The function of hemoglobin is____________?
Options:
- A. Transportation of oxygen
- B. Destruction of bacteria
- C. Prevention of anemia
- D. Utilization of energy
View Answer
A. Transportation of oxygen
Trachoma is a disease of the___________?
Options:
- A. Liver
- B. Eyes
- C. Lungs
- D. Kidneys
View Answer
B. Eyes
Bats can also fly in dark because they are capable of taking the help of _________?
Options:
- A. Ultraviolet Waves
- B. Ultrasonic Waves
- C. Electromagnetic Waves
- D. Special Retina
View Answer
B. Ultrasonic Waves
The theory of Expanding Universe was first propounded by____________?
Options:
- A. Einstein
- B. Newton
- C. Gahleo
- D. Hubble
View Answer
D. Hubble