Options:
- A. James Clerk Maxwell
- B. Heinrich Hertz
- C. Thomas Alva Edison
- D. John Logie Baird
View Answer
C. Thomas Alva Edison
Everyday Science
Which vegetable is also a flower __________?
Options:
- A. Lady Finger
- B. Broccoli
- C. Tomato
- D. None of these
View Answer
B. Broccoli
The _____ is the largest natural source of light?
Options:
- A. Sun
- B. Moon
- C. Star
- D. None of these
View Answer
A. Sun
Exposure to sunlight helps a person improve his health because ________?
Options:
- A. Resistance power increases
- B. The infrared light kills bacteria in the body
- C. The ultraviolet rays convert skin oil into Vitamin
- D. The pigment cells in the skin get stimulated and produce a healthy tan
View Answer
C. The ultraviolet rays convert skin oil into Vitamin
Which of the following is the flightless bird?
Options:
- A. Pavo cristatus
- B. kakapo
- C. Passer
- D. None of these
View Answer
B. kakapo
The nearest Star to the planet earth is ________ ?
Options:
- A. Regel
- B. Canopus
- C. Sun
- D. Betelgeuse
View Answer
C. Sun
Mycology is a study of_______?
Options:
- A. Virus
- B. Bacteria
- C. Anti virus
- D. Fungi
View Answer
D. Fungi
Which of the following ocean is the least polluted ocean of the world?
Options:
- A. Arctic Ocean
- B. Indian Ocean
- C. South Pacific
- D. None of the above
View Answer
C. South Pacific
We always see the same face of the moon, because?
Options:
- A. It is smaller than the earth
- B. It revolves on its axis in a direction opposite to that of the earth
- C. It takes equal time for revolution around the earth and rotation on its own axis
- D. It rotates at the same speed as the earth around the sun
View Answer
C. It takes equal time for revolution around the earth and rotation on its own axis
According to the theory of relativity, which of the following always remains constant ?
Options:
- A. Length of an object
- B. Time
- C. Space
- D. Velocity of light
View Answer
D. Velocity of light