Options:
- A. Magnetic tape
- B. Modulator
- C. Sonometer
- D. Reed instrument
View Answer
C. Sonometer
Everyday Science
Refraction of sound can occur in:
Options:
- A. Water
- B. Air
- C. Both A & B
- D. None of these
View Answer
C. Both A & B
Chromosomes first become visible during which phases of mitosis:
Options:
- A. Prometaphase
- B. Telophase
- C. Prophase
- D. Metaphase
View Answer
C. Prophase
A blood alcohol level above ________ will often result in death:
Options:
- A. 0.10
- B. 0.20
- C. 0.30
- D. 0.41
View Answer
D. 0.41
The brightest colour emitted by the sun is:
Options:
- A. Violet
- B. Yellow-Green
- C. Green- Blue
- D. Red
View Answer
B. Yellow-Green
When did Amnesty International won the Noble Prize:
Options:
- A. 1917
- B. 1967
- C. 1977
- D. 1987
View Answer
C. 1977
In bacteria mesosomes take the place of which one of the following?
Options:
- A. Ribosome
- B. Mitochondria
- C. Golgi bodies
- D. None of these
View Answer
B. Mitochondria
Which product is obtained in the manufacture of soap from oils:
Options:
- A. Sodium chloride
- B. Sodium hydroxide
- C. Fats
- D. Glycerine
View Answer
D. Glycerine
An Average Hummingbird
Options:
- A. 500 times
- B. 1000 times
- C. more than 1000 times
- D. more than 1200 times
View Answer
D. more than 1200 times
The time in which Earth completes its revolution around the Sun is________?
Options:
- A. 365.25 days
- B. 340 days
- C. 325 days
- D. 360 days
View Answer
A. 365.25 days