Options:
- A. zinc
- B. iodine
- C. copper
- D. iron
View Answer
A. zinc
Everyday Science
In general, wind speed of 10
Options:
- A. minor or no damage
- B. considerable damage
- C. severe damage
- D. extreme damage
View Answer
A. minor or no damage
Human population growth is greatest in developing countries because ?
Options:
- A. the birth rate is high in developing countries
- B. the death rate is high in developing countries.
- C. much of the population has already reached the child bearing age.
- D. most of the world
View Answer
A. the birth rate is high in developing countries
Which form of drug abuse involves most risk of infection with the HIV (AIDS) virus ?
Options:
- A. Cigarette smoking
- B. Using alcholo
- C. Injection of heroine
- D. Taking too much aspirin
View Answer
C. Injection of heroine
Which of the following layers make radio transmission possible?
Options:
- A. Troposphere
- B. Ionosphere
- C. Mesosphere
- D. Stratosphere
View Answer
B. Ionosphere
Quartz crystal in quartz watches work on the principle called?
Options:
- A. Photoelectric effect
- B. Stark effect
- C. Thermionic effect
- D. Piezo-electric effect
View Answer
D. Piezo-electric effect
Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________?
Options:
- A. Honey
- B. Water
- C. Milk
- D. olive oil
View Answer
C. Milk
What is the main component of bones and teeth?
Options:
- A. Calcium carbonate
- B. Calcium phosphate
- C. Calcium sulphate
- D. Calcium nitrate
View Answer
B. Calcium phosphate
Myopia is a disease connected with_________?
Options:
- A. Ears
- B. Eyes
- C. Lungs
- D. Brain
View Answer
B. Eyes
The cow
Options:
- A. 60%
- B. 65%
- C. 72%
- D. 80%
View Answer
D. 80%