Quadratic Surds
Trending Questions
Q. Which of the following is/are quadratic surds?
- 2√3
- 3√6
- 4√9
- 5√20
Q. Which of the following is not a quadratic surd?
- 2√3
- 2514
- 312
- 3√2
Q. Which of the following are true regarding CO2
a. Excess of CO2 acts as a pollutant
b. Plants take in CO2 for photosynthesis
c. Deforestation leads to decrease in the amount of CO2 in air
d. Less quantity of CO2 causes a rise in temperature
a. Excess of CO2 acts as a pollutant
b. Plants take in CO2 for photosynthesis
c. Deforestation leads to decrease in the amount of CO2 in air
d. Less quantity of CO2 causes a rise in temperature
a, b and d
a, b and c
b and c
a and b
Q. Which of the following cannot be used as a method to reduce air pollution?
- Using bicycle for transportation
- Reducing the use of firecrackers
- Planting more trees
- Burning garbage in open
Q.
Which of the following would not be effective in reducing air pollution?
Solar energy
Use of CNG
- All of these
Use of electric cars