- Troposphere
- Stratosphere
2. Renewable source of energy is
- coal
- petroleum
- plants
- uranium
3. A rectangular photo frame X is of 90 cm length and 70 cm width and a square frame Y is of side 80 cm. Then which of the following is correct?
- Perimeter of both X and Y frames is same and is equal to 320 sq cm
- Perimeter of both X and Y frames is equal to 320 cm
Sol: Perimeter of frame X= 2(l+b)= 2(90+70)= 320cm
So, perimeter of X and Y frames are equal
4. Maximum amount of gas found in air is
Ans: Nitrogen
5. The prime factors of the number 720 are
Ans: 2 x 2 x 2 x 2 x 3 x 3 x 5
https://www.coolmathgames9.com/prime/prime720.html
6. Pulse Polio Immunization programme aim is to
Ans: sustain polio eradication from the country
7. The biochemical laboratory of human body is
Ans: Liver
8. Kashmiri gown is known as
Ans:pheran
9. Energy converted into electrical energy by a solar cell is
Ans: Solar energy
10. Carrier of dengue disease is
Ans: the yellow-fever mosquito, Aedes aegypti
4. Maximum amount of gas found in air is
Ans: Nitrogen
5. The prime factors of the number 720 are
Ans: 2 x 2 x 2 x 2 x 3 x 3 x 5
https://www.coolmathgames9.com/prime/prime720.html
6. Pulse Polio Immunization programme aim is to
Ans: sustain polio eradication from the country
7. The biochemical laboratory of human body is
Ans: Liver
8. Kashmiri gown is known as
Ans:pheran
9. Energy converted into electrical energy by a solar cell is
Ans: Solar energy
10. Carrier of dengue disease is
Ans: the yellow-fever mosquito, Aedes aegypti