Saturday 17 August 2013

Environmental Science-4

1. Which one is non luminous
a. Moon
b. sun
c. star
d. comet

2. In which one of the following sound travels fast
a. Solid
b. Air
c. Water
d. Vacuum

3. Which one is the submultiples of time
a. Minute
b. Hour
c. Year
d. milli second

4. A battery or cell converts ________________ energy into electrical energy
a. Solar
b. Heat
c. Mechanical
d. Chemical
5. Protein supplies ________________ to human beings
a. Energy
b. Growth
c. physiological activities
d. body temperature

6. Which is called powerhouse of the cell?
a. Lysosome
b. Golgi bodies
c. Ribosomes
d. Mitochondria

7. What is the rate of heart beat per minute in human being?
a. 93
b. 48
c. 72
d. 65

8. Marasmus is a disease caused due to lack of _____________
a. Protein
b. Vitamin A
c. Vitamin C
d. Iodine

9. The plant that stores food in its roots
a. Grape
b. Potato
c. Beet root
d. Apple

10. Which is the inner most part of the flower?
a. Calyx
b. Corolla
c. Androcium
d. Gynecium


* Answers will be updated soon