921. The human blood is divided into__________ groups?
A. Two groups
B. Three groups
C. Four groups
D. Five groups
922. The muscles, tissues and blood all are made up of____________?
A. Carbohydrate
B. Proteins
C. Vitamins
D. Fats
923. One gram of carbohydrates give energy of the amount?
A. 2 K Calories
B. 4.1 K Calories
C. 6.3 K Calories
D. 8.0 K Calories
924. What amount of fats give energy of 9.3 K Calories?
A. 0.5 gram
B. 1.0 gram
C. 2.0 gram
D. 4.1 gram
925. Sound travels_______ in solid materials then liquid?
A. Constant
B. Slowest
C. Fastest
D. None of these
926. What Color does chlorophyll not absorb?
A. Red
B. Blue
C. Green
D. Yellow
927. One Torr is equivalent to how many mm of Mercury?
A. 1 mm
B. 10 mm
C. 100 mm
D. 0.1 mm
928. The second most abundant metal found in the earth’s crust is_____________?
A. Silicon
B. Aluminium
C. Calcium
D. Sodium
929. In BTU system, one BTU is equal to__________?
A. 2055 Joule
B. 1155 Joule
C. 2155 Joule
D. 1055 Joule
930. In which system of units, gas bills are charged?
A. SI
B. CGS
C. BTU
D. CNG