General Science - Online Test
Q1. An economy based on barter system is also called as
Answer : Option D
Explaination / Solution:
No Explaination.
Q2.
A P– type crystal is obtained by doping
A) silicon with arsenic,
B) silicon with aluminum,
C) Ge with boron,
D) Ge with phosphorus.
Answer : Option A
Explaination / Solution:
Doping means the introduction of impurities into a semiconductor crystal to the defined modification of conductivity.
In P-Type Semiconductor, The addition of trivalent impurities such as boron, aluminum or gallium to an intrinsic semiconductor creates deficiencies of valence electrons,called "holes".
Q3. Comparison is made between base year and is called index number of prices
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. Urethra is an 8 to 10 inch long muscular tube. The urethra passes through the prostate glands and end at the
Answer : Option C
Explaination / Solution:
Semen passes from the ejaculatory duct to the exterior of the body via urethra. The urethra passes through the prostate glands and ends at the external urethral orifice.
Q5. Navodaya Vidyalaya started in
Answer : Option B
Explaination / Solution:
Jawahar Navodaya Vidyalay are Government supported schools in Indian districts, to provide education and scope for talented children from rural areas. The idea was conceived by former Prime Minister Rajiv Gandhi and accordingly the first schools were set up in 1985-86 in two districts - Jhajjar (Haryana) and Amaravati (Maharashtra).
Q6. How variable is differ from attributes
Answer : Option B
Explaination / Solution:
Attributes assigned to variables may have the same units as the variable or have no units . If you want to store data that requires units different from those of the associated variable, it is better to use a variable than an attribute.
Q7. A situation when price and unemployment rise together
Answer : Option A
Explaination / Solution:
No Explaination.
Q8. A truck is coming towards you from a distance of 1000m on a straight road, at time t=0. The driver stops for a second near a poster. He reaches you in 100 sec. The average speed in m/s is
Answer : Option A
Explaination / Solution:
Total distance covered s = 1000 m
Total time taken t = 100-0 = 100 s
Average speed
Q9. The relationship between AR and MR when price is constant is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. The velocity of sound in gas in which two waves of wavelength 1.0 m and 0.01 m produces 4 beats/sec. is
Answer : Option D
Explaination / Solution:
No Explaination.
