General Science - Online Test
Q1. While construction e RPI which is not used
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. A truck is coming towards you from a distance of 1000m on a straight road. At time t=0 it starts from rest. At time t=10 seconds its velocity is 20m/s. What is the average acceleration in m/
Answer : Option A
Explaination / Solution:
Average acceleration is the change in velocity divided by an elapsed time.
Initial velocity u = 0 m/s
Final velocity v = 20 m/s
Time elapsed = 10-0 = 10 s
Average acceleration
Q3.
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. A fork of unknown frequency when sounded with another fork of frequency 256 Hz produces 4 beats/sec. The first fork is loaded with wax. It again produces 4 beats/sec. When sounded together with the fork of 256 Hz frequency, then the frequency of first tuning fork is
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. The stage for counting of chromosome is
Answer : Option D
Explaination / Solution:
During cell division, chromosomes get condensed in shape. In metaphase stage of mitosis, the chromosomes are located at center of cell in linear fashion. It can be easily studied at this stage.
Q6. Which one of the following is not used in organic farming?
Answer : Option C
Explaination / Solution:
In organic farming snail is not used. Glomus is kind of fungi used in organic farming for maintaining fertility of soil. Earthworm the process of composting to form vermiform compost and Oscillatoria is an algae that fix the nitrogen.
Q7. Angina pectoris is very often mistaken for :
Answer : Option C
Explaination / Solution:
Angina pectoris is the sensation of chest pain, pressure or squeezing or pain in the centre of the chest. These symptoms are often mistaken by indigestion.
Q8. A charged particle oscillates about its mean equilibrium position with a frequency of Hz. Frequency of the electromagnetic waves produced by the oscillator is
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. The structure of is
Answer : Option C
Explaination / Solution:
In IF7 out of 7 Flourine atoms 5 of them are placed on a plane in Pentagon shape. In remaining 2 flourines one is placed above the plane and other below the plane each at 90 degrees
Q10. A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad about an axis normal to the rod passing through its one end. The other end of the rod is in contact with a circular metallic ring. A constant and uniform magnetic field of 0.5 T parallel to the axis exists everywhere. Emf developed between the centre and the ring is
Answer : Option D
Explaination / Solution:
e=12Bωl2=12×0.5×200×1×1=100V
