General Science - Online Test
Q1. Bidder’s canal is meant for the passage of
Answer : Option C
Explaination / Solution:
Bidder’s canal is present in male reproductive system. It is meant for passage of sperms during coitus.
Q2. ____ and ____ are the twin pillars on which rests the edifice of social sector reforms
Answer : Option B
Explaination / Solution:
Education and health are two major aspects of social sector reforms. An educated and healthy person can contribute positively to the growth of the society and vice-versa where, individual interest lies in collective interest.
Q3. Inclusive series
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. Match the following. Options are as follows
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. If the position- time graph is a straight line parallel to the time axis
Answer : Option B
Explaination / Solution:
Position-time graph of horizontal straight line parallel to time axis represents that the position of the body does not changes with the passage of time. So it represents the rest state of motion.
It means velocity of object is zero.
Q6. The speed of propagation of a sinusoidal wave is given by V=νλ where
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. Food is heated in a microwave oven because
Answer : Option B
Explaination / Solution:
No Explaination.
Q8. A person with unknown blood group under ABO system has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend, who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?
Answer : Option D
Explaination / Solution:
A person with unknown blood group under ABO grouping should be given Type O blood group as O is universal donor and can be transfused to any person.
Q9. Energy is stored in the form of
Answer : Option C
Explaination / Solution:
Cells store energy in a molecule called adenosine triphosphate (abbreviated as ATP). The adenosine molecule has three phosphate groups attached to it (triphosphate means three phosphates) which are held together by high energy bonds.
If one of these bonds is broken, a great amount of energy is released which can be used in an endergonic reaction.
Q10. The specialised patch of modified heart muscles from where contraction initiates, is/are :
Answer : Option C
Explaination / Solution:
The nodal musculature has the ability to generate action potentials without any external stimuli. The number of action potentials that could be generated in a minute vary at different parts of the nodal system. The SAN can generate the maximum number of action potentials and is responsible for initiating and maintaining the rhythmic contractile activity of the heart. Therefore, it is called the pacemaker.
