General Science - Online Test
Q1. The opening of vagina is often covered partially by a membrane called
Answer : Option B
Explaination / Solution:
Vagina is partially covered by a membrane called hymen. The hymen is generally torn during first coitus. It may be also broken due to active participation in sports like cycling and horse riding.
Q2. People of which age group are treated as productive labour force
Answer : Option B
Explaination / Solution:
People falling in the age group of 15-60 have the education and health and can be trained on-the-job as well. They thus contribute extensively to the society.
Q3. When a gas phase atom in its ground state gains an electron. This is called
Answer : Option B
Explaination / Solution:
Electron gain enthalpy (ΔegH) is defined as the enthalpy change associated with an isolated gaseous atom (X) when it gains an electron to form its corresponding anion. The reaction can be given as below:
On the basis of nature of the element, the process of accepting electron in an atom can either be exothermic or endothermic.
Q4. Which variable increase in jumps or in complete numbers
Answer : Option C
Explaination / Solution:
Discrete variable over a particular range of real values is one for which, for any value in the range that the variable is permitted to take on, there is a positive minimum distance to the nearest other permissible value. The number of permitted values is either finite or countably infinite.
Q5. Which of the following is the monetary measure (i) A check on the supply of money (ii) Increases in rate of interest (iii) Price control and rationing. Options are
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. For one dimensional motion displacement is the
Answer : Option C
Explaination / Solution:
Displacement is defined to be the change in position of an object. It can be defined mathematically with the following equation:
refers to the value of the final position.
refers to the value of the initial position.
is the symbol used to represent displacement.
Q7. Angular frequency ω and wave vector k are related by
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. Among mammals, nucleus is absent in :
Answer : Option B
Explaination / Solution:
The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules.Platelets are devoid of nucleus in most of the mammals.
Q9. in longitudinal waves, the constituents of the medium
Answer : Option D
Explaination / Solution:
In longitudinal wave motion, medium particles oscillates or vibrates in same direction of wave propagation to produce compression & rarefaction in wave propagation.
Q10. The physical expression or appearance of a character is called as
Answer : Option D
Explaination / Solution:
The physical appearance of a character is called as phenotype. The genetic make of individual is called genotype. Tallness, round, wrinkled, yellow etc. are physical appearance.
