General Science - Online Test

Q1. What do you mean by infant mortality rate?
Answer : Option C
Explaination / Solution:

The infant mortality rate is the number of deaths under one year of age occurring among the live births in a given geographical area during a given year, per 1,000 live births occurring among the population of the given geographical area during the same year.

Q2. The constant k used in rate equation is known as
Answer : Option B
Explaination / Solution:

Rate constant is also known as velocity constant.

Q3. Which of the following is a type of bar diagram?
Answer : Option B
Explaination / Solution:

Component bar diagrams or charts , also called sub­diagrams, are very useful in comparing the sizes of different component parts (the elements or parts which a thing is made up of) and also for throwing light on the relationship among these integral parts. For example, sales proceeds from different products, expenditure pattern in a typical Indian family (components being food, rent, medicine, education, power, etc.), budget outlay for receipts and expenditures, components of labour force, population etc. Component bar diagrams are usually shaded or coloured suitably.

Q4. Within the embryo sac, three cells at chalazal end are called
Answer : Option D
Explaination / Solution:

The embryo sac is 8 nucleate, 7 celled structure. The three at micropylar ends are called egg Synergids and three at chalazal end are called antipodal cell. The remaining two at center forms the polar bodies.

Q5. Which is the apex institute at national level which provide re-finance facilities to institutions engaged in providing rural credit
Answer : Option B
Explaination / Solution:

National Bank for Agriculture and Rural Development bank has been entrusted with "matters concerning policy, planning and operations in the field of credit for agricultural and other economic activities in rural areas in India

Q6. Which phase of M-stage is called as invisible phase?
Answer : Option D
Explaination / Solution:

S-phase of M-stage is called as invisible phase of cell cycle because during this phase synthesis of DNA takes place which is not visible to the naked eye. There is only imbalance of Nucleoplasmic ratio.

Q7. Centripetal acceleration of a particle moving in a circular path with constant velocity v is given by
Answer : Option D
Explaination / Solution:

A body that moves in a circular motion (of radius R) at constant speed (v) is always being accelerated. The acceleration is at right angles to the direction of motion (towards the center of the circle) and of magnitude  
Q8. The basic principle of Cottrell precipitator is
Answer : Option D
Explaination / Solution:

It is used for decreasing air pollution by neutralizing the colloid.

Q9. Arrange these countries according to their HDI ranking from top to bottom (i) India (ii) China (iii) Pakistan. Options are as follow
Answer : Option D
Explaination / Solution:

The Human Development Index (HDI) is a composite statistic of life expectancy, education, and income per capita indicators. A country scores higher HDI when the life expectancy at birth is longer, the education period is longer, and the income per capita is higher.China is having HDI 0.917, India 0.624 and Pakistan 0.550

Q10. An electric dipole is
Answer : Option C
Explaination / Solution:

An electric dipole is a separation of positive and negative charges. The simplest example of this is a pair of electric charges of equal magnitude but opposite sign, separated by some (usually small) distance. A permanent electric dipole is called an electret