General Science | General Studies test | UPSC Civil services Entrance exams Online Objective Test

UPSC Civil services Entrance exams General Studies test # General Science Biotechnology and its Applications Prepare / Learn

Q2. Father of green revolution is

A. M.S. Swaminathan

B. Vurghese Kurein

C. Haberlandt

D. Karl Landsteiner

Answer : Option A
Explaination / Solution:

M.S. Swaminathan is known as father of green revolution. Green revolution increased the food production about three times the previous one. Use of hybrid seeds, fertilizers and modern method of agriculture results this achievement.

UPSC Civil services Entrance exams General Studies test # General Science Reproductive Health Prepare / Learn

Q3. RCH stands for

A. Reproduction care house

B. Reproductive and child health care

C. Rehabilitation and care of health

D. Recovery and care of health

Answer : Option B
Explaination / Solution:

RCH stands for reproductive and child health care. Creating awareness among the people about different aspects of reproduction and available facility for child health care is the main aim of this programme.

UPSC Civil services Entrance exams General Studies test # General Science National Income and Related Aggregates Prepare / Learn

Q4. Explain the meaning of non-market activities

A. Production

B. Involuntary

C. Non marketable

D. Economic

Answer : Option C
Explaination / Solution:
No Explaination.

UPSC Civil services Entrance exams General Studies test # General Science Consumers Equilibrium and Demand Prepare / Learn

Q5. Which of the following utility approach is based on the theory of Alfred Marshall?

A. None of these

B. Independent variable approach

C. Ordinal utility approach

D. Cardinal utility approach

Answer : Option D
Explaination / Solution:
No Explaination.

UPSC Civil services Entrance exams General Studies test # General Science Classification of Elements and Periodicity in Properties Prepare / Learn

Q6. Mendeleev 'Periodic Law' states that

A. The properties of the elements are a periodic function of the number of neutrons.

B. The properties of the elements are the periodic function of their atomic weights.

C. The properties of the elements are a periodic function of their atomic number.

D. The properties of the elements are a periodic function of the number of electrons.

Answer : Option B
Explaination / Solution:

If the elements are arranged in the order of their increasing atomic weights, after a regular interval similiar properties of elements are repeated.

UPSC Civil services Entrance exams General Studies test # General Science Electrostatic Potential and Capacitance Prepare / Learn

Q7. Electric potential energy of two point charges q and

A. 14πϵ0qq0r2

B. 14πϵ0qq0r

C. 14πϵ0q2q0r

D. 14πϵ0qq0r3

Answer : Option B
Explaination / Solution:

Potential energy of a system of charges is the work done in assembling the charges. Force between two charges q and q0 placed at a distance r apart is

F = \frac{q_{0} q}{4 π ε_{0} r^{2}}

Potential energy of the charges is given by

℧ = \int_{\infty}^{r} - F ∙ d r = \int_{\infty}^{r} - \frac{q_{0} q}{4 π ε_{0} r^{2}} d r = \frac{q q_{0}}{4 π ε_{0} r}

UPSC Civil services Entrance exams General Studies test # General Science Transport in Plants Prepare / Learn

Q8. Root hairs absorb water from soil with the help of

A. Osmatic pressure

B. Root pressure

C. Suction pressure

D. Turger pressure

Answer : Option C
Explaination / Solution:

Root hairs absorb water from soil with the help of suction pressure created due to concentration difference of water and mineral ions present in soil.

UPSC Civil services Entrance exams General Studies test # General Science Polymers Prepare / Learn

Q9. For macromolecules to form, one more of the following criteria are essential

A. The repeating structural units are derived from some simple and reactive molecules

B. All of these

C. by joining of repeating structural units on a large scale

D. the molecules in C are linked to each other by covalent bonds