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UPSC Civil services Entrance exams General Studies test # General Science Indian Economy on the Eve of Independence Prepare / Learn

Q1. Largest share of work force which was 72% was engaged in

A. None of these

B. Tertiary sector

C. Secondary sector

D. Primary sector

Answer : Option C
Explaination / Solution:

Agriculture was the main occupation of India on the eve of independence.Largest share of work force which was about 72% was engaged in Primary secor

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

Q2. The minimum amount of energy required by the reacting molecules at the time of collisions in order to produce effective collisions is called

A. Potential energy

B. Threshold energy

C. Internal energy

D. Activation energy

Answer : Option B
Explaination / Solution:

The minimum amount of energy required by the reacting molecules at the time of collisions in order to produce effective collisions is called threshold energy.

UPSC Civil services Entrance exams General Studies test # General Science Presentation of Data Prepare / Learn

Q3. Graphic presentation of a cumulative frequency distribution is

A. Histogram

B. Ogive

C. Pictograph

D. Frequency Polygon

Answer : Option B
Explaination / Solution:

Ogive is also called cumulative frequency curve. As there are two types of cumulative frequencies, for example "less than" type and "more than" type, accordingly there are two ogives for any grouped frequency distribution data.

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

Q4. ___ is build up in the years of surplus production and is used during shortage

A. None

B. Minimum support price

C. Public Distribution system

D. Buffer stock

Answer : Option D
Explaination / Solution:

These stocks are used, for PDS so that poorer sections of the society have an easy access to these things.

UPSC Civil services Entrance exams General Studies test # General Science Motion in A Plane Prepare / Learn

Q5.

A ball is thrown upwards with an initial velocity of 10 m $s^{- 1}$ . Determine the maximum height reached above the thrower’s hand. Determine the time it takes the ball to reach its maximum height.

A. 5.43 m, 0.92 s

B. 5.23 m, 1.12 s

C. 5.10 m, 1.02 s

D. 5.25 m, 0.42 s

Answer : Option C
Explaination / Solution:

Initial velocity u = 10m/s

As at the maximum height ball ll stop so final velocity v = 0 m/s

Only acceleration working on it is acceleration due to gravity g = -9.8m/s2

Let height = h

So we know

$v^{2} - u^{2} = 2 a s$

=> $(0)^{2} - (10)^{2} = 2 \times (- 9.8) h$

=> $h = \frac{- 100}{- 19.6}$ 5.10 m

Also let time taken to reach maximum height = t

Then

We know

v = u +at

=> 0 = 10 +(-9.8)t

=> t = $\frac{- 10}{- 9.8} = 1.02 s$

UPSC Civil services Entrance exams General Studies test # General Science Development Experience Of India a Comparison with Neighbors Prepare / Learn

Q6. Which of the following are regional and economic groups? (i) SAARC (ii) GLF (iii) ASEAN (iv) G-8

A. II,III,IV

B. I,II,IV

C. I,III,IV

D. I,II,III

Answer : Option C
Explaination / Solution:

The South Asian Association for Regional Cooperation (SAARC) is the regional intergovernmental organisation and geopolitical union of nations in South Asia. Its member states include Afganistan, Bangladesh, Bhutan, India, Nepal, the Maldives, Pakistan and Sri Lanka.

The GLF program started in 1958 sought to increase the productivity through increased socialist organisation of the rural economy, ie., rural people's communes and producer's co-operatives.

The Association of Southeast Asian Nations is a regional intergovernmental organisation comprising ten South Asian states which promotes Pan-Asianism, intergovernmental cooperation and facilitates economic, political, military, educational and cultural integration amongst its members and Asian States.

The Group of Eight (G8) refers to the group of eight highly industrialized nations—France, Germany, Italy, the United Kingdom, Japan, the United States, Canada, and Russia—that hold an annual meeting to foster consensus on global issues like economic growth and crisis management, global security, energy, and terrorism.

UPSC Civil services Entrance exams General Studies test # General Science Cell Cycle and Cell Division Prepare / Learn

Q7. Synapsis occurs between

A. A male and female gametes

B. Ribosome and m-RNA

C. Two homologous chromosomes

D. Spindle fibres and centromeres

Answer : Option C
Explaination / Solution:

Synapsis occur between two homologous chromosome during zygotene phase of prophase of meiosis I due to presence of synaptonemal complex between homologous chromosomes.

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

Q8. Which of the following methods is used for sol destruction?

A. Addition of an electrolyte

B. Dialysis

C. Condensation

D. Diffusion through semi permeable membrane

Answer : Option A
Explaination / Solution:

Electrolyte makes the colloid destroy.

UPSC Civil services Entrance exams General Studies test # General Science Electric Charges and Fields Prepare / Learn

Q9. Consider a uniform electric field

E = 3 \times 1 0^{3} N / C

(a) What is the flux of this field through a square of 10 cm on a side whose plane is parallel to the yz plane? (b) What is the flux through the same square if the normal to its plane makes a

6 0^{\circ}

angle with the x-axis?

A. 40Nm2/C,25Nm2/C

B. 20Nm2/C,15Nm2/C

C. 40Nm2/C,15Nm2/C

D. 30Nm2/C,15Nm2/C

Answer : Option D
Explaination / Solution:

(a) Electric field intensity, = 3 ×

10^{3}

î N/C Magnitude of electric field intensity, =

3 \times 10^{3}

N/C Side of the square, s = 10 cm = 0.1 m Area of the square, A =

s^{2}

= 0.01

m^{2}

The plane of the square is parallel to the y-z plane. Hence, angle between the unit vector normal to the plane and electric field,

θ

= 0° Flux (Φ) through the plane is given by the relation, ϕ =

\vec{E} . \vec{A} = E A C o s θ

=3 ×

10^{3}

× 0.01 × cos0° = 30 N

m^{2} / C

UPSC Civil services Entrance exams General Studies test # General Science Mechanical Properties of Solids Prepare / Learn

Q10. A specimen of oil having an initial volume of 600

c m^{3}

is subjected to a pressure increase of 3.6

\times

1 0^{6}

Pa and the volume is found to decrease by 0.45 cm3 what is the compressibility of the material?

A. 2.3

\times

1 0^{- 10}

^{- 1}

B. 2.1

\times

1 0^{- 10}

^{- 1}

C. 1.7

\times

1 0^{- 10}

^{- 1}

D. 1.9

\times

1 0^{- 10}

^{- 1}

Answer : Option B
Explaination / Solution:
No Explaination.

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