Previous year MCQs

General science UPPSC 2015 GS-I
Question

Bronze is an alloy of:

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Copper and Tin

Detailed Solution:

The correct answer is “Copper and Tin”.
Bronze is an alloy of copper and tin. The combination of these two metals gives bronze its distinctive properties, such as strength, durability, and a reddish-brown color.

Similar Questions:

The leaning tower of Pisa does not fall because:
  1. A) it is tapered at the top
  2. B) it covers a large base area
  3. C) its centre of gravity remains at the lowest position
  4. D) the vertical line through the centre of gravity of the tower falls within the base
Which of the following periods has generally been considered to be the 'Little Ice Age'?
  1. A) 730 A.D. - 850 A.D.
  2. B) 950 A.D. - 1250 A.D.
  3. C) 1650 A.D. - 1870 A.D.
  4. D) 8000 to 10,000 years B.P. (Before Present)
After menopause, production of which of the following hormones does not take place in women?
  1. A) Progesterone
  2. B) Testosterone
  3. C) Estrogen
  4. D) None of these
Which one of the following pairs is not correctly matched?
  1. A) Discovery of Meson – Hideki Yukawa
  2. B) Discovery of positron – C.D. Anderson & U.F. Hess
  3. C) Theory of energy production – H.A. Bethe in the sun and stars
  4. D) Synthesis of transuranic elements – Enrico Fermi
When doctor tells a person that he/she has been affected with tetraplegia, it means that he/she is suffering from paralysis of:
  1. A) right hand only
  2. B) left hand only
  3. C) his both legs only
  4. D) both hands and both legs
A colour-blind man marries a normal woman. The features of colour blindness will appear in his:
  1. A) sons
  2. B) daughters
  3. C) sons's sons
  4. D) daughter's sons
Arrange the following atmospheric zones in terms of the distance from the earth’s surface in increasing order and select the correct answer from the code given below:

1. Thermosphere
2. Troposphere
3. Stratosphere
4. Mesosphere

Codes:
  1. A) 1, 3, 4, 2
  2. B) 2, 3, 1, 4
  3. C) 3, 4, 2, 1
  4. D) 2, 3, 4, 1
Bauxite is an ore of:
  1. A) Lead
  2. B) Aluminium
  3. C) Zinc
  4. D) Copper
Who was the leader of 1857 struggle for freedom in Lucknow?
  1. A) Zeenat Mahal
  2. B) Nana Saheb
  3. C) Hazrat Mahal
  4. D) Tantya Tope
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A): A solution of table salt in a glass of water is homogeneous.
Reason (R): A solution having different composition throughout is homogeneous.

Select the correct answer from the code given below:
Code:
  1. A) (A) is false but (R) is true
  2. B) (A) is true but (R) is false
  3. C) Both (A) and (R) are true but (R) is not the correct explanation of (A)
  4. D) Both (A) and (R) are true and (R) is the correct explanation of (A)
These days yellow lamps are frequently used as street light. Which one of the following is used in these lamps?
  1. A) Sodium
  2. B) Neon
  3. C) Hydrogen
  4. D) Nitrogen
Normal temperature of human body is 98.4°F. Its equivalent temperature in °C is:
  1. A) 40.16
  2. B) 36.89
  3. C) 35.72
  4. D) 32.36