Previous year MCQs

General science UPPSC 2007 GS-I
Question

Smaller forms of computers are possible because of use of which substance?

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Integrated circuit chips

Detailed Solution:

The correct answer is “Integrated circuit chips”.
Smaller forms of computers are possible because of the use of silicon, which is used to create microprocessors and integrated circuits.

Similar Questions:

In human body digestion of Protein begin in which of the following organs ?
  1. A) Liver
  2. B) Mouth
  3. C) Small Intestine
  4. D) Stomach
In human eye light rays get transformed into neural impulses at:
  1. A) cornea
  2. B) pupil
  3. C) retina
  4. D) lens
'Cloves' are:
  1. A) nodules of stem
  2. B) leaves
  3. C) nodules of roots
  4. D) dried flowers
Which of the following statements about Bacteria is correct?
  1. A) They are on the border line of living and non-living
  2. B) They are on the border line of plants and animals
  3. C) They are on the border line of flowering and non flowering plants
  4. D) None of the above
Consider the following effects of genetic engineering?

1. Disease resistance
2. Growth promotion
3. Animal cloning
4. Human cloning

Of the above, that have been tried with certain amount of success include?
  1. A) 1, 3 and 4
  2. B) 2, 3 and 4
  3. C) 1, 2 and 4
  4. D) 1, 2 and 3
It is comfortable to wear white clothes in summer because:
  1. A) They Reflect all the heat that is falling it
  2. B) Disfigure all the heat transmitted in the body
  3. C) They absorb sweat
  4. D) They provide coolness to the eyes
Match List-I with List-II and select the correct answer using the codes given below the lists.
List-I List-II
(Disease) (Cause)

A. Marasmus - 1. Prolonged Starvation
B. Kwashiorkor - 2. Protein Deficiency
C. T.B. - 3. Bacterial Infection
D. Hepatitis B - 4. Viral Infection
  1. A) 1 2 3 4
  2. B) 2 1 3 4
  3. C) 4 2 3 1
  4. D) 2 4 1 3
Curry-leaf tree, native of India, has the potential of a multibillion dollar production for the pharmaceutical companies, as revealed by the British researches. Cure by curry-leaf is claimed for:
  1. A) Blood Pressure
  2. B) Diabetes
  3. C) Malaria
  4. D) Tuberculosis
Bauxite is the ore of:
  1. A) Iron
  2. B) Copper
  3. C) Aluminium
  4. D) Gold
In coronary artery by-pass surgery the blood vessel to be used as graft has to be:
  1. A) vein from the leg
  2. B) artery from the fore arm
  3. C) artery from mammary region of chest
  4. D) Any of these
Which of the following is the correct order of plant species from higher to lower order?
  1. A) Class — Phylum — Order — Plant Kingdom
  2. B) Order — Class — Phylum — Plant Kingdom
  3. C) Class — Plant Kingdom — Phylum — Order
  4. D) Plant Kingdom—Phylum — Class — Order
With reference to the electric potential which of the following statements is/are correct?

1. It is a scalar quantity.
2. It is a vector quantity.

Select the correct answer using the codes given below.
Codes :
  1. A) Only 1
  2. B) Only 2
  3. C) Both 1 and 2
  4. D) Neither 1 nor 2