Previous year MCQs

General science UPPSC 2017 GS-I
Question

Which of the following has the largest brain in proportion to its body size?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Ant

Detailed Solution:

The correct answer is “Ant”.
Ants have a very high brain-to-body size ratio. Their brains can make up about 6% of their body mass, which is significant.

Similar Questions:

Without green house effect, the average temperature of earth surface would be:
  1. A) 0°C
  2. B) -18°C
  3. C) 5°C
  4. D) -20°C
Biological Oxygen Demand(BOD) is a standard criteria for -
  1. A) Pollution assay in aquatic ecosystems
  2. B) Assaying 02 level in high altitude regions
  3. C) Measuring 02 level in blood
  4. D) Computing 02 level in forest ecosystems
Laser is a device for producing
  1. A) spontaneous radiation
  2. B) dispersed radiation
  3. C) scattered radiation
  4. D) stimulated radiation
Which of the following pairs are correctly matched?

(1) Idukki: Thermal Power Station
(2) Sabarigiri: Hydroelectric project
(3) Ghatprabha: Irrigation project
(4) Ramganga: Multipurpose project
  1. A) 2, 3 and 4
  2. B) 1, 2, 3 and 4
  3. C) 3 and 4
  4. D) 1 and 2
Which one of the following is not achieved by transgenics?
  1. A) Production of biodegradable plastics
  2. B) Production of edible vaccines
  3. C) Production of cloned animals
  4. D) Production of transgenic crops
Match List I with List II and select the correct answer using the code given below the lists:
List – I List – II

(A) Tropical forest - (a) Sunderbans
(B) Conifer forest - (b) Himachal Pradesh
(C) Mangroves - (c) Rajasthan
(D) Deciduous forest - (d) Silent Valley

Codes:
  1. A) A-a, B-b, C-d, D-c
  2. B) A-b, B-a, C-d, D-c
  3. C) A-a, B-d, C-b, D-c
  4. D) A-d, B-b, C-a, D-c
Which one of the following pairs is not correctly matched?
  1. A) Y2K - Computer
  2. B) Arthritis - Uric Acid
  3. C) Noise pollution - Decibel
  4. D) Param 10,000 - Land to land missile
The stench due to leakage from the LPG cylinder is because of:
  1. A) Methane
  2. B) Propane
  3. C) Butane
  4. D) Ethyl mercaptan
Charcoal which is used in de-colouring raw sugar is:
  1. A) Wood charcoal
  2. B) Sugar charcoal
  3. C) Animal charcoal
  4. D) Coconut charcoal
Which one of the following silver salts is used for producing artificial rains?
  1. A) Silver chloride
  2. B) Silver bromide
  3. C) Silver nitrate
  4. D) Silver iodide
Statement (A): The signal of danger is made of red colour.
Reason (R): The scattering of red is least

Select the right answer with the help of code given below.
Code:
  1. A) Both A and R are true and R is the correct explanation of A
  2. B) Both A and R are true but R is not the correct explanation of A
  3. C) A is true but R is false
  4. D) A is false but R is true
Match List I with List Il and select the correct answer using the code given below:
List I [Cityl - List II [River]

(A) Khartoum - (a) Zaire
(B) Brazzaville - (b) Nile
(C) Rotterdam - (c) Seine
(D) Paris - (d) Rhine
  1. A) A-b, B-a, C-d, D-c
  2. B) A-a, B-b, C-c, D-d
  3. C) A-d, B-c, C-b, D-a
  4. D) A-c, B-d, C-a, D-b