General Science - MCQs with answers - Part 2.

  Welcome to edusoars.blogspot.com, we offer a wide range of MCQs on a variety of subjects, including: Computer Science, Engineering, Mathematics, Science, Aptitude, Reasoning, General Knowledge.

 Our MCQs are designed to help you prepare for your competitive exams in the most effective way possible. Each MCQ may comes with a detailed explanation, so you can understand the concept behind the question and learn from your mistakes.

 We also offer a variety of practice quizzes/tests, so you can test your knowledge and see how you stack up against other candidates. Our practice quizzes/tests are designed to be as realistic as possible, so you can be confident that you are prepared for the real exam.

 We are constantly adding new MCQs and practice quizzes/tests to our website, so you can always find new material to study.

 If you are looking for a comprehensive and effective way to prepare for your competitive!!!! exams, then edusoars.blogspot.com is the perfect resource for you. With our wide range of MCQs, practice quizzes/tests, and resources, you can be confident that you will be ready for the real exam.

 Thank you for visiting edusoars.blogspot.com. We wish you the best of luck in your studies!

General Science MCQs with answers Part 2

1. What is the scientific name of Laughing Gas?

a) Nitrous Oxide
b) Phosphorous Pentoxide
c) Sodium Bicarbonate
d) Carbon Tetrachloride

ANSWER: a) Nitrous Oxide

It is a colorless gas with a sweet odor and taste. Its inhalation leads to disorientation, euphoria, numbness, loss of motor coordination, dizziness, and ultimately a loss of consciousness. The gas is used as an anesthetic, as a propellant in whipped cream cans, and as an oxidizing agent in racing cars.

2. What is a young horse called?

a) Colt
b) Filly
c) Foal
d) Hack

ANSWER: c) Foal

Foal is a horse of either sex less than one year of age.

3. Who coined the word Dinosaur for 'terrible lizard'?

a) Benjamin Waterhouse Hawkins
b) Georges Cuvier
c) Gideon Mantell
d) Richard Owen

ANSWER: d) Richard Owen

Sir Richard Owen was an English biologist, comparative anatomist and paleontologist.

4. What term is used to describe the cultivation of plants without soil?

a) Aeroponics
b) Aquaponics
c) Fogponics
d) Hydroponics

ANSWER: d) Hydroponics

5. What are the brighter areas on the sun's surface called?

a) Analemma
b) Corona
c) Faculae
d) Nanoflares

ANSWER: c) Faculae

Solar faculae are bright spots that form in the canyons between solar granules. Faculae are produced by concentrations of magnetic field lines.

6. What did "x" mean in "x-rays"?

a) Cross
b) Mark
c) Star
d) Unknown

ANSWER: d) Unknown

On 11 January 1896, John Hall-Edwards was the first person to use X-rays under clinical conditions in Birmingham, England.

7. In which year was Nobel Prizes awarded first?

a) 1901
b) 1912
c) 1923
d) 1924

ANSWER: a) 1901

The prizes in Physics, Chemistry, Physiology or Medicine, Literature, and Peace were first awarded in 1901.

8. Which of the following were the objectives of the Mission Chandrayaan-1?

(i) to design, develop, launch and orbit a spacecraft around the Moon using an Indian-made launch-vehicle
(ii) to conduct scientific experiments using instruments on the spacecraft
(iii) to detect water-ice on the Moon

(a) Only (i)
(b) Only (ii)
(c) Only (iii)
(d) All the above

ANSWER: (d) All the above

The mission had the scientific objectives such as to design, develop, launch and orbit a spacecraft around the Moon using an Indian-made launch-vehicle, to conduct scientific experiments using instruments on the spacecraft which would yield data for the preparation of a three-dimensional atlas, for chemical and mineralogical mapping of the entire lunar surface at high spatial resolution, to increase scientific knowledge, to detect water-ice on the Moon.

9. When is World Forestry Day celebrated?

a) March 3
b) March 21
c) March 22
d) March 23

ANSWER: b) March 21

On each International Day of Forests, countries are encouraged to undertake local, national and international efforts to organize activities involving forests and trees, such as tree planting campaigns.

10. Which of the following is not a fertiliser product?

a) Di-ammonium Phosphate
b) Calcium Carbonate
c) Nitrogen phosphorous potassium complexes
d) Urea

ANSWER: b) Calcium Carbonate

Nitrogen, phosphorous and potassium are key agro-nutrients for crops.