General Science problems
- 1. The primary colors are-
Options- A. Yellow, red, blue
- B. Green, white, black
- C. Blue, green, yellow
- D. Red, blue, green Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Red, blue, green
Explanation:
The Primary Colours are Blue, Red and Green. By mixing all these three primary colours we get White colour.
The Secondary Colours are - Yellow, Magenta and Cyan.
- 2. What do you call elements with Atomic Number between 57 and 71? Discuss
Correct Answer: 'Rare earth'(They are all metals)
- 3. Which layer of the atmosphere contains the ozone layer?
Options- A. Troposphere
- B. Stratosphere
- C. Thermosphere
- D. Mesosphere Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Stratosphere
Explanation:
The ozone layer is a region of Earth's Stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
The Atmosphere is divided into 4 layers according to major changes in temperature. They are :
1. Troposphere,
2. Stratosphere,
3. Mesosphere and
4. Thermosphere.
The farther away from earth, the thinner the atmosphere gets.
- 5. Which one among the following stars is nearest to the earth?
Options- A. Proxima Centauri
- B. Sirius
- C. Arcturus
- D. Spica Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
- 6. What is the value of the Least Distance of Distinct vision (in cm) for a normal human being?
Options- A. 2.5
- B. 25
- C. 58
- D. 60 Also asked in: Bank Exams
Correct Answer: 25
- 7. Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?
Options- A. Holograms
- B. 3D special effects
- C. Portraits
- D. DVD Discuss
Correct Answer: Holograms
- 8. What is Iron Ore used for?
Options- A. Aluminium
- B. Copper
- C. Steel
- D. Brass Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Steel
Explanation:
The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make steel. Steel is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for concrete, bicycles, and thousands of other items.
- 9. Plants that grow in Saline Water are called
Options- A. Sciophytes
- B. Bryophytes
- C. Halophytes
- D. Hydrophytes Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank PO, Database Administrator
- 10. Genetic alteration probably refers to altering what
Options- A. Genes found on ribosomes
- B. Genes found on chromosomes
- C. Genes found on cytoplasm
- D. All of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Genes found on chromosomes
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