General Science problems
- 1. What reacts with oxygen to produce rust?
Options- A. Aluminium
- B. Silver
- C. Copper
- D. Iron Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Iron
Explanation:
Iron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.
- 2. Stimulus diffusion example? Also asked in: Analyst, Bank Clerk, Bank PO
Correct Answer: Stimulus diffusion is a type of expansion diffusion in which the idea is acceptable or adopted but not in its original form and expanded to culturally acceptable For example : 1 Mc Donalds is also in India but not in beef Indians culture will not accept beef and so it is with different forms like veg, non veg but the idea is same 2 Yoga is an idea where in different regions use yoga for different reasons but the idea is same
- 3. Which clade does not include humans?
Options- A. diapsids
- B. craniates
- C. synapsids
- D. lobe fins Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: diapsids
- 4. Which of the following is an example of secondary succession?
Options- A. sedimentation on the bottom of drained lake
- B. landscaping at a golf course
- C. reforestation of the cedar forests of the northwest
- D. scrub grasses growing on a newly exposed dune Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: reforestation of the cedar forests of the northwest
Explanation:
Secondary succession means in an ecosystem renewal of itself after all or a portion has been destroyed.
After a forest fire, the whole forest had destroyed but after that again renewal of that forest is also an example of secondary succession.
- 5. Particles of matter are continuously moving.
Options- A. TRUE
- B. FALSE Also asked in: AIEEE, Bank Exams, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: TRUE
Explanation:
Yes, in any matter the particles are always moving. But the speed of the particles moving sepends on the temperature. As temperature increases, the speed of the particles also increases.
- 6. Which of the following foods does not support bacterial growth?
Options- A. Saut ed onions
- B. Raw egg
- C. Both A & B
- D. Gravy Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Raw egg
Explanation:
Dried foods like raw egg, raw carrots, milk powder, etc... are the foods that do not support bacterial growth and has a long storage life.
- 7. Fat in the body helps to protect vital organs.
Options- A. TRUE
- B. FALSE Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: TRUE
Explanation:
In the body, the fat stored can be served as a cushions or insulation which protects the vital organs in the body from the external damage in the environment.
- 8. Credit of developing polio vaccine goes to
Options- A. J.L. Baird
- B. Selman Waksman
- C. Both A & B
- D. Jones Salk Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Jones Salk
- 9. The longest bone in the human body is
Options- A. femur
- B. stapes
- C. fibula
- D. tibia Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: femur
Explanation:
The femur is the longest bone in the human body. It is also called as thigh bone. Stapes in the shortest bone in the body that is present in the middle ear.
- 10. The process of making RNA from DNA is called
Options- A. Replication
- B. Translation
- C. Transcription
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Transcription
Explanation:
The process of making RNA from DNA is called Transcription.
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