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- Question
Through which microscope were cells first observed?
Options- A. Compound
- B. Simple
- C. Electron
- D. Tunneling
- Correct Answer
- Compound
ExplanationA microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.
- 1. Hydroplaning is usually caused by
Options- A. Excessive speed
- B. Sudden stops
- C. Sudden turns
- D. All of the above Discuss
- 2. The shape of our Milky way galaxy is
Options- A. Spherical
- B. Oval
- C. Circular
- D. None of the above Discuss
- 3. Which of the following is known as thinnest layer of the earth?
Options- A. Core
- B. Mantle
- C. Crust
- D. None of the above Discuss
- 4. Lime mortar is generally made with
Options- A. Hydraulic lime
- B. Quick lime
- C. Fat lime
- D. Plain lime Discuss
- 5. Scientific medicine typically develops in Discuss
- 6. Most pathogenic bacteria are thermophiles.
Options- A. TRUE
- B. FALSE Discuss
- 7. What substance gives plants their green color?
Options- A. Chloroform
- B. Chlorine
- C. Chlorophyll
- D. Caustic soda Discuss
- 8. What is fingerprint powder made of?
Options- A. Rosin
- B. Black ferric oxide
- C. Lamp black
- D. All of the above Discuss
- 9. Short term side effects of alcohol and other drugs include
Options- A. Temporary blindness
- B. Disrupted sleep
- C. Forgetfulness
- D. All of the above Discuss
- 10. Which of the following uses a nonrenewable energy source to make electricity?
Options- A. power plant
- B. wind mill
- C. swimming pool
- D. All of the above Discuss
General Science problems
Search Results
Correct Answer: Excessive speed
Correct Answer: Spherical
Explanation:
The shape of our Milky way galaxy is Spherical.
Correct Answer: Crust
Explanation:
The thinnest layer is crust. It is about 100km. Where as mantle ranges upto 2900 km and the inner most core ranges upto 6300km.
Correct Answer: Hydraulic lime
Explanation:
Lime mortar is generally made with Hydraulic lime.
Correct Answer: Scientific medicine typically develops in industruial societies
Correct Answer: FALSE
Explanation:
The given statement that "Most pathogenic bacteria are thermophiles" is FALSE.
Correct Answer: Chlorophyll
Explanation:
Chlorophyll is the pigment that gives pant leaves their green color.
Correct Answer: All of the above
Correct Answer: All of the above
Explanation:
Short term side effects of alcohol and other drugs include forgetfulness, temporary blindness and disrupted sleep.
Correct Answer: power plant
Explanation:
From the given options, a power plant uses a nonrenewable energy source to make electricity. A power plant uses coal for making power production.
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