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- Question
An enzyme speeds up a reaction by
Options- A. raising the activation energy
- B. absorbing energy
- C. lowering the activation energy
- D. None of the above
- Correct Answer
- lowering the activation energy
ExplanationAn enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.
- 1. Which gases in the atmosphere absorb ultraviolet radiation?
Options- A. Ozone
- B. Carbondi oxide
- C. Oxygen
- D. Helium Discuss
- 2. Which of the following disease is not caused by bacteria?
Options- A. Tetanus
- B. Dengue
- C. Malaria
- D. Cholera Discuss
- 3. Which statement about tobacco use is true?
Options- A. Smoking can lead to emphysema as well as strokes
- B. Smokeless tobacco can lead to cancer but is not addictive
- C. Smoking relaxes people because it lowers the heart rate
- D. All of the above Discuss
- 4. Primary productivity is not limited by
Options- A. Time
- B. Availability of sunlight
- C. Water
- D. Nutrients Discuss
- 5. The atmosphere is unaffected by changes in the geosphere.
Options- A. TRUE
- B. FALSE Discuss
- 6. The wrist is what to the hand?
Options- A. Deep
- B. Proximal
- C. Lateral
- D. Superior Discuss
- 7. What is the main cause of Tsunami?
Options- A. Tectonism
- B. Earthquake on Sea Surface
- C. Tidal force
- D. All of the above Discuss
- 8. Activation of the receptors by stimuli is called
Options- A. Perception
- B. Habituation
- C. Adaptation
- D. Sensation Discuss
- 9. Exercise is a subset of physical activity that is
Options- A. Repetative
- B. Planned
- C. Structured
- D. All of the above Discuss
- 10. Core of earth is also known as
Options- A. Barysphere
- B. Centrosphere
- C. Besosphere
- D. Lithosphere Discuss
General Science problems
Search Results
Correct Answer: Ozone
Explanation:
The ozone gas present in the atmosphere absorb ultraviolet radiation. It is spread as a ozone layer throughout the stratosphere.
Correct Answer: Dengue
Explanation:
Dengue is the disease that is not caused by bacteria.
Correct Answer: Smoking can lead to emphysema as well as strokes
Explanation:
Smoking can lead to emphysema as well as strokes is the true statement regarding tobacco use. Emphysema is related to the failure of lungs air sacs and cilia that eliminate the dust from the body.
Correct Answer: Time
Explanation:
Primary productivity refers to plants that make their own food using sunlight, water and availability of nutrients. Hence, they are not limited by time.
Correct Answer: TRUE
Explanation:
True, the given statement that the atmosphere is unaffected by changes in the geosphere.
Correct Answer: Proximal
Correct Answer: Earthquake on Sea Surface
Explanation:
The main cause of Tsunami is Earthquake on Sea Surface.
Correct Answer: Sensation
Explanation:
Activation of the receptors by stimuli is called Sensation.
Correct Answer: All of the above
Explanation:
Exercise is a subset of physical activity that is planned, structured and repetative.
Correct Answer: Barysphere
Explanation:
Core of earth is also known as Barysphere.
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