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- Question
For purifying drinking water alum is used
Options- A. TRUE
- B. FALSE
- Correct Answer
- TRUE
ExplanationIn purifying drinking water alum is used for coagulation of mud particles.
- 1. What structure separates the thoracic cavity from the abdominal cavity?
Options- A. Diaphragm
- B. Liver
- C. Lungs
- D. Heart Discuss
- 2. Which is a density independent factor in controlling a population?
Options- A. Food shortage
- B. Disease
- C. Floods
- D. All of the above Discuss
- 3. Which of the following is an air pollutant?
Options- A. Sulphur dioxide
- B. Ozone
- C. Water vapour
- D. Nitric oxide Discuss
- 4. The shadow zone exists because Discuss
- 5. Which term best describes how the solar system formed?
Options- A. Electrically
- B. Gradually
- C. Chemically
- D. Rapidly Discuss
- 6. Alcohol has many sensations and effects like
Options- A. loss of concentration
- B. dizziness
- C. nausea
- D. All of the above Discuss
- 7. Calcium absorption is facilitated by the presence of
Options- A. Vitamin D
- B. Vitamin C
- C. Vitamin A
- D. Vitamin K Discuss
- 8. The antiseptic compound present in dettol is
Options- A. Biothional
- B. Cresol
- C. Iodine
- D. Enloroxylenol Discuss
- 9. Charaka Samhita was a work on
Options- A. Astrology
- B. Law
- C. Medicine
- D. Religion Discuss
- 10. How many layers of skin does a human have?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
General Science problems
Search Results
Correct Answer: Diaphragm
Correct Answer: Floods
Explanation:
Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population, then such factor is called Density Independent Factor. It is things that the organisms have no control over.
Here in the given options, food shortage and disease are factors that are dependent on the number of population but Floods have no dependency.
Some examples of density independent factors are :: Earth quake, fires, volcanic eruptions, floods, and all natural calamities.
Correct Answer: Sulphur dioxide
Explanation:
Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.
Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.
In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.
Correct Answer: The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core There are two types of Shadow zones: one for P waves and one for S waves P wave shadows between 104-140 degree, both sides; S wave shadow from 105 of one side to 105 of the other
Correct Answer: Gradually
Correct Answer: All of the above
Explanation:
Alcohol has many sensations and effects like dizziness, nausea and loss of concentration.
Correct Answer: Vitamin D
Explanation:
The presence of vitamin D in the body enhances the absorption of calcium by the intestine.
Correct Answer: Enloroxylenol
Explanation:
The antiseptic compound present in dettol is Enloroxylenol.
Correct Answer: Medicine
Explanation:
Charaka Samhita was a work on Medicine.
Correct Answer: 3
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