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- Question
Which is an example of a physical change?
Options- A. Dissolving sugar in water
- B. Breaking glass
- C. Melting of ice
- D. All of the above
- Correct Answer
- All of the above
ExplanationIn all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.
- 1. The chief constituent of gobar gas is
Options- A. Methane
- B. Carbon dioxide
- C. Ethane
- D. Hydrogen Discuss
- 2. Glucose is stored in the human body as
Options- A. Sucrose
- B. Glycogen
- C. Cellulose
- D. None of the above Discuss
- 3. Which is an example of an endothermic reaction?
Options- A. combustion
- B. mix of CaO with water
- C. coal is burnt
- D. photosynthesis Discuss
- 4. Data collected to date indicate that
Options- A. New species of bacteria may be discovered in wild animals.
- B. Humans and marine mammals cannot be infected by the same pathogens.
- C. Marine mammals do not get infectious diseases
- D. None of the above Discuss
- 5. Thermal energy is caused by the motion of
Options- A. atoms
- B. molecules
- C. Both A & B
- D. None of the above Discuss
- 6. Cartography is the science of
Options- A. coins
- B. maps
- C. cartoons
- D. None of the above Discuss
- 7. What is a group of emus called
Options- A. mob
- B. flock
- C. murder
- D. herd Discuss
- 8. What allows a cell to respond to a hormone?
Options- A. hormone response element
- B. presence of hormone receptor
- C. Adrenocorticotropic
- D. None of the above Discuss
- 9. From where do most producers get energy?
Options- A. plants
- B. sun
- C. water
- D. All of the above Discuss
- 10. Metal present in haemoglobin?
Options- A. magnesium
- B. aluminium
- C. iron
- D. copper Discuss
General Science problems
Search Results
Correct Answer: Methane
Correct Answer: Glycogen
Explanation:
Glucose stored in the form of glycogen in human bodies in the liver and muscles. Excess glycogen is stored as fat cells as liver can store a limited amount of glucose as glycogen.
Correct Answer: photosynthesis
Explanation:
A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction.
Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...
In the contrast, chemical reactions involving release of heat are known as exothermic reactions.
Examples : Combustion, coal is burnt, mix of CaO with water,...
Correct Answer: None of the above
Correct Answer: Both A & B
Correct Answer: maps
Explanation:
Cartography is the science which deals with the study and practice of making maps.
Correct Answer: mob
Correct Answer: presence of hormone receptor
Correct Answer: sun
Explanation:
Most producers use sun light for making their energy in the process of photosynthesis. The energy they prepared is sugar and glucose.
Correct Answer: iron
Explanation:
Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.
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