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- Question
Planets do not twinkle because
Options- A. Far distance
- B. Total internal reflection
- C. Refraction
- D. Near distance
- Correct Answer
- Near distance
ExplanationStars twinkle because they?re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun and other planets doesn?t twinkle because it?s too close to Earth compared to other stars.
- 1. Which of the following is not a polymer?
Options- A. DNA
- B. Glucose
- C. Starch
- D. Cellulose Discuss
- 2. Lipids are insoluble in water because lipids are
Options- A. Hydrophobic
- B. Zwitter ions
- C. Hydrophylic
- D. Neutral Discuss
- 3. Study of the sun is called
Options- A. Coronagraphy
- B. Seismography
- C. Helioseismology
- D. Heliography Discuss
- 4. Which gymnospermic plant cures rheumatism?
Options- A. Ephedra
- B. Pinus
- C. Araucaria
- D. Gnetum Discuss
- 5. Who proved that microorganisms cause disease?
Options- A. van Leeuwenhoek
- B. Koch
- C. Fleming
- D. Pasteur Discuss
- 6. The term hierarchy refers to
Options- A. a team in which everyone is equal and has to pull his or her own weight
- B. a power structure in which each member knows his or her own place
- C. a situation in which higher species such as men will always be in control of lower species such as animals
- D. a condition in which the weak must die so the strong can survive Discuss
- 7. Valve between the left ventricle and Aorta?
Options- A. Pulmonic valve
- B. Tricuspid valve
- C. Aortic valve
- D. Mitral valve Discuss
- 8. Which of these is a starting point for primary succession?
Options- A. a neglected yard
- B. a surface exposed by a retreating glacier
- C. an abandoned city
- D. abandoned farmland Discuss
- 9. Which of the following is a characteristic of all minerals?
Options- A. Crystalline solids
- B. Minerals are inorganic
- C. All minerals are formed in a natural process
- D. All the above Discuss
- 10. Which of the following is NOT true about energy balance?
Options- A. Inactive people use more energy so they should consume fewer calories.
- B. Energy balance is the balance between the amount of calories consumed and the amount used for energy.
- C. Energy balance is influenced by the amount of exercise one gets and their dietary habits.
- D. Stored body fat will increase if calorie intake is greater than energy used. Discuss
General Science problems
Search Results
Correct Answer: Glucose
Explanation:
Since A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Glucose is not a polymer.
Correct Answer: Hydrophobic
Explanation:
Lipids are soluble in solvents of low polarity, which simply means that lipids are soluble in nonpolar solvents. This solubility property is a result of the large nonpolar regions that are indicative of the lipid molecule.
Correct Answer: Helioseismology
Explanation:
Helioseismology is the study of the solar interior using observations of waves on the Sun's surface. It has done much to improve our understanding of the interior of the Sun, testing the physical inputs used to model stellar interiors and providing a detailed map of the Sun's structure and internal rotation.
Correct Answer: Gnetum
Explanation:
Oil from Gnetum spp a gymnosperm belonging to the family Gnetaceae is used to relieve the effects of rheumatism
The lianas and shrubs of Gnetum are found in the rain forests of the western ghats.
Correct Answer: Koch
Correct Answer: a power structure in which each member knows his or her own place
Explanation:
Hierarchy is a system of ranking in which members of a particular society are ranked in an ascending order depending on various factors.
Hence, the term hierarchy refers to a power structure in which each member knows his or her own place.
Correct Answer: Aortic valve
Explanation:
The Aortic valve - located between the left ventricle and the aorta
The Mitral valve - located between the left atrium and left ventricle
The Tricuspid valve - located between the right atrium and the right ventricle (and)
The Pulmonary (pulmonic) valve - located between the right ventricle and the pulmonary artery.
Correct Answer: a surface exposed by a retreating glacier
Correct Answer: All the above
Explanation:
Common properties of Minerals are :
1. All minerals are formed in a natural process.
2. Minerals are inorganic
3. Minerals are crystalline solids.
4. Every mineral is an element or compound with a definite chemical composition.
Correct Answer: Inactive people use more energy so they should consume fewer calories.
Explanation:
The given statement option A) is False regarding energy balance.
It should be "Inactive people use less energy so they should consume fewer calories."
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