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- Question
Glass is made of the mixture of
Options- A. sand and silicates
- B. quartz and sand
- C. mica and quartz
- D. mica and silicates
- Correct Answer
- sand and silicates
ExplanationA glass is made of liquid sand. You can make glass by heating ordinary sand and made into a liquid and mix with silicates to form a glass.
- 1. The first stage in the formation of coal is
Options- A. Lignite
- B. Bituminous
- C. Anthracite
- D. Peat Discuss
- 2. Most important weather phenomena occur in the
Options- A. Troposphere
- B. Stratosphere
- C. Ionosphere
- D. Thermosphere Discuss
- 3. Water is an excellent solvent because Discuss
- 4. Pollen grains in plants are produced in
Options- A. Flower
- B. Stem
- C. Roots
- D. Leaves Discuss
- 5. What color does yellow and green make?
Options- A. Lime
- B. Ocean mist
- C. Maroon
- D. Tangerine Discuss
- 6. Water is a compound because it?
Options- A. it contains two different elements joined by chemical bond
- B. it contains hydrogen & oxygen
- C. it exists as solid, liquid or gas
- D. it cannot be split up into simpler substances by chemicals means Discuss
- 7. What are the sides of the dna ladder made of
Options- A. nitrates and sugars
- B. sugars and hydrates
- C. sugars and phosphates
- D. phosphates and nitrates Discuss
- 8. Study of fishes is called
Options- A. Amphiology
- B. Phylumology
- C. Zoology
- D. Ichthyology Discuss
- 9. The concept of carbon credit originated from
Options- A. G-8 Summit, Hciligendamm
- B. Earth Summit, Rio de Janeiro
- C. Montreal Protocol
- D. Kyoto Protocol Discuss
- 10. The term biodiversity refers to
Options- A. Range of genetic variation within a population
- B. Total number of different species within a habitat
- C. Both A & B
- D. None of the above Discuss
General Science problems
Search Results
Correct Answer: Peat
Explanation:
The first of the four stages of coal formation is lignite coal.
There are four stages of coal formation:
1. Peat,
2. Lignite,
3. Bituminous and
4. Anthracite.
The bacteria has removed a large portion of the other constituents of the plant matter and left around 25 to 34 percent.
Correct Answer: Thermosphere
Explanation:
Most important weather phenomena occur in the layer of Thermosphere.
Most of the weather phenomenon occur in the layer of Troposphere.
Correct Answer: Water is capable of dissolving a variety of different substances, which is why it is such a good solvent And, water is called the "universal solvent" because it dissolves more substances than any other liquid It means that wherever water goes, either through the ground or through our bodies, it takes along valuable chemicals, minerals, and nutrients
Correct Answer: Flower
Correct Answer: Lime
Correct Answer: it contains two different elements joined by chemical bond
Explanation:
We know that All compounds are molecules, but not all molecules are compounds.
Water is a molecule because it is made from atoms that have been chemically combined. It is also a compound because the atoms that make water are not all the same - some are oxygen and some are hydrogen.
Hence, Water is a molecule and a compound.
Correct Answer: sugars and phosphates
Explanation:
DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.
Correct Answer: Ichthyology
Explanation:
Ichthyology is the branch of biology devoted to the study of fish.
It is also known as Fish science which includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha).
Correct Answer: Kyoto Protocol
Explanation:
The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.
Correct Answer: Both A & B
Explanation:
The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it.
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