Discussion
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- Question
How is the nitrogen taken up by the plants? I. In the form of inorganic nitrates or nitrites II. In the form of organic compounds III. Directly taken up from the atmosphere
Options- A. Only I and II
- B. Only I and III
- C. Only II and III
- D. All I, II and III
- Correct Answer
- Only I and II
- 1. Polycot is a mixture of which among the following?
Options- A. Polyester and cotton
- B. Polyester and wool
- C. Rayon and cotton
- D. Rayon and wool Discuss
- 2. Equinox means the date when ___________.
Options- A. duration of day and night are equal
- B. day is longer than the night
- C. night is longer than the day
- D. it is the shortest day and the shortest night of the year Discuss
- 3. The salt concentration (measured as salinity in parts per thousand), is less than ______ % in inland waters.
Options- A. 5
- B. 20
- C. 50
- D. 75 Discuss
- 4. What is formed when Magnesium is burnt?
Options- A. Baking Soda
- B. Calcium Carbonate
- C. Ash
- D. Vinegar Discuss
- 5. The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
Options- A. Mulching
- B. Contour barriers
- C. Rock dam
- D. Terrace farming Discuss
- 6. Which of the following is indicated by the colour of a star ?
Options- A. weight
- B. distance
- C. temperature
- D. size Discuss
- 7. Which is the highest quality of hard coal?
Options- A. Anthracite
- B. Bituminous
- C. Lignite
- D. Peat Discuss
- 8. Which of the following is Study of fossils ?
Options- A. Ethology
- B. Etiology
- C. Anthropology
- D. Palaeontology Discuss
- 9. What is the source of natural energy of the hot springs at Manikaran in Himachal Pradesh ?
Options- A. Geothermal Energy
- B. Biomass Energy
- C. Thermal Energy
- D. Hydro Energy Discuss
- 10. The movement inside the Earth's crust is studied by which of the following ?
Options- A. Geology
- B. Seismology
- C. Plate tectonics
- D. Pantograph Discuss
General Science problems
Search Results
Correct Answer: Polyester and cotton
Correct Answer: duration of day and night are equal
Correct Answer: 5
Correct Answer: Ash
Correct Answer: Contour barriers
Correct Answer: temperature
Correct Answer: Anthracite
Correct Answer: Palaeontology
Correct Answer: Geothermal Energy
Correct Answer: Seismology
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