1 |
The force acting normally unit area is. |
- A. Strees
- B. Strain
- C. Motion
- D. Pressure
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2 |
A symbiotic relationship in whihc both speciesl get benefit is called. |
- A. Commensalism
- B. Hebitate
- C. Mutualism
- D. Symbiosis
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3 |
The nearest star after the Sun is. |
- A. Rigel
- B. Sirius
- C. Aldebaran
- D. Proxima Centaure
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4 |
Strong alkalis have pH value. |
- A. 3 to 7
- B. 1 to 2
- C. 7 to 13
- D. 13 to 14
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5 |
Which factor is responsible for ecological imbalance. |
- A. Over hunting
- B. Change in water supply
- C. Migration
- D. All these
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6 |
An event that occurs during interphase. |
- A. Division of nuclesu
- B. Duplication of chromosomes
- C. Division of cytoplasm
- D. Formation of cell wall
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7 |
The unit of electric power is |
- A. Ampere
- B. Joule
- C. Volt
- D. Watt
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8 |
What happens when light hits a shiny or smooth surface. |
- A. It is disappeared
- B. It is refracted
- C. It is absorbed
- D. It is reflected
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9 |
In dilute HCl blue litmus turns. |
- A. Orange
- B. Yellow
- C. Red
- D. Pink
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10 |
Green house gases is |
- A. Carbon di oxide
- B. Methane
- C. Oxides of nitrogen
- D. All these
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