| 1 |
Physical exploration of space is conducte both by human spaceflights and. |
- A. Telescope
- B. Robitic spacecraft
- C. Rocket
- D. Spectroscope
|
| 2 |
Bacterial does not have an organized |
- A. DNA
- B. Protein
- C. Gene
- D. Nucleus
|
| 3 |
Thermal decompositionof calcium carbonate produces a gas. |
- A. Oxygen
- B. Carbon di oxide
- C. Nitrogen
- D. Carbon monoxide
|
| 4 |
Sodium carbonate is an importnatsalt used for many purposes in indusies. Which acid is reacted with sodium hydroxide to get it. |
- A. Oxalic acid
- B. Citric acid
- C. Acetic Acid
- D. Carbonic acid
|
| 5 |
Exothermic reaction ae those reactions durng which heat is. |
- A. Given out
- B. Remain same
- C. Absorbed
- D. Used
|
| 6 |
Image distance for a virtual image is always taken. |
- A. Zero
- B. +2
- C. Positive
- D. Negative
|
| 7 |
Symbol and formulae of the reactants are written on....... side fo arrow. |
- A. Left
- B. Right
- C. Upward
- D. Both side
|
| 8 |
The characters which are passed from parents to off spring. |
- A. Environmental characters.
- B. Naturla characters
- C. Non -inheritable characters.
- D. Hereditary characters.
|
| 9 |
Which of the following type of mirror can form an image larger than the object. |
- A. Plane
- B. Convex
- C. Concave
- D. All of these
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| 10 |
Carbon burns in air to release energy along with the formation of. |
- A. Carbon dioxide and hydrogen
- B. Carbon monoxide and hydrogen
- C. Carbon di oxide
- D. Carbon dioixe and water
|