| 1 |
The humna circulatory system is consist of |
- A. Heart
- B. Blood
- C. Blood vessels
- D. All of these
|
| 2 |
When water molecule gain a proton it form |
- A. H+
- B. OH-
- C. H3O
- D. <blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;">H2O</blockquote>
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| 3 |
Which is nto used in the preparation of lemon pickle. |
- A. Lemon
- B. Sugar
- C. Tea leaves
- D. Acetic Acid
|
| 4 |
The first cell formed due to the fusion of reproductive cells in plants in called. |
- A. Embryo
- B. Zygote
- C. Root
- D. Stem
|
| 5 |
Letter K is used to express theshell around the nucleus of an atom. |
- A. 1st
- B. 2nd
- C. 3rd
- D. 4th
|
| 6 |
How many atoms orm one molecuel of chlorine. |
|
| 7 |
Mineral required in the formation of chlorophyll. |
- A. Iodine
- B. iron
- C. Phosphorus
- D. Magnesium
|
| 8 |
The weight of an object in Earth's gravitaional field depends on. |
- A. Mass of the object
- B. Acceleration due to gravity
- C. Both a and b
- D. None of these
|
| 9 |
The outer layer of human skin is |
- A. Endodermis
- B. Cortex
- C. Pitch
- D. Epidermis
|
| 10 |
Strength of solution depends on the amount of. |
- A. Solute
- B. Solvent
- C. Pressure
- D. Temperature
|