| 1 |
The first cell formed due to the fusion of reproductive cells in plants in called. |
- A. Embryo
- B. Zygote
- C. Root
- D. Stem
|
| 2 |
The outer layer of human skin is |
- A. Endodermis
- B. Cortex
- C. Pitch
- D. Epidermis
|
| 3 |
The average life span of RBCs is. |
- A. 110 days
- B. 115 days
- C. 118 days
- D. 120 days
|
| 4 |
The temperature of melting ice in Fahrenheit scale is. |
- A. 0 oF
- B. 32 oF
- C. 100 oF
- D. 212 oF
|
| 5 |
Billins of new blood cells are produced daily in |
- A. Heart
- B. Lever
- C. Spleen
- D. Bone -marrow
|
| 6 |
A solution is a |
- A. Homogenous mixture
- B. Heterogeneous mixture
- C. Compound
- D. Equal mixture
|
| 7 |
The average energy due to movement of molecules in a substances is called. |
- A. Potenital energy
- B. Electric energy
- C. Kinetic energy
- D. Chemical energy
|
| 8 |
The particle of an atom having negative charge on it. |
- A. Electron
- B. Proton
- C. Neutron
- D. Nucleus
|
| 9 |
While writing a chemical formula positive ionis written on. |
- A. Right
- B. Left
- C. Center
- D. All of these
|
| 10 |
------------- in mouth has antiseptic property and kills microogansms in food. |
- A. Tongue
- B. Teeth
- C. Saliva
- D. Trachea
|