| 1 |
the first Muslim scientist who detailed studied animals was. |
- A. Jabir Bin Hayan
- B. Abdul Mlaik Asmai
- C. Al-Razi
- D. Bu Ali Sina
|
| 2 |
Activation energy is required to: |
- A. Activation enzyme
- B. Start a reaction
- C. Speed up a reaction
- D. None
|
| 3 |
Ulcers occur in the: |
- A. Stomach
- B. Duodenum
- C. Esophagus
- D. All of these
|
| 4 |
................. are involved i protein synthesis. |
- A. SER
- B. RER
- C. Both
- D. None
|
| 5 |
The cells used for secretion of hormones are: |
- A. Muscles cells
- B. Nerve cells
- C. Grand cells
- D. RBCs
|
| 6 |
In which stage of the cell cycle each chromosome is duplicated and so it consists of two chromatids? |
|
| 7 |
Which one of the following is correct sequence in biological method? |
- A. Observations, Hypothesis , Law, Theory
- B. Hypothesis, observations, Deductions , Experimentation
- C. Observations, hypothesis, Deduction, Experimentation
- D. Law, Theory , Deduction, Observations
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| 8 |
All enzymes are composed of: |
- A. Lipids
- B. Carbohydrates
- C. Proteins
- D. Phosphates
|
| 9 |
Lysosomes were discovered by: |
- A. Rene de Duve
- B. Robert brown
- C. Schwaan
- D. Louls pastuer
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| 10 |
When an enzyme is no longer able to work, it is said to be: |
- A. Catalyzed
- B. Dead
- C. Cofactored
- D. Denatured
|