| 1 |
Quantitative observations are considered more accurate than qualitative observation because quantitative are |
- A. Invariable
- B. Measurable
- C. Recorded in terms of numbers
- D. All of these
|
| 2 |
Goiter is a disease caused as a result of deficiencies of ........... . |
- A. Iodine
- B. Iron
- C. Calcium
- D. Phosphorus
|
| 3 |
Coenzymes are small ................. molecules. |
- A. Organic
- B. Inorganic
- C. Both
- D. None
|
| 4 |
What is true about cofactors? |
- A. Break hydrogen bonds in proteins
- B. Help facilitate enzyme activity
- C. Increase activation energy
- D. Are composed of proteins
|
| 5 |
Which ions are involved in opening and closing of stomata? |
- A. Potassium ions
- B. Chloride ions
- C. Sodium ions
- D. Iodide ions
|
| 6 |
About .............% of body's calcium is stored in bone tissue. |
- A. 1%
- B. 99%
- C. 100%
- D. None
|
| 7 |
Binomial nomenclature was proposed by _____________ |
- A. Linnaeus
- B. Aristotle
- C. Whittaker
- D. Al Jahiz
|
| 8 |
Unicellular is. |
- A. Rabbit
- B. Euglena
- C. Horse
- D. Frog
|
| 9 |
Closely related genera are grouped into ____________ |
- A. Family
- B. Species
- C. Order
- D. Phyla
|
| 10 |
A cubic millimeter of blood contain about ............. million RBCs. |
|