Entrance Exam for Natural Science Students

Assume you are trying to investigate the general living aspect of one living organism in a certain habitat. Which of the following is the correct scientific method that you will follow?

• Observation, hypothesis, prediction, experimentation, results, conclusion, recommendation

• Observation, prediction, hypothesis, experimentation, results, conclusion, recommendation

• Observation, hypothesis, experimentation, prediction, results, conclusion, recommendation

• Observation, prediction, hypothesis, experimentation, results, recommendation, conclusion

In which of the following organelles of a cell and its role is mismatched?

• Rough Endoplasmic Reticulum - Produces and releases a variety of proteins.

• Golgi Apparatus/Complex/ - Modifies, sorts, and packages proteins.

• Mitochondria - Extract energy from sun and transform it into usable form

• Lysosomes - Take up and break down old and worn out organelles.

Assume a cell takes up two glucose molecules and undertake it in to metabolic reaction through cellular respiration. How many net ATP molecules will form at the end of complete metabolism?

• 36/38 ATP

• 34/38 ATP

• 72/76 ATP

• 2/4 ATP

All of the followings are point mutations except:

• Substitution

• Addition

• Deletion

• Aneuplody

Assume an animal cell which have 30% of salt concentration inserted in to a solution placed in the beaker which have 10% of salt concentration. From this information which one of the following is true?

• The solution is hypotonic and water move from cell to the solution in the beaker.

• The solution in the beaker is hypertonic and water move from the solution to the cell.

• The solution in the beaker is hypotonic and water move from the beaker into the cell.

• The solution in the beaker is hypertonic and water move from the cell to the solution.

The ability of a microorganism to cause disease is termed as

• Virulence

• Pathogenesity

• Pathogen

• Viron

Which of the following equations satisfy the law of conservation of mass?

• H2 + O2→ H2O

• 2H2 + O2 → 2H2O

• 3H2 + O2 → 2H2O

• 5H2 + O2 → 3H2O

Which of the following alternatives is heterogeneous mixture?

• 0.1 M HCl solution

• Human blood

• Brine solution

• 0.1 M KMnO4

The prefix 'femto' is equivalent to

• 10-9

• 10-12

• 10-6

• 10-15

Which of the following alternatives has intrinsic property?

• Mass

• Density

• Volume

• All except 'B'