[ DOST 22 ] DOST SCHOLARSHIP EXAM REVIEWER XXII

DOST SCHOLARSHIP EXAM REVIEWER

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. What is the derivative of the function f(x) = ln(x² + 1)?

A) 1 / (x² + 1)
B) (2x) / (x² + 1)
C) 2 / (x² + 1)
D) ln(2x)

2. Which part of the brain is responsible for maintaining balance and coordination?

A) Cerebrum
B) Brainstem
C) Cerebellum
D) Hypothalamus

3. In advanced grammar, what is the subjunctive mood used for?

A) Expressing factual statements
B) Expressing wishes, hypotheticals, or demands
C) Expressing commands directly
D) Asking questions politely

4. Solve: lim(x→0) (sin(3x)/x)

A) 1
B) 0
C) 3
D) ∞

5. What is the primary function of the mitochondria?

A) Protein synthesis
B) Genetic information storage
C) Energy production through ATP
D) Lipid metabolism

6. Identify the sentence with correct parallel structure.

A) She likes to swim, jogging, and to ride bikes.
B) She likes swimming, jogging, and biking.
C) She likes to swim, to jog, and to bike.
D) She likes swim, jog, and biking.

7. Find the value of x: log₅(x) = 3

A) 15
B) 125
C) 25
D) 625

8. Which process increases genetic variation during meiosis?

A) DNA replication
B) Cytokinesis
C) Mitosis
D) Crossing-over

9. Which of the following uses an ellipsis correctly?

A) “I love pizza… it’s the best.”
B) “She began, ‘I just thought… maybe we could talk.’”
C) “He…he left.”
D) “Go to the store… apples.”

10. Evaluate the definite integral: ∫₀² (x³) dx

A) 4
B) 6
C) 4
D) 8

11. What is the solution to the differential equation dy/dx = 6x, given that y(0) = 2?

A) y = 3x²
B) y = 3x² + 2
C) y = 6x + 2
D) y = x³ + 2

12. Which organelle plays a crucial role in detoxifying chemicals and metabolizing lipids?

A) Nucleolus
B) Mitochondria
C) Smooth Endoplasmic Reticulum
D) Ribosome

13. In English grammar, what function does a nominal clause serve?

A) It modifies verbs like adverbs.
B) It functions as a noun.
C) It expresses comparison.
D) It joins two independent clauses.

14. What is the Laplace Transform of f(t) = t?

A) 1/s
B) s
C) 1/s²
D) s²

15. Which of the following hormones is directly involved in glucose regulation?

A) Cortisol
B) Estrogen
C) Insulin
D) Melatonin

16. Choose the grammatically correct complex sentence:

A) I enjoy painting, I don’t have time.
B) Although I enjoy painting, I don’t have time.
C) I enjoy painting; I don’t have time.
D) I don’t have time. I enjoy painting.

17. Determine the convergence of the series: ∑ (1/n²), from n=1 to ∞

A) Divergent
B) Conditionally convergent
C) Absolutely convergent
D) Oscillatory

18. Which type of RNA carries amino acids to the ribosome?

A) mRNA
B) tRNA
C) rRNA
D) snRNA

19. Which sentence demonstrates correct use of the subjunctive mood?

A) If I was you, I would leave.
B) If I was taller, I could reach it.
C) If I were you, I would leave.
D) I wish I was taller.

20. What is the result of evaluating the determinant of the matrix [[1, 2], [3, 4]]?

A) 0
B) 10
C) -2
D) 2

21. Which phase of the cell cycle is primarily responsible for DNA replication?

A) M phase
B) S phase
C) G2 phase
D) G1 phase

22. Identify the sentence with correct usage of a colon:

A) She brought: apples, oranges, and grapes.
B) She brought the following items: apples, oranges, and grapes.
C) She brought apples: oranges and grapes.
D) She: brought apples, oranges, and grapes.

23. If sin(θ) = 1/2 and θ is in the second quadrant, what is the value of cos(θ)?

A) √3/2
B) -√3/2
C) -√3/2
D) -1/2

24. Which of the following is the best definition of “mitosis”?

A) Cell division producing gametes
B) Division of the nucleus producing identical daughter cells
C) Duplication of chromosomes during DNA synthesis
D) Change in genetic expression

25. Choose the sentence with correct subject-verb agreement.

A) The group of students are noisy.
B) The data was conclusive.
C) Neither the teacher nor the students are present.
D) The number of books are increasing.

26. Find the derivative of f(x) = sin(x)cos(x)

A) cos²(x)
B) sin²(x)
C) cos²(x) - sin²(x)
D) 2sin(x)

27. What organ produces bile to aid in digestion?

A) Stomach
B) Liver
C) Gallbladder
D) Pancreas

28. Which sentence uses a semi-colon correctly?

A) I have a meeting; and you have class.
B) I have a meeting; because you have class.
C) I have a meeting; you have class.
D) I have a meeting you; have class.

29. What is the limit of (x² - 4)/(x - 2) as x approaches 2?

A) 0
B) 4
C) 2
D) ∞

30. Which gas is most responsible for the greenhouse effect?

A) Oxygen
B) Nitrogen
C) Hydrogen
D) Carbon dioxide

Result

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