[UPDATED] NDA Compendium Past Questions and Answers Pdf For 2024/2025

Free NDA past questions and answers pdf is now available online, and if you have been searching for NDA Past Questions and Answers? You’re on the right page.

You can get a copy of the Nigerian Defence Academy’s (NDA) past questions and answers here. This study material is now a PDF format for easy download.

The 2024 NDA Question Paper PDF for students is available online for free, and you get yours by downloading the PDF.

Whenever it comes to closing time for an external exam such as the NDA exam, you need the right materials such as past questions papers and to know how many hours you will need to finish your NDA Questions during exam day.

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Free NDA Past Questions And Answers PDF Samples For 2024/2025

Which of the following statements about friction is NOT correct?
A. The force of kinetic friction is less than the force of static
B. The force of kinetic friction between two surfaces is independent of the areas in contact provided the normal reaction is
C. The force of rolling friction between two surfaces is less than the force of sliding
D. The angle of friction is the angle between the normal reaction and the force
E. Friction may be reduced by lubrication

For which of the under-listed quantities is the derived unit ML2T-2 correct?
I Moment of a force
II Work
III Acceleration

A. I only
B. II only
C. III only
D. I and II
E. II and III

What volume of alcohol with a density of 8.4 x 102kg m-3 will have the same mass as 4.2m3 of petrol whose density is 7.2 x 102kg m-3?
A. 1.4 m3
B. 3.6 m3
C. 4.9 m3
D. 5.0 m3
E. 5.8 m3

For correcting long-sight defects in the human eye we require a
A. Converging lens
B. Diverging lens
C. Microscope
D. Periscope
E. Plain glass sheet.

For a concave mirror to form a real diminished image, the object must be placed
A. Behind the mirror
B. Between the mirror and in focus
C. Between the focus and the center of curvature
D. At the center of curvature
E. At a distance greater than the radius of curvature.

The unit quantity of electricity is called
A. The ampere
B. The volt
C. The coulomb
D. The ammeter
E. Electromotive force.

The resistance of a wire depends on
A. The length of the wire
B. The diameter of the wire
C. The temperature of the wire
D. The resistivity of the wire
E. All of the above.

When a yellow card is observed through blue glass, the card would appear as
A. Black
B. Green
C. Red
D. White

In a nuclear plant, the final mass of the products is 6.32×10^-27kg, while the initial mass of the reactant is 6.30×10^-27kg, the energy released in the process is (speed of light in vacuum 3.0×10^8m/s, 1eV = 1.6×10^-19J)

A. 11.25meV
B. 11.25 MJ
C. 12.25MJ
D. 12.25meV

A 1.5kg stone was thrown vertically upward with an initial velocity of 42m/s, What is the potential energy of the stone at the highest point reached.
A. 3.15J
B. 13.23J
C. 26.46J
D. 63.00J

When two objects P and Q are supplied with the same quantity of heat, the temperature change in p is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat of P to Q is
A. 1:4
B. 4:1
C. 1:1
D. 2:1

The following statements were made by some students describing what happened during the determination of the melting point of solids

I. The temperature of the solid was constant until melting started

II. The temperature of the solid rose until melting started

III. During melting, the temperature was rising

IV. During melting, the temperature was constant

V. The temperature continued to rise after all the solids had melted.

The temperature stopped rising after all the solids had melted. Which of the following gives correct statements in the right order?
A. ii, 1v and v

B. ii, iii and vi

C. i, iii and vi

D. i, iii and v

A cell is a functional unit of living organisms due to

A.  multicellular organisms are made up of cells

B. all cells in a multicellular organism function as a single-cell

C. the function of a multicellular organism is the total of the functions of its constituent cells

D. the function of a single cell is superior to that of the multicellular organism

E. the cells of a multicellular organism are similar in structure

ANSWER: A ( multicellular organisms are made up of cells )

The organelle that eliminates water from the body of protozoa is

A. plasma membrane

B. contractile vacuole

C. cell wall

D. protoplasm

E. nucleus

ANSWER: B ( contractile vacuole )

Spirogyra is known to be a multicellular plant due to …

A. its cells are linked together by cytoplasmic strands

B. its cells are joined to form organs

C. the cylindrical cells are linked end to end

D. the filaments consist of one cell only

E. it is an algea containing large vacuoles

ANSWER: A ( its cells are linked together by cytoplasmic strands )

The mechanism of gaseous exchange in living organisms is controlled by..

A. osmosis

B. inhalation

C. diffusion

D. exhalation

E. breathing

ANSWER: C (diffusion)

Which of the following statements is true about diffusion?

A. it involves the movement of water molecules only

B. Molecules move from a region of higher concentration to a region of lower concentration

C. differentially permeable membrane must be present for diffusion to occur

D. It involves when a solute can no longer dissolve in a solvent of only solute molecules into the Bowman’s capsule

E. It occurs when a solute can no longer dissolve in a solvent

ANSWER: E (It occurs when a solute can no longer dissolve in a solvent)

The process of anearobic respiration of yeast in sugar solution is known as

A. oxidation

B. fermentation

C. tissue respiration

D. alcohol production

E. decomposition

ANSWER: B

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