NSMQ2025 Preliminary Stage Sample Past Questions and Answers (True/False & Fundamental): SET 02.

Preamble: Given vectors A =2i +3j and B = i + 4j, find the magnitude of the given vector as a simplified set.

1. 2A + B

Ans: 5√5 units

2. 2A – B

Ans: √13 units

3. A + 2B

Ans: √137 units

Preamble: Find the change in kinetic energy of an object of weight W in free fall when its height above ground changes from H1 to H2.

4. W = 8.0N, H1 = 5.0m, and H₂ = 2.0m

Ans: 24J

5. W = 5.0N, H1 = 3.0m, and H2 = 6.0m

Ans: -15J

6. W = 7.0N, H1 = 4.0m, and H2 = 7.0m

Ans: -21J

7. What type of meristem involves the vascular cambium and cork cambium?

Ans: lateral meristem

8. What name is given to the meristems derived from the pro-meristem?

Ans: Primary meristem

9. Which meristem is responsible for the increase in the girth of the plant?

Ans: lateral meristem

Preamble: For the elements with the given atomic number, indicate which of the ionization energy transitions, first to second, second to third, third to fourth, and fourth to fifth, will experience the greatest increase in energy?

10. Element with atomic number 4

Ans: second to third

11. Element with atomic number 12

Ans: second to third

12. Atomic number 19

Ans: first to second

Preamble: Find the common ratio of an exponential sequence, if the three consecutive terms are;

13. X (x + 2) (x + 5)

Ans: 3/2

14. (x+ 1) (x + 2) (x + 4)

Ans: 2

15. (x + 3) (x – 2) (x – 6)

Ans: 4/5

Preamble: Find the quantity of heat required for the given temperature change of an object of heat capacity 250 kJK^-1.

16. 25^oC to 43^oC

Ans: 4.5 x 10⁶ J

17. 1^oC to 31^oC

Ans: 7500 kJ

18. 22^oC to 48^oC

Ans: 6.5 x 10⁶ J

Preamble: Indicate whether the following bones are parts of the appendicular or the axial skeleton.

19. Pelvic girdle

Ans: Appendicular

20. Patella

Ans: Appendicular

21. Clavicle

Ans: Appendicular

22. A sample of calcium chloride (CaCl) weighs 55.5g. What is the mass of calcium in this sample?

Ans: 20.0g

23. The percentage of calcium carbonate in egg shells is 28.0%. Determine the mass of calcium in 50.0g of eggshell.

Ans: 5.60g

24. A sample of magnesium fluoride weighs 186g. What is the mass of magnesium in this sample?

Ans: 72.0g

25. Find the linear momentum of a steadily moving object of mass 3kg whose position changes from 2i meters to 2j meters in 2 seconds.

Ans: (3j – 3i) kg ms^-1.

TRUE/FALSE

1. A quadratic function has an inverse.

Ans: false

2. A linear function has an inverse

Ans: True

3. A cubic function has an inverse

Ans: false

Preamble: If two forces are equal;

4. They have the same magnitude

Ans; True

5. They can be perpendicular to each other.

Ans: False

6. They can have opposite directions.

Ans: False

7. Cortex is a derivative of the ground meristem.

Ans: True

8. Pit is a derivative of the ground meristem.

Ans: True

9. Mesoderm is a derivative of the ground meristem.

Ans: False

10. At constant volume, the pressure of a gas increases as the temperature increases.

Ans: True

11. At constant temperature, the pressure and the volume of a gas are directly proportional.

Ans: False

12. At constant temperature. If the pressure on a gas is halved, its volume also halves.

Ans: False

Preamble: In any triangle, the given point lies inside the triangle

13. Auto center.

Ans: False

Ans: False

Ans: True

16. The trajectory of a projectile is parabolic.

Ans: False

17. A projectile launched horizontally moves along a straight line.

Ans: False

18. The trajectory of a projectile can be a straight line.

Ans: True

19. Plasma membranes are assemblies of carbohydrates, proteins, and lipids held together by binding forces.

Ans: False

20. The fluid-mosaic model describes membranes as a fluid protein bilayer with floating lipids and carbohydrates.

Ans: False

21. Proteins of the plasma membranes are major recognition and attachment sites for pathogens during infections.

Ans: False

22. Specific heat capacity is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.

Ans: True

23. The heat capacity of an object depends on both its mass and the nature of the substance.

Ans: True

24. Specific heat capacity is an intensive property.

Ans: True.

Source: Galmeek.com

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