Q. According to Bernoulli's principle, what happens to the pressure of a fluid when its velocity increases?
  • A. Pressure increases
  • B. Pressure decreases
  • C. Pressure remains constant
  • D. Pressure fluctuates
Q. An object is at rest on a frictionless surface. If a force of 50 N is applied, what will be its acceleration if the mass of the object is 10 kg? (2022)
  • A. 2 m/s²
  • B. 5 m/s²
  • C. 10 m/s²
  • D. 20 m/s²
Q. An object is dropped from a height of 20 m. What is its potential energy at the top? (2021)
  • A. 200 J
  • B. 400 J
  • C. 600 J
  • D. 800 J
Q. An object is in equilibrium under the action of three forces: 10 N, 15 N, and 20 N. What is the resultant force acting on the object? (2019)
  • A. 0 N
  • B. 5 N
  • C. 10 N
  • D. 15 N
Q. An object moves with a uniform speed of 5 m/s. How far will it travel in 20 seconds? (2023)
  • A. 50 m
  • B. 75 m
  • C. 100 m
  • D. 125 m
Q. An object of mass 8 kg is acted upon by a net force of 32 N. What is the acceleration of the object? (2019)
  • A. 2 m/s²
  • B. 3 m/s²
  • C. 4 m/s²
  • D. 5 m/s²
Q. An object of mass 8 kg is moving with a velocity of 5 m/s. What is its momentum? (2020)
  • A. 20 kg·m/s
  • B. 30 kg·m/s
  • C. 40 kg·m/s
  • D. 50 kg·m/s
Q. Calcium is important for which of the following plant processes? (2020)
  • A. Nutrient transport
  • B. Cell wall stability
  • C. Photosynthesis
  • D. Respiration
Q. Calcium is important for which of the following processes in plants? (2020)
  • A. Nutrient transport
  • B. Cell division
  • C. Photosynthesis
  • D. Respiration
Q. Calcium is primarily involved in which of the following processes? (2020)
  • A. Photosynthesis
  • B. Cell wall stability
  • C. Nutrient transport
  • D. Respiration
Q. Deficiency of which nutrient causes chlorosis in plants? (2022)
  • A. Nitrogen
  • B. Phosphorus
  • C. Potassium
  • D. Calcium
Q. Deficiency of which nutrient causes the 'chlorosis' symptom in plants? (2022)
  • A. Nitrogen
  • B. Phosphorus
  • C. Potassium
  • D. Magnesium
Q. During inhalation, the pressure in the thoracic cavity: (2022)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Fluctuates
Q. During which phase of mitosis do the chromosomes align at the cell's equatorial plane? (2021)
  • A. Prophase
  • B. Metaphase
  • C. Anaphase
  • D. Telophase
Q. During which phase of respiration does oxygen enter the bloodstream? (2019)
  • A. Inhalation
  • B. Exhalation
  • C. Expiration
  • D. Inspiration
Q. During which phase of respiration does the diaphragm relax? (2023)
  • A. Inhalation
  • B. Exhalation
  • C. Gas exchange
  • D. Oxygen transport
Q. During which phase of the menstrual cycle does ovulation occur? (2020)
  • A. Follicular phase
  • B. Luteal phase
  • C. Menstrual phase
  • D. Ovulatory phase
Q. During which phase of the menstrual cycle does the endometrium thicken? (2020)
  • A. Follicular phase
  • B. Ovulation phase
  • C. Luteal phase
  • D. Menstrual phase
Q. Ethylene is produced in response to which of the following conditions? (2023)
  • A. High light intensity
  • B. Low oxygen levels
  • C. High humidity
  • D. Low temperature
Q. Faraday's law of electromagnetic induction states that the induced EMF in a circuit is proportional to what? (2019)
  • A. Rate of change of current
  • B. Rate of change of magnetic flux
  • C. Rate of change of resistance
  • D. Rate of change of voltage
Q. For a zero-order reaction, how does the concentration of reactants change over time? (2020)
  • A. Linearly
  • B. Exponentially
  • C. Quadratically
  • D. Logarithmically
Q. For the equilibrium 2A(g) ⇌ B(g) + C(g), if the volume of the container is decreased, what will happen to the equilibrium? (2020)
  • A. Shift to the left
  • B. Shift to the right
  • C. No change
  • D. Depends on temperature
Q. For the equilibrium reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what is the effect of decreasing the volume of the container? (2021)
  • A. Shift to the left
  • B. Shift to the right
  • C. No effect
  • D. Increase in temperature
Q. For the equilibrium reaction A ⇌ B, if the concentration of B is increased, what will be the effect on the equilibrium? (2023)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase in temperature
Q. For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), if the volume of the container is decreased, what will happen to the equilibrium? (2021)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Depends on the temperature
Q. For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what is the expression for Kp? (2020)
  • A. (P_NH3)^2 / (P_N2)(P_H2)^3
  • B. (P_N2)(P_H2)^3 / (P_NH3)^2
  • C. (P_NH3)^2 / (P_H2)^3
  • D. (P_N2)(P_H2) / (P_NH3)^2
Q. For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what is the expression for the equilibrium constant Kp? (2020)
  • A. (P_NH3)^2 / (P_N2)(P_H2)^3
  • B. (P_N2)(P_H2)^3 / (P_NH3)^2
  • C. (P_NH3)^2 (P_N2)(P_H2)^3
  • D. (P_N2)(P_H2)^3 (P_NH3)^2
Q. For the reaction: 2A(g) + B(g) ⇌ 3C(g), if the volume of the container is decreased, what will be the effect on the equilibrium? (2022)
  • A. Shift to the left
  • B. Shift to the right
  • C. No change
  • D. Increase in temperature
Q. For the reaction: 2A(g) + B(g) ⇌ 3C(g), what is the correct expression for the equilibrium constant Kc? (2021)
  • A. [C]^3 / ([A]^2[B])
  • B. [A]^2[B] / [C]^3
  • C. [C]^3 / [A]^2
  • D. [B] / [C]^3
Q. If 0.5 moles of a non-volatile solute are dissolved in 1 kg of water, what is the expected change in boiling point? (Kb for water = 0.52 °C kg/mol) (2021)
  • A. 0.26 °C
  • B. 0.52 °C
  • C. 1.04 °C
  • D. 0.78 °C
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