Podcast
Questions and Answers
The speedometer of a car measures:
The speedometer of a car measures:
- Average speed
- Acceleration
- None of these
- Instantaneous speed (correct)
The linear momentum of an object is 250 g cm/s. If the velocity of the object is 5 m/s, what is the mass of the object?
The linear momentum of an object is 250 g cm/s. If the velocity of the object is 5 m/s, what is the mass of the object?
- 0.5 g
- 5 kg (correct)
- 5 mg
- 0.5 mg
Which of the following phenomena would increase on raising the temperature?
Which of the following phenomena would increase on raising the temperature?
- Evaporation, solubility, diffusion, compression of gases (correct)
- Diffusion, evaporation, compression of gases
- Evaporation, diffusion, expansion of gases
- Evaporation, compression of gases, solubility
Which of the following statements concerning the reaction 2P + Q → P₂Q is correct?
Which of the following statements concerning the reaction 2P + Q → P₂Q is correct?
Sieve tubes and companion cells are present in:
Sieve tubes and companion cells are present in:
The connective tissue which provides elasticity to the skin is:
The connective tissue which provides elasticity to the skin is:
Cell was discovered by:
Cell was discovered by:
What information does the slope of a velocity vs time graph provide?
What information does the slope of a velocity vs time graph provide?
Which car is the slowest based on distance vs time graphs?
Which car is the slowest based on distance vs time graphs?
What does segment OA represent on a heating graph?
What does segment OA represent on a heating graph?
Why does temperature remain constant at boiling point?
Why does temperature remain constant at boiling point?
Which solid dissolves best in water at 30 ºC?
Which solid dissolves best in water at 30 ºC?
Which solid is most soluble in alcohol?
Which solid is most soluble in alcohol?
What are bone cells called?
What are bone cells called?
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Study Notes
General Instructions for the Test
- Total duration: 1 hour and 30 minutes, with no writing allowed in the first 15 minutes.
- Aim to complete all eleven questions across four sections:
- Section A: Competency Based Questions (1 mark each)
- Section B: Objective Based Questions (1 mark each)
- Section C: Short Answer Questions (2 marks each)
- Section D: Long Answer Questions (3 marks each)
Section A: Multiple Choice Questions
- Speedometer measures instantaneous speed.
- Linear momentum = 250 g cm/s; velocity = 5 m/s; mass of the object = 0.5 g.
- Increases with temperature: evaporation, diffusion, and expansion of gases.
- Reaction 2P + Q → P₂Q characteristics:
- (ii) Product has fixed composition.
- Sieve tubes and companion cells are components of phloem.
- Elastic connective tissue of skin is areolar tissue.
- Cell discovery credited to Robert Hooke.
Section B: Case-Based Questions
- Analysis of cars A, B, C, and D through distance vs. time graphs:
- Slope of velocity vs. time graph indicates acceleration.
- Identification of the slowest car through graph analysis.
- Boiling process in liquids explained:
- Segment OA symbolizes temperature rise until boiling point.
- Constant temperature at boiling point due to phase change energy absorption.
- Solubility table reveals:
- Sugar dissolves best in water (210 g at 30 ºC).
- Most soluble solid in alcohol is iodine (24 g).
- Bone characteristics:
- Composed of hard, porous tissue providing structural support.
- Contains ossein protein, calcium, and magnesium phosphates.
- Bone cells within the matrix are called osteocytes.
Section C: Additional Concepts
- Importance of cell membranes in maintaining separation from the external environment in complex cells.
- Understanding of cell types and their functions relative to the skeletal system and body support.
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