Objective type questions in written exam test of Trf Ltd
1 → Questins : Cell theory states that all organisms are made up of one or more similar units of organization called cells. Which of the following organisms do not strictly adhere to this theory?
Option a> : protozoa
Option b> : bacteria
Option c> : viruses
Option d> : algae
2 → Questins : Which of the following is the most accurate description of comets?
Option a> : Comets are small, rocky bodies that orbit the Sun primarily between the orbits of Mars and Jupiter.
Option b> : Comets are celestial bodies having a solid head and an elongated vapour tail when close to the Sun.
Option c> : Comets are interplanetary matter that pass through the Earth’s atmosphere and strike the ground.
Option d> : Comets are heavenly bodies that orbit a larger astronomical body, but smaller than moons.
3 → Questins : The figure below shows a light dimmer - as the slider is moved in the direction of the arrow, the light dims.
[399_6_q.jpg,200]
Which of these principles is the functioning of a light dimmer based on?
Option a> : Resistance of a wire depends on its thickness
Option b> : Resistance of a wire depends on its length.
Option c> : Resistance of a wire depends on its material
Option d> : Resistance of a wire is not uniform at different points.
4 → Questins : Microorganisms causing diseases like tuberculosis (TB) sometimes develop resistance to the drug due to their exposure to the drugs. Which of these could contribute to this resistance?
Option a> : Patients not completing the treatment but stopping the course once they feel better.
Option b> : Patients not beginning the prescribed treatment at all for different reasons.
Option c> : Patients continuing the treatment beyond the prescribed period of medication.
Option d> : Patients following doctors’ advice and continuing the treatment exactly as instructed.
5 → Questins : In a closed container, 500 g of steam is cooled until all the steam becomes water. The container is then cooled further until all the water becomes ice.
Which of the following remains the same during both of these changes?
Option a> : the mass of the water
Option b> : the pressure in the container
Option c> : the temperature of the water
Option d> : the volume of the water
6 → Questins : Study the scale carefully. Ashok should represent the length of the nail as
[399_2_q.jpg]
Option a> : 3.8 cm
Option b> : 3.85 cm
Option c> : 4.8 cm
Option d> : 4.85 cm
7 → Questins : Which of the following diseases is spread by both contaminated food and contaminated water?
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