April 24, 2024
Consider the following assertions :
1. The heat flows from a hotter object to a colder object.
2. The mode of heat transfer that continues till the whole water gets heated is known as convection.
3. The process by which heat is transferred from the hotter end to the colder end of an object is known as the conduction.
Which of the above assertions is/are correct?
  • (A) 1 only
  • (B) 2 only
  • (C) 2 and 3 only
  • (D) 1, 2 and 3
Which one of the following describes the direction of an electric current?
  • (A) Opposite to the direction of flow of electrons.
  • (B) In the direction of flow of electrons.
  • (C) In the direction of flow of protons.
  • (D) Opposite to the direction of flow of protons.
Consider the following statements:
1. Voluntary actions are controlled by Hindbrain.
2. Hearing, Smell is controlled by Fore-Brain.
Which of the above statements given above is/are Correct?
  • (A) 1 only
  • (B) 2 only
  • (C) Both 1 and 2
  • (D) Neither 1 nor 2
Regarding blood pressure, consider the following statements:
1. The Blood pressure is higher in Veins than in Arteries.
2. The normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg.
3. Blood pressure is measured with an instrument called sphygmomanometer.
Which of the statements given above is/are correct?
  • (A) 1 and 2 only
  • (B) 2 and 3 only
  • (C) 3 only
  • (D) 1, 2 and 3
What is the SI unit of electric charge?
  • (A) Volt
  • (B) Coulomb
  • (C) Ampere
  • (D) ohm
If an opaque object on the path of light becomes very small, light has a tendency to bend around it and not walk in a straight line. Which of the following effects given below, defines the statement?
  • (A) Diffraction of light
  • (B) Refraction of light
  • (C) Light interference
  • (D) Reflection of light
Which of the following use concave mirror?
1. Torches
2. Vehicles headlights
3. Dentists to see larger images of the patient's teeth.
4. Shaving mirror
Select the correct answer using the code given below:
  • (A) 1 and 2 only
  • (B) 2, 3 and 4 only
  • (C) 1, 3 and 4 only
  • (D) All of the above
Which of the following is a highly reactive metal which catches fire when exposed to air?
  • (A) Phosphorus
  • (B) Sodium
  • (C) Iodine
  • (D) Bromine
The number of chromosomes are present in human cell.
  • (A) 22 pairs
  • (B) 23 pairs
  • (C) 24 pairs
  • (D) 26 pairs
Consider the following statements:
1. Amoeba
2. Paramecium
3. Hen’s egg
4. White blood cells (WBCs)
Which of the above are examples of unicellular bodies?
  • (A) 1 and 2 only
  • (B) 3 and 4 only
  • (C) 1, 2 and 4 only
  • (D) 1, 2, 3 and 4

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