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HPSC 2024 — Science & Technology Questions with Answers

All 10 Science & Technology previous-year questions from HPSC 2024, each with the correct answer and a full explanation. Practise them as a free, timed mock test with instant scoring.

1. Q1.Space Missions

   Consider the following statements: 1. Aditya-L1, a space observatory with 9 payloads designed to study the Sun. 2. The VELC will take image the Sun’s atmosphere, the Corona at high resolution and time cadence. 3. Aditya -L1 carries an ultraviolet imager, 3 X-ray spectrometer and four in -situ instruments to measure plasma parameters. How many of the statements given above are correct?

   • a)Only one statement is correct.
   • b)Only two statements are correct.
   • c)All three statements are correct.
   • d)None of the statements is correct.
   • e)Question not attempted
2. Q2.Human Diseases

   Consider the following pairs: 1. Dengue : Caused by mosquito and spreads through blood 2. Typhoid : Caused by bacteria and spreads through water 3. Ringworm : Caused by fungus and spreads through worms How many of the above pairs are correctly matched?

   • a)Only one pair
   • b)Only two pairs
   • c)All three pairs
   • d)None of the pairs
   • e)Question not attempted
3. Q3.Energy Sources

   Consider the following statements : Statement I: Hydrogen is considered as a clean automobile fuel for future. Statement II: Hydrogen is the most abundant element in the universe. In the light of the above statements, choose the correct answer from the options given below:

   • a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.
   • b)Both Statement-I and Statement-II are correct but Statement-II is not the correct explanation for Statement-I.
   • c)Statement-I is correct but Statement-II is incorrect.
   • d)Statement-I is incorrect but Statement-II is correct.
   • e)Question not attempted
4. Q4.Fibres and Fabrics

   Consider the following pairs : 1. Ginning : Separation of cotton fibres from seeds 2. Weaving : Making yarn from fibres 3. Polyester : Melts on catching fire and sticks to the body How many of the above pairs are correctly matched?

   • a)Only one pair
   • b)Only two pairs
   • c)All three pairs
   • d)None of the pairs
   • e)Question not attempted
5. Q5.Acids, Bases and Salts

   Take few drops of onion juice, dilute vanilla essence and clove oil in three different test tubes and consider the following statements: 1. The characteristic smell of onion vanishes upon addition of NaOH, however it persists with HCl. 2. The characteristic smell of vanilla is lost upon addition of HCl, however it persists with NaOH. 3. The characteristic smell of clove oil is lost upon addition of NaOH in it. How many of the statements given above are correct?

   • a)Only one statement is correct.
   • b)Only two statements are correct.
   • c)All three statements are correct.
   • d)None of the statements is correct.
   • e)Question not attempted
6. Q6.Acids, Bases and Salts

   Consider the following statements: 1. When pH of rain water lies in the range of 6 to 7, it is called acid rain. 2. Tooth enamel starts to corrode when pH of mouth is greater than 7. 3. Under acidic conditions farmers would treat the soil with quick lime. How many of the statements given above are correct?

   • a)Only one statement
   • b)Only two statements
   • c)All three statements
   • d)None of the statements
   • e)Question not attempted
7. Q7.Human Nervous System

   Consider the following statements: Touching a flame is an urgent and dangerous situation and we drag our hands involuntarily. This fast reaction is attributable to which of the following structures of the nervous system? 1. Spinal Cord 2. Motor Neuron 3. Brain 4. Sensory neuron How many of the statement given above are correct?

   • a)1, 2, 3 and 4
   • b)1 and 2 only
   • c)1, 2 and 4 only
   • d)2, 3 and 4 only
   • e)Question not attempted
8. Q8.Human Endocrine System

   Consider the following statements: Which of the following functions is/are influenced by adrenalin? 1. Increase the heart beat 2. More Oxygen supply to muscles. 3. Increased supply of blood to the digestive system. 4. Breathing rate declines. How many of the statement given above are correct?

   • a)1, 2, 3 and 4
   • b)1 and 2 only
   • c)1, 2 and 3 only
   • d)1 only
   • e)Question not attempted
9. Q9.Plant Biology

   Consider the following statements: Which of the following plant hormones helps in promoting growth in plants? 1. Auxins 2. Gibberellins 3. Cytokinins 4. Abscisic Acid How many of the statements given above are correct?

   • a)1, 2, 3 and 4
   • b)1, 2 and 3 only
   • c)1 and 2 only
   • d)1 only
   • e)Question not attempted
10. Q10.Animal Physiology

    Consider the following statements: Statements-1: The length of the small intestine differs in various animals depending on the food they eat. Statement-2: Herbivores needs a longer small intestine to allow the cellulose to be digested. How many of the statements given above are correct?

    • a)Both Statements are correct.
    • b)Statement 1 is correct but Statement 2 is incorrect.
    • c)Statement 1 is incorrect but Statement 2 is correct.
    • d)Both statements are incorrect.
    • e)Question not attempted