Life Sciences Quiz Quiz

Test your knowledge of GATE 2025 General Aptitude and Life Sciences (XL) with this comprehensive quiz. Assess your skills across language, reasoning, quantitative, and chemical science concepts relevant for competitive exams.

1. Q1: Sentence Completion (Phrase)

   Even though I had planned to go skiing with my friends, I had to _____ at the last moment because of an injury.

   1. back out
   2. back up
   3. back on
   4. back of

2. Q2: Subject-Verb Agreement

   The President, along with the Council of Ministers, ____ to visit India next week.

   1. wish
   2. will wish
   3. is wishing
   4. wishes

3. Q3: Electricity Cost Calculation

   An electricity utility company charges ₹7 per kWh. If a 40-watt lamp is left on for 10 hours each night for 180 days, what is the cost of energy used? If the lamp is on for 2 extra hours each night for those 180 days, what is the percentage-increase in cost?

   1. ₹604.8; 10%
   2. ₹720; 15%
   3. ₹504; 20%
   4. ₹604.8; 12%

4. Q4: Logical Reasoning (Number Puzzle)

   Given a figure with lettered blocks and the entries N U F (i), H L (ii), 12 (iv) 15 (iii), which option lists the correct entries for (i), (ii), (iii), and (iv) respectively?

   1. L, K, 12 and 8
   2. I, J, 10, and 8
   3. K, L, 10 and 14
   4. Q, M, 12, and 8

5. Q5: Pie Chart/Ratio Reasoning

   A bag contains Violet (V), Yellow (Y), Red (R), and Green (G) balls, with:n(i) Yellow + 2 × Violet = 50n(ii) Violet + Green = 50n(iii) Yellow + Red = 50n(iv) Violet + 2 × Red = 50nWhich pie chart correctly represents the proportion of balls?

   1. G 30%, V 40%, Y 20%, R 10%
   2. G 20%, V 30%, Y 10%, R 40%
   3. G 40%, V 10%, R 20%, Y 30%
   4. G 10%, V 20%, Y 40%, R 30%

6. Q6: Reading Comprehension (Inference)

   According to the passage about the solitary man, which statement is true?

   1. Strangers helped create a grand reputation for the solitary man described.
   2. The solitary man worked in a court where he fell ill.
   3. The solitary man found joy in scattering fruits.
   4. The solitary man described in the passage is dead.

7. Q7: Clock Reasoning (Notation Sequence)

   If O = OQSZPRT and X = XZPW YOQ on a clock diagram, which of these is the correct sequence for P'?

   1. PTVQSUW
   2. PSUPRTV
   3. PUWRTVX
   4. PRTOQSU

8. Q8: Five-Digit Number (Ordering Constraint)

   Consider a five-digit number PQRST with digits 1 to 5 (all different) and relationships P u003C Q, S u003E P u003E T, R u003C T. What is the value of P?

   1. 1
   2. 2
   3. 4
   4. 3

9. Q9: Weighted Average Profit

   A person mixes two varieties of potatoes P (₹300/5 kg) and Q (₹800/4 kg), then sells the mix at ₹192 per kg for an 8% profit. What is the P:Q mixing ratio by weight?

   1. 5:4
   2. 3:4
   3. 3:2
   4. 1:1

10. Q10: Minimum Distance (Triangle Construction)

    Given villages P, Q, and R form a triangle with PQ = 13 km, QR = 14 km, and RP = 15 km, what is the minimum possible length (in km) of a road connecting P to the straight road QR?

    1. 12.5
    2. 10.5
    3. 12.0
    4. 11.0

11. Q11: Chemistry – Solvolysis Rate

    The rate of solvolysis for the following tertiary halides in 80% aqueous ethanol at 25°C follows which order?nI u003C II u003C IIInII u003C III u003C InIII u003C II u003C InII u003C I u003C III

    1. III u003C II u003C I
    2. I u003C II u003C III
    3. II u003C I u003C III
    4. II u003C III u003C I

12. Q12: Chemistry – Boiling Point Order

    Which of the following is the correct order of boiling points for hydrogen halides HF, HCl, HBr, and HI?

    1. HF u003E HI u003E HBr u003E HCl
    2. HBr u003E HI u003E HCl u003E HF
    3. HI u003E HBr u003E HCl u003E HF
    4. HCl u003E HF u003E HBr u003E HI

13. Q13: Analogy (Language Skill)

    Find the analogy: Flow is to River as Traffic is to _____.

    1. Car
    2. Bus
    3. Passenger
    4. Road

14. Q14: Quantitative Reasoning

    If a number leaves a remainder of 4 when divided by 5, and a remainder of 3 when divided by 4, what is the smallest such number?

    1. 19
    2. 23
    3. 7
    4. 14

15. Q15: Logical Series

    Which number should come next in the sequence: 2, 6, 12, 20, 30, ___?

    1. 42
    2. 46
    3. 48
    4. 38