General Knowledge, Current Affairs & Everyday Science

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General Knowledge, Current Affairs & Everyday Science — solved practice questions

8 WB Police General Awareness & Aptitude questions with step-by-step solutions. Attempt each, then reveal the answer.

1. Q1easy

   Who is known as the 'Father of the Indian Constitution'?

   • AMahatma Gandhi
   • BDr. B. R. Ambedkar
   • CJawaharlal Nehru
   • DSardar Vallabhbhai Patel
   Show answer & solution

   Correct answer: (B) Dr. B. R. Ambedkar

   Dr. B. R. Ambedkar chaired the Drafting Committee of the Constituent Assembly and is widely regarded as the chief architect of the Indian Constitution.

2. Q2easy

   Which gas do green plants absorb from the atmosphere during photosynthesis?

   • AOxygen
   • BNitrogen
   • CCarbon dioxide
   • DHydrogen
   Show answer & solution

   Correct answer: (C) Carbon dioxide

   During photosynthesis plants take in carbon dioxide and release oxygen, using sunlight to make food.

3. Q3easy

   The Tricolour (national flag of India) has how many spokes in the Ashoka Chakra?

   • A12
   • B18
   • C24
   • D36
   Show answer & solution

   Correct answer: (C) 24

   The navy-blue Ashoka Chakra at the centre of the Indian flag has 24 spokes, representing the wheel of law (dharma).

4. Q4easy

   Which vitamin is produced in the human body when the skin is exposed to sunlight?

   • AVitamin A
   • BVitamin C
   • CVitamin D
   • DVitamin K
   Show answer & solution

   Correct answer: (C) Vitamin D

   Sunlight (ultraviolet rays) triggers the skin to synthesise Vitamin D, which is important for strong bones.

5. Q5easy

   Which is the largest planet in our solar system?

   • ASaturn
   • BEarth
   • CJupiter
   • DNeptune
   Show answer & solution

   Correct answer: (C) Jupiter

   Jupiter is the largest planet in the solar system by both diameter and mass.

6. Q6medium

   The chemical symbol 'Na' stands for which element?

   • ANickel
   • BNitrogen
   • CNeon
   • DSodium
   Show answer & solution

   Correct answer: (D) Sodium

   'Na' comes from the Latin name 'Natrium' and represents sodium, a soft, highly reactive metal.

7. Q7easy

   In which year did India gain independence from British rule?

   • A1942
   • B1945
   • C1947
   • D1950
   Show answer & solution

   Correct answer: (C) 1947

   India became independent on 15 August 1947, ending nearly two centuries of British colonial rule.

8. Q8medium

   Which organ of the human body is primarily responsible for purifying the blood by removing waste as urine?

   • ALiver
   • BKidney
   • CHeart
   • DLungs
   Show answer & solution

   Correct answer: (B) Kidney

   The kidneys filter waste products and excess water from the blood, forming urine.

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