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Q.1. Which of the following is the strongest force in nature?
(a) Gravitational force
(b) Nuclear force
(c) Electrostatic force
(d) Magnetic force
Correct Answer: B
Explanation- The strongest force in nature is the strong nuclear force. It is also known as strong nuclear interaction and is the strongest compared to the other forces that exist in nature. Hence Option B is correct.
Q.2. In which State of India the percentage of Schedule Castes is highest?
(a) Himachal Pradesh
(b) Uttar Pradesh
(c) West Bengal
(d) Punjab
Correct Answer: D
Explanation- As per Census 2011, the State of Punjab, has the highest percentage of Scheduled Caste population amongst all the States of the Country. Hence Option D is correct.
Q.3. Who amongst the following was also a poet and a musician and took delight in his title of `Kaviraja’ or ‘The King of Poets’?
(a) Chandragupta
(b) Samudragupta
(c) Skandgupta
(d) None of the above
Correct Answer: B
Explanation- Gupta King Samudragupta loved to play the flute and love for poems. He not only penned many poems himself but also patronized the poets. Due to these, he was titled Kaviraj or King of Poets. Hence Option B is correct.
Q.4. Who was the Sultan of Delhi at the time of Timur’s invasion?
(a) GhiyasuddinTughlaq
(b) FerozTughlaq
(c) Abubakr Shah
(d) Nasir-ud-Din Mahmud Tughlaq
Correct Answer: D
Explanation- In 1398, Timur invaded northern India, attacking the Delhi Sultanate ruled by Sultan Nasir-ud-Din Mahmud Shah Tughluq of the Tughlaq dynasty. Hence Option D is correct.
Q.5. The largest organ of human body is_____________?
(a) Liver
(b) Intestine
(c) Urinary bladder
(d) Skin
Correct Answer: D
Explanation- The skin is the body’s largest organ. Hence Option D is correct.
Q.6. The Ganga was declared a national river on ____________?
(a) 15th August 2003
(b) 26th January 2005
(c) 4th November 2008
(d) 1st May 2012
Correct Answer: C
Explanation: The Ganga is India’s longest river (2525 km) and is considered the holiest of rivers by Hindus. It was declared a national river by Prime Minister Manmohan Singh on 4th November 2008 in order to achieve the objectives of the Ganga Action Plan initiated by PM Rajiv Gandhi in 1985. Hence option C is correct.
Q.7. Who has given an excellent description of the surgical instruments in ancient India?
(a) Chaska
(b) Aryabhatta
(c) Sushruta
(d) Vamanacharya
Correct Answer: C
Explanation- Susruta, the great sage surgeon, philosopher and teacher of ancient India, practiced around 600 bc.Sushruta, or Suśruta was an ancient Indian physician and surgeon known today as the “Father of Surgery” and “Father of Plastic Surgery” for inventing and developing surgical procedures Hence Option C is correct.
Q.8. Which inscription of King Harshvardhan has his own signature on it?
(a) Madhuban inscription
(b) Banskheda inscription
(c) Nalanda inscription
(d) Sonipat inscription
Correct Answer: B
Explanation- TheBanskhera inscription describes Harsha as the worshipper of Shiva. The sign of Harsha on the Banskhera inscription represents that Harsha was a skilful calligraphist. This inscription is from Uttar Pradesh and written in Sanskrit. This inscription is written in the prose of Harsha. The Banskhera in-scription verifies that He was an able ruler and Artman. Hence Option B is correct.
Q.9. The working of LED system is based on which principle?
(a) Fluorescence
(b) Phosphorescence
(c) Electro-luminescence
(d) None of the above
Correct Answer: C
Explanation-Electroluminescence (EL) is an optical phenomenon and electrical phenomenon in which a material emits light in response to the passage of an electric current or to a strong electric field. Hence Option C is correct.
Q.10. Consider the following statements and select the correct answer from the codes given below:
(1) In solar cooker concave mirror is used.
(2) In loud speaker electrical energy is converted into sound energy.
(3) In motor electrical energy is converted into mechanical energy.
Codes:
(a) only 1 and 2
(b) only 2 and 3
(c) only 3 and 1
(d) all 1, 2 and 3
Correct Answer: D
Explanation- All the statement given above are correct. Hence Option D is correct.