81. With reference to ‘Stem Cells’ which of the following statements is/are correct?

(1) Stem Cells can be derived from mammals only.

(2) Stem Cells can be used for screening new drugs.

(3) Stem Cells can be used for medical therapies.

Select the correct answer from the code given below:

  • 1 and 2 only
  • 2 and 3 only
  • 3 only
  • 1, 2 and 3


82. Which one of the following sets of chemical elements was primarily responsible for the origin of life on earth?

a. hydrogen, oxygen, carbon and nitrogen

b. hydrogen, sodium, nitrogen, oxygen

c. Oxygen, Calcium, sodium, nitrogen

d. Carbon, calcium, nitrogen, sodium


83. What is the role of ultraviolet (UV) radiation in the water purification systems?

1. It inactivates/kills the harmful micro-organisms in water.

2. It removes all the undesirable odours from the water.

3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.

Which of the statements given above is/are correct?

  • 1 only
  • 2 and 3 only
  • 1 and 2 only
  • 1, 2 and 3


84. Consider the following factors:

1. Rotation of the earth

2. Air pressure and wind

3. Density of ocean water

4. Revolution of the earth

Which of the above factors influence the ocean currents?

  • 1 and 2 only
  • 1, 2 and 3 only
  • 1 and 4 only
  • 2, 3 and 4 only


85. A particular state in India has the following characteristics:

1. It is located on the same latitude which passes through northern Rajasthan.

2. It has over 80% of its area under forest cover.

3. Over 12% of forest cover constitutes Protected Area Network in the State.

Which one among the following States has all the above characteristics?

  • Arunachal Pradesh
  • Assam
  • Himachal Pradesh
  • Uttarakhand


86. The Supreme Court of India partially struck down as unconstitutional which section of the Indian Penal Code in 2018 that made news headlines?

a. Section 304

b. Section 372

c. Section 373

d. Section 375

e. Section 377


87. Indian men successfully defended their Blind Cricket World Cup Title at Sharjah in 2018. Which country did India defeat in the final match?

(a) Australia

(b) England

(c) South Africa

(d) Pakistan

(e) West Indies


88. The first Indian woman to fly a fighter aircraft solo is:

a. Flying Officer Avani Chaturvedi

b. Flying Officer Bhawana Kanth

c. Flying Officer Mohana Singh

d. Flying Officer Poonam Chouhari


89. Which woman cricketer became the first Indian woman cricketer to score 2000 runs in T20 Internationals?

a. Harmanpreet Kaur

b. Smriti Mandhana

c. Mithali Raj

d. Veda Krishnamurthy


90. Which Indian woman became the first woman gymnast to win a Gold Medal at a Global event?

a. Dipa Karmakar

b. Sania Mirza

c. PV Sindhu

d. Saina Nehwal


91. On 15 February 2017 ISRO created history by launching the largest number of satellites by a single rocket. How many satellites were launched?

a. 101

b. 102

c. 103

d. 104

e. 105


92. UNESCO has declared 2019 as the International Year of the Periodic Table of Chemical Elements to commemorate the 150th birthday of the periodic table.  The Periodic Table of Chemical Elements is the tabular arrangement of the chemical elements, arranged by atomic number, electron configuration and recurring chemical properties.

Who published the Periodic Table for the first time?

  • Dmitry Mendeleev
  • Nikola Tesla
  • Humphry Davy
  • Luther Burbank


93. China’s Chang’e 4 probe spacecraft recently created history. What did it do?

a. It flew from the Earth and reached the planet Saturn.

b. It was the first spacecraft to land on the far side of the moon.

c. It was the first Asian spacecraft to reach the moon via Mars.


94. Dr. Abdul Kalam Island is the new name of the island that was formerly known as:

a. Smith Island

b. Neil Island

c. Rutland Island

d. Wheeler Island

e. Ross Island


95. The first Indian actress to have been nominated to the Rajya Sabha was:

a. Hema Malini

b. Meena Kumari

c. Devika Rani

d. Nargis Dut


96. Who was the surgeon who pioneered antiseptic surgery in 1865?

a. William Harvey

b. Jonas Salk

c. Joseph Lister

d. Edward Jenner


97. The electron was first identified by:

a. William Ramsay

b. Gregory Mendel

c. J.J. Thompson

d. James Chadwick


98. With increase of temperature, the frictional force acting between two surfaces

a. Increases

b. Decreases

c. Remains the same

d. Becomes zero


99. Which part of the sun is visible during total solar ecliplse?

a. corona

b. chromosphere

c. photosphere

d. no part of the sun is visible as it is completely covered by the moon.


100. Which of the following acids is found in the digestive system?

a. Lactic acid

b. Tannic acid

c. Amino acid

d. hydrochloric acid



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