Category Archives: NTSE

National Talent Search Exam – NTSE Sample Papers for Class 10 for NTSE Stage I and Stage II Examination are given below. NTSE Sample Papers for Class 10 – Stage I

NTSE SAT Paper-10 (Social Science)

 

NTSE SAT Sample Question Paper-10 (Social Science)

Q1: Who is the composer of National Anthem of India?
(a) Bankim Chandra Chatterji
(b) Sharat Chandra Chattopadhyay
(c) Rabindranath Tagore
(d) Ishwar Chandra Vidyasagar

Q2: The International Labour Organisation is headquartered at
(a) Washington.
(b) Paris.
(c) Geneva.
(d) Rome.

Q3Bush at War is a book authored by
(a) Mary N. Weaver.
(b) John Grisham.
(c) Jeffrey Archer.
(d) Bob Woodward.

Q4: The leading silk producing state in India is
(a) Karnataka.
(b) West Bengal.
(c) Madhya Pradesh.
(d) Himachal Pradesh.

Q5: ‘Kaizen’ means
(a) restructuring the processes.
(b) error-free production.
(c) continuous improvement in work process.
(d) weakening the weaknesses by strengthening the strengths.

Q6: World Population Day is observed on which of the following dates?
(a) May 1
(b) May 11
(c) July 1
(d) July 11 

Q7: Which of the following correctly describes the three types of justice referred to in the Preamble?
(a) Economic, social and religious
(b) Political, economic and religious
(c) Social, economic and political
(d) Social, religious and political

Q8: SAARC is headquartered at
(a) Jakarta
(b) Bangkok
(c) Kuala Lampur
(d) Kathmandu

Q9: Which among the following countries does not have veto power in the UN Security Council?
(a) France
(b) England
(c) Germany
(d) Russia 

Q10: Where is the headquarters of Organisation of Petroleum Exporting Countries (OPEC) situated?
(a) Vienna
(b) New York
(c) Abu Dhabi
(d) Kuwait City

Q11: Uber Cup is associated with which of the following games.
(a) Hockey
(b) Football
(c) Table Tennis
(d) Badminton

Q12: Who is regarded as ‘The Father of Economics’?
(a) J. M. Keynes
(b) J. K. Galbraith
(c) Vernon Smith
(d) Adam Smith

Q13: The first person to walk in space is ___.
(a) Neil Armstrong
(b) A. A. Leonov
(c) Yuri Gagarin
(d) Edwin Aldrin

Q14: The number of members nominated by the President in the Rajya Sabha is ___.
(a) two
(b) eight
(c) ten
(d) twelve

Q15: Which constitutional amendment is called the ‘Mini Constitution’?
(a) 42nd Amendment
(b) 43rd Amendment
(c) 44th Amendment
(d) 45th Amendment

Answer:
1: (c) Rabindranath Tagore
2: (c) Geneva
3: (d) Bob Woodward
4: (a) Karnataka.
5: (c) continuous improvement in work process.
6: (d) July 11
7: (c) Social, economic and political
8: (d) Kathmandu
9: (c) Germany
10: (a) Vienna
11: (d) Badminton
12: (d) Adam Smith
13: (c) Yuri Gagarin
14: (d) twelve
15: (a) 42nd Amendment 

 

 

 


 

NTSE SAT Paper-9 (Science)

NTSE SAT Sample Question Paper-9 (Science)

(Haryana Board)

Q1. Atomic number of sodium is 11 and number of neutrons is 12, then atomic mass will be
(a) 12 
(b) 22 
(c) 11 
(d) 23 

Q2: Which original particle of atom contains negative charge?
(a) On nucleus 
(b) On proton
(c) On neutron 
(d) On electron

Q3. There are nodules in the roots of some plants, found in them are
(a) None of these 
(b) Nitrogen fixation bacteria
(c) Denitrifying bacteria
(d) Ammoniating bacteria

Q4: Which gas is filled in packet-packed snacks like potato chips
(a) Nitrogen 
(b) Oxygen
(c) Neon 
(d) Carbon dioxide

Q5: The formula of Potassium Chlorate is
(a) KCLO 
(b) KCl 
(c) KClO2 
(d) KClO3

Q6. The formula of common salt is

(a) NaCl
(b) KCl
(c) NACL
(d) KClO3

Q7. Fire-extinguishing devices are used to put off fire, while using this which gas comes out

(a) Nitrogen
(b) Oxygen

(c) Carbon monoxide
(d) Carbon dioxide

Q8. In which solution gold is soluble

(a) In Aqua-ragia
(b) In acids

(c) In alkalies
(d) In silver nitrate

Q9. Tritium is isotope of which atom

(a) Of Carbon
(b) Of Oxygen

(c) Of Hydrogen
(d) Of Nitrogen

Q10. Which scientist discovered neutron
(a) James Chadwick 
(b) John Dalton
(c) Rutherford 
(d) J. J. Thomson

Q11. The sum of the protons and neutrons, present in the nucleus of any atom, is called
(a) None of these 
(b) Mass number
(c) Atomic number
(d) Valency

Q12. The indicator of atomic number of any element is
(a) E 
(b) Z 
(c) A 
(d) X

Q13. To save soil from erosion is called
(a) Soil pollution 
(b) Soil formation
(c) Soil erosion 
(d) Soil preservation

Q14: Air is a
(a) None of these 
(b) Mixture
(c) Element 
(d) Compound

Q15. Unit of pressure is
(a) Litre 
(b) Newton 
(c) Pascal 
(d) Kilogram wt.

Q16. In how many allotropes is carbon mainly found
(a) Four 
(b) One 
(c) Two 
(d) Three

Q17. Which scientist discovered safety lamp for the safety of miners
(a) Newton 
(b) Sir Humphrey Davy
(c) Archimedes 
(d) Niels Bohr

Q18: In water purification plant which is used to kill bacteria
(a) Potassium permanganate
(b) Salt
(c) Chlorine
(d) Insecticide medicines

Q19: The science, which is used to obtain metal from ore and purify them for various uses, is called
 (a) Process
(b) Metal filth
(c) Metal-work/metallurgy
(d) Metallography

Q20: Acid present in lemon is
(a) Hydrochloric acid
(b) Citric acid
(c) Picric acid
(d) Carbonic acid

Q21: The micro-particle of any element or compound, which is of free existence, is called
(a) Proton
(b) Atom
(c) Particle
(d) Molecule

Q22: Name the scientist who discovered electron
(a) James Chadwick
(b) John Dalton
(c) J. J. Thomson
(d) Rutherford

Q23: The soil, consisting of particles having radius from 0.005 mm to 0.05 mm, is
(a) Concrete
(b) Clay soil
(c) Mud
(d) Sand

Q24: The pH value of alkaline soil is
(a) None of these
(b) 6
(c) 7
(d) More than 7

Q25: To grow Xerophytic plants, is suitable
(a) Sand
(b) Mishroh
(c) Alluvial
(d) Glacial

Answers:
1: (d) 23 
2: (d) On electron
3: (b) Nitrogen fixation bacteria
4: (a) Nitrogen
5: (d) KClO3
6: (a) NaCl
7: (d) Carbon dioxide
8: (a) In Aqua-ragia
9: (c) Of Hydrogen 
10: (a) James Chadwick
11: (b) Mass number
12: (b) Z 
13: (d) Soil preservation
14: (b) Mixture
15: (c) Pascal
16: (a) Four
17: (b) Sir Humphrey Davy
18: (c) Chlorine
19: (c) Metal-work/metallurgy
20: (b) Citric acid
21: (b) Atom
22: (c) J. J. Thomson
23: (b) Clay soil 
24: (d) More than 7
25: (a) Sand

 


NTSE SAT Paper – 8 (Biology)

NTSE SAT Sample Question Paper-8 (Biology)

NTSE SAT

NTSE SAT Sample Paper Scholastic Aptitude Test (SAT), NTSE SAT Paper Solutions & Answer 


Q1: Chlorophyll is present in which of the following organism?
(a) Bacteria
(b) Protozoa
(c) Fungi
(d) Algae

Q2: Constituents of cell membrane is/are:
(a) Phosphate Proteins
(b) Amino Acids
(c) Phospho-lipid Proteins 
(d) Cellulose

Q3(Bihar SAT1):  The term vaccine is introduce by which scientist?
(a) Charles Darwin
(b) Edward Jenner
(c) Alexander Flemming
(d) Robert Hooke

Q4 (NTSE 2010): Which of the following is an example of a single cell that does not function as a full fledged organism? 

(I) White blood cell (WBC)
(II) Amoeba
(III) WBC and Amoeba
(IV) Paramecium

(a). II only
(b). II and IV
(c). I only
(d). III and IV 
  

Q5: Primary building blocks of a DNA molecule are:
(a) nitrogenous bases, phosphates, and ribose macromolecules
(b) nitrogenous bases, phosphates, and deoxyribose macromolecules
(c) phosphorous bases, nitrogen, and ribose macromolecules.
(d) None of these

Q6(Maharashtra SAT1): _____ energy is converted into chemical energy with the help of chlorophyll.
(a) Light
(b) Potential
(c) Kinetic
(d) Electric

Q7(UP NTSE Stage-1): Which of the following statement is wrong?
(a) Oxygen is called vital air (Pranwayu)
(b) Herbivorous depends on plants for food.
(c) Amoeba is a multi-cellular animal
(d) Stomach is a digestive organ.

Q8: Which of the following is responsible for movement of water and dissolved nutrients from the roots upward in the plant.
(a) apical meristem
(b) phloem
(c) xylem
(d) vascular cambium

Q9: Which vitamin deficiency causes cracking of lips at the corners of a human patient? 
(a) Vitamin A
(b) Vitamin B-2
(c) Vitamin C
(d) Vitamin D

Q10: The breeding, hatching and rearing of fish is called (a) Apiculture 
(b) Pisciculture 
(c) Sericulture 
(d) Agriculture

Q11 (2010 Stage2)Weeds not only use nutrients from the soil but are alsoI. harmful for some organisms including human beings
II. useful for the crops and harmful for human beings
III. harmful to the crops and some animals
IV. crop specific

Select the alternative which includes all correct statements.
(a) I, III and IV
(b) II, III and IV
(c)  I, II and III
(d)  I, II and IV

Q12: We obtain ___________ from  jute, hemp and cotton.(a) Medicine
(b) Food grain
(c) Fibre
(d) Colour

Q13: The photosynthetic symbiont of a lichen is 
(a) legumes
(b) moss.
(c) green algae
(d) cyano bacteria 

Q14: Protein catalysts of chemical reactions in biological organ systems are called 
(a) Enzymes
(b) Hormones
(c) connective fluids
(d) Vitamins

Q15: Pigment present in red blood corpuscle 
(a) Haemoglobin
(b) Chlorophyll
(c) Xanthophyll
(d) Porphyrin

Answer:
1.   (d) Algae
2.   (c) Phospho-lipid Proteins
3.   (b) nitrogenous bases, phosphates, and deoxyribose macromolecules
4.   (b) Edward Jenner
5.   (c) I only 
6.   (a) Light
7.   (c) Amoeba is a multi-cellular animal
8.   (c) xylem
9.   (b) Vitamin B-2
10. (b) Pisciculture
11.  (a) I, III and IV
12.  (c) Fibre
13.  (c) green algae  (Hint: Note the word photosynthetic symbiont).
14.  (a) Enzymes
15.  (a) Haemoglobin

 

NTSE SAT Paper – 7 (Geography)

NTSE SAT Sample Question Paper-7 (Geography)

 

Q1Chilka is the name of:
   a. a lake in the eastern coast of India.
   b. the mountain in the Himalayas
   c. a river in Maharashtra
   d. an industrial town in Jharkhand.

Q2: Which Indian state tops in hosiery and woolen goods in India:
  a. Karnataka
  b. Bihar
  c. Punjab
  d. Maharashtra


Q3: Bhubaneswar, capital of Orissa is famous for its:
   a. Oil Refinery
   b. shipping industry
   c. space research centre
   d. famous lingaraja temple.



Q4: The crop sown in the commencement of Monsoon season are
   a. kharif crops
   b. rabi crops
   c. zayad crops
   d. none of these

Q5: Which of the following groups constitutes the basic rock forms?
    a. Sandy, Igneous, Metamorphic
    b. Igneous, Sedimentary, Metamorphic
    c. Lignite, Volcanic, Sedimentary
    d. Sandy, Volcanic, Igneous

Q6: Nepanagar in Madhya Pradesh is famous for which of the following industry?
    a. Jute
    b. Textiles
    c. Rail coach
    d. Newsprint

Q7: The narrow band of land, water and air where all kinds of life is possible is known as:
     a. Atmosphere
     b. Biosphere
     c. Lithosphere
     d. Hydrosphere

Q8: Natural Rubber production is dominated by
      a. Western Europe
      b. USA
      c. South East Asia
      d. Latin America

Q9: Petroleum is found in 
      a. Sedimantry Rocks
      b. Metamorphic Rocks
      c. Igneous Rocks
      d. Lateral Rocks

Q10: Tropic of Cancer passes through which state?
      a. Madhya Pradesh
      b. Uttar Pradesh
      c. Maharashtra
      d. Andhra Pradesh

Answer: 1-a   2-c   3-d     4-a     5-b    6-d   7-b   8-c   9-a  10-a

 
 


 

NTSE SAT Paper – 6 (Social Studies)

NTSE SAT Sample Question Paper-6 (Social Studies)

 

1. Article 17 of the constitution of India provides for
(a) equality before law.
(b) equality of opportunity in matters of public employment.
(c) abolition of titles.
(d) abolition of untouchability.

2. How many permanent members are there in UN Security Council?
(a) Three
(b) Four
(c) Five
(d) Six

3. Social Contract Theory was advocated by
(a) Hobbes, Locke and Rousseau.
(b) Plato, Aristotle and Hegel.
(c) Mill, Bentham and Plato.
(d) Locke, Mill and Hegel.

4. The Speaker of the Lok Sabha is elected by the 
(a) President
(b) Prime Minister.
(c) Members of both Houses of the Parliament.
(d) Members of the Lok Sabha.

5. Who is called the ‘Father of History’? 
(a) Plutarch
(b) Herodotus
(c) Justin
(d) Pliny

6. Who is the chief advisor to the Governor? 
(a) Chief Justice of the Supreme Court.
(b) Chief Minister.
(c) Speaker of the Lok Sabha.
(d) President.

7. For Rajya Sabha, how many members are nominated by President 
(a) 7
(b) 10
(c) 12
(d) 15

8. Chankya was the chief adviser of which ruler? 
(a) Ashok
(b) Harshvardhan
(c) Chandragupta Maurya
(d) Kanishka

9. Akbar’s tomb was located at …
(a) Delhi
(b) Agra
(c) Fatehpur Sikri
(d) Sikandra

10. Mansabdari System was introduced by ….
(a) Akbar
(b) Sher Shah
(c) Humanyun
(d) Jahangir

Answer: 
1 (d) abolition of untouchability
2 (c) Five
3 (a) Hobbes, Locke and Rousseau. (Hint: Read French Revolution Class 9 – NCERT)
4 (d) Members of the Lok Sabha.
5 (b) Herodotus
6 (b) Chief Minister
7 (c) 12
8 (c) Chandragupta Maurya
9 (d) Sikandra
10 (a) Akbar

 
 


 

NTSE SAT Paper – 5 (Civics)

NTSE SAT Sample Question Paper-5 (Civics)

 

 

Q1: Adult suffrage is the basis of

a. Democracy    

b. Dictatorship       

c. Autocracy     

d. Communism

 

Q2: The Preamble to the Constitution includes all except

       a. Adult Franchise             b. Equality of status

       c. Fraternity                       d. Justice

 

Q3: Dictatorship is a government in which

       a. The dictator is tolerant of any opposing group

       b. The entire power of the government is held by a single person

       c. There is freedom of speech and Press

       d. People can choose new leader by vote.

 

Q4: Secularism means

      a. Suppression of all religions

      b. Freedom of worship to minorities

      c. A system of political and social philosophy that does not favour any particular religious faith

      d. Separation of religion from State

 

Q5: The Rajya Sabha can be dissolved by

      a. Lok Sabha       b. Constitutional Amendment       

      c. President        d. None of these

 

Q6: What is ‘zero hour’?

       a. When the proposals of the opposition are considered

       b. When the matters of utmost importance are raised

       c. When a money bill is introduced in the Lok sabha

       d. Interval between the morning and the evening sessions

 

Q7: Minimum age required to contest for Presidentship is

      a. 30 years        b. 25 years       c. 35 years      d. 21 years

 

Q8: The President of India can be removed from his office by the

     a. Prime Minister

     b. Lok Sabha

     c. Chief Justice of India

     d. Parliament

 

Q9: In which of the following states was the Panchayati Raj system first introduced?

      a. Gujarat       b. Uttar Pradesh       c. Punjab       d. Rajasthan   

 

 

Q10: Who is the ex-officious chairman of Rajya Sabha?

a. President      

b. Vice President     

c. Home Minister     

d. Leader of opposition

 

 

Answers:  1-a     2-a    3-b      4-c    5-d     6-b    7-b   8-d   9-d   10-b

NTSE SAT Paper – 4 (Books and Authors)

NTSE SAT Sample Question Paper-4 (Books and Authors)

Q1. “Discovery of India” is 
   a. a biography of Mahatma Gandhi
   b. an autobiography of Jawah Lal Nehru
   c. a biography of Indira Gandhi
   d. history book written by Jawahar Lal Nehru

Q2: Who wrote ‘Artha Shastra’?
   a. Kautaliya
   b. Banbhatt
   c. Vatsayan
   d. Vagabhatt

Q3: Panchtantra was written by
   a. Ved Vyas
   b. Valmiki
   c. Vishnu Sharma
   d. Tulsidas

Q4: Meghdoot was authored by
   a. Kalidas
   b. Banbhatt
   c. Vishnu Dutt
   d. Kabirdas

Q5: Who is the author the book “Origin of Species”?
    a. Karl Mark
    b. Thomas Edison
    c. Charles Darwin
    d. Leo Tolstoy

Q6: Who wrote “Rajtarangini”?
   a. Kalhana
   b. Kalidas
   c. Charak
   d. Harshvardhan

Q7: Who is the author of “Anand Matha”
   a. Rabindra Nath Tagore
   b. Swami Vivekananda
   c. Bankim Chandra Chatterjee
   d. Chitranjan Das

Q8. Name the author who created fictional town of Malgudi
  a. R. K. Narayan
  b. R. K. Laxman
  c. S R Radhakrishnan
  d. O. P. Nair

Q9: Who is known as “Father of Modern Hindi”?
  a. Munshi Premchand
  b. Bhartendu Harshchandra
  c. Ramdhari Singh Dinkar
  d. Harivansh Rai Bachchan

Q10: Sursagar is compoed by whom
  a. Kabirdas
  b. Tulsidas
  c. Surdas
  d. Ravidas

Q11: Who is the author of “The Jungle Book”?
  a. Rudyard Kripling
  b. J. K. Rowling
  c. Charles Dickens
  d. R. K. Narayan

Q12: ‘India Wins Freedom’  is wriiten by
  a. Mahatma Gandhi
  b. Indira Gandhi
  c. Maulana Azad
  d. Dr. Rajendra Prasad

Answers: 1-d   2-a   3-c   4-a   5-c   6-a    7-c   8-a   9-b  10-c   11-a   12-c

 

 


 

NTSE SAT Sample Question Paper -3 (Maths)

NTSE SAT Sample Question Paper -3 (Maths)

 


Q1: The sides of a right triangle are a, a+d, a+2d with a and d both positive. What is the value of ratio a:d ?
(a) 1: 3
(b) 1:4
(c) 2:1
(d) 3:1

Q2: In a group of cows and hens, the number of legs was 14 more than twice the number of heads. the number of cows is:
(a) 5
(b) 7
(c) 12
(d) 14

Q3: Each edge of cube is increased by 50%. The percent increase in surface area of the cube will be:
(a) 50
(b) 125
(c) 150
(d) 300

Q4: Evaluate $(0.000343)^\frac{1}{3}$
(a) 7/100
(b) 100/7
(c) 7/10
(d) 10/7

Q5: A student was asked to multiply a given number by 4/5. By mistake he divided it by 4/5. His answer was 36 more than the correct answer.  Find the given number.
(a) 80
(b) 60
(c) 36
(d) 63

Q6: A number is divisible by 3, if
(a) the last digit is 3
(b) the last digit is 6
(c) the last two digits are 3
(d) sum of digits is divisible by 3

Q7: A number lies between 1000 and 2000. On division by 2,3,4,5,6, 7 and 8 it leaves remainders 1,2,3,4,5,6 and 7 respectively. The number is:
(a) 1876
(b) 1778
(c) 1679
(d) 1654

Q8: 1400 men in a fortress have provisions for 28 days. After 3 days, 400 men leave the fortress. How long will the food last now?
(a) 35 days
(b) 32 days
(c) 30 days
(d) 28 days

Q9: In a parallelogram ABCD the ratio between angles $\angle A$ and $\angle B$ is 1:2. Find the $\angle A$ ?
(a) 60
(b) 90
(c) 90
(d) 180

Q10: The ratio of the volumes of cylinder and cone of equal radii and height is:
(a) 1:3
(b) 3:1
(c) 1:1
(d) 1:2

Answers:


1-d (Hint apply Pythagoras theorem and factorize the equation)
2-b
3-b (Hint: surface area of cube is $6d^2$
4-a
5-a
6-d
7-c (Hint: LCM of divisors is 840, hence 840x-1 represent the number. Find x. )
8-a
9-a
10-b

NTSE SAT Sample Question Paper -2

NTSE SAT Sample Question Paper -2

 

 

1. In the Eisenstein equation E=mc², c denotes to

    a. velocity of sound

    b. velocity of light.

    c. wavelength of light

    d. a constant factor.

 

2. Bamboo is an example of 

    a. herb

    b. shrub

    c. tree

    d. giant tropical grass

 

3. Which of the following is a method to prevent soil erosion? 

    a. plant more tree

    b. making dams

    c. cutting trees

    d. none of these

 

4. Besides nitrogen and phosphorus, the element commonly present in artificial fertilizer is:

    a. barium

    b. calcium

    c. pottasium

    d. sodium


 

5. Acid rain is caused due to pollution of environment by:

    a. ozone and carbon dioxide

    b. carbon dioxide and nitrogen

    c. carbon monoxide and carbon dioxide

    d. nitrous oxide and sulphur dioxide

 

6. The number of chromosomes present in humans is

    a. 23

    b. 43

    c. 46

    d. 48

 

7. On which of the following principles does a videotape used to record motion pictures?

    a. Photographic film

    b. Octoelctron recording

    c. Magnetic tape

    d. plastic tape.

 

8. The cheapest source of energy is:

    a. nuclear energy

    b. thermal energy

    c. solar energy

    d. hydroelectric energy

 

9. Recoil of gun is an example of 

    a. conservation of energy

    b. conservation of mass

    c. conservation of linear momentum

    d. none of these

 

10. The apparatus sphygmomanometer is used to measure

    a. water pressure

    b. blood pressure

    c. atmospheric pressure

    d. none of these

11. Which of the following vitamin is associated with rickets?
    a. Vitamin A
    b. Vitamin D
    c. Vitamin E
    d. Vitamin K


12. Radioactivity was discovered by:
    a. Madam Curie
    b. Rutherford
    c. Roentgen
    d. Henry Bacquerel


13. The element which has the same atomic number and atomic weight is:
    a. Hydrogen
    b. Helium
    c. Nitrogen
    d. Oxygen

14. Local time of a place depends upon
      a. latitude
      b. sunrise
      c. both (a) and (b)
      d. none of these

15. Which of the following tides occur when the sun and the moon are in line with the earth?
      a. Ebb tide
      b. Neap tide
      c. Spring tide
      d. none of these

Answers: 1-b   2-d   3-a   4-c   5-d  6-c   7-c    8-c   9-c  10-b  11-b   12-d   13-a  14-b  15-c

NTSE SAT Sample Question Paper – 1

NTSE SAT Sample Question Paper – 1

 

1. The SI unit of electric current is: 
   a. ampere 
    b. candela
    c. mole 

    d. none of these

2. A man is standing on a boat in still water. If he walks towards the shore the boat will
    a. move away from the shore
    b. remain stationary
    c. move towards the shore
    d. sink

3. A body is weighed at the poles and then at the equator. The weight
    a. at the equator will be greater than at the poles 
    b. at the poles will be greater than at the equator
    c. at the poles will be equal to the weight at the equator
    d. none of these 

 4. The temperature of water at the bottom of a large waterfall is higher than that of the water at the top, because 
     a. the falling water absorbs heat from the sum
     b. the KE of the falling water is converted into heat
     c. the water at the bottom has greater PE
     d. rocks on the bed of the river give out heat


5. The chemical formula for Plaster of Paris is:
     a. $\left( CaSO_{4} \right)_2 \cdot H_2O$
     b. $CaSO_{4}\cdot H_2O$
     c. $CaSO_{4}\cdot 2H_2O$ 
     d. $CaSO_{4}$

6. Which of the following is the hardest substance known ?
    a. Graphite
    b. Iron
    c. Diamond
    d. coke

7. Which of the following elements is not present in stainless steel ?
    a.  Iron
    b. Tungsten
    c. Chromium
    d. Nickel

8. Rearing of bees is
    a. horticulture
    b. apiary
    c. apiculture
    d. poultry

9.  Nitrogen fixation is performed by
     a. Green algae and fungi
     b. Legumes and cereals
     c. Ferns and cycads
     d. Blue green algae & bacteria

10. LPG mainly contains
      a. Methane
      b. $H_2$, Methane and Ethane
      c. Methane & Ethane
      d. Butane and Isobutane

11. Non-metals are generally bad conductors of electricity. However, graphite is a good conductor of  electricity because it
      a. is an allotrope of carbon.
      b. has loosely bound electrons.
      c. is brittle.
      d. forms basic oxide.

12.  Metals are generally (i) good conductors of heat and electricity, (ii) lustrous, (iii) hard and (iv) ductile. Mercury has been categorized as metal because of which properties:
     a, (ii) and (iii)
     b. (ii) and (iv)
     c. (i) and (ii)
     d. (i) and (iv)

13. Which of the cells are likely to possess the highest numbers of mitochondria?
    a. hair cells
    b. skin surface cells
    c. red blood cells
    d. muscle cells

14. Which of the cells are likely to show lysosomal activity?
     a. gland cells
     b. skin cells
     c. damaged cells
     d. hair cells

15. Mass of neutron is
     a. 1.00727 amu
     b. 0.00054 amu
     c. 1.00867 amu
     d. 10.0867 amu  

Answers: 1-a     2-a     3-b    4-c   5-a     6-c     7-b    8-c   9-d  10-d 
               11-b  12-c   13-d   14-c  15-c