General Knowledge - Answer Key - What's What - Standard Grade 7 - Lesson Chapter 16 to 21

 

                                  General Knowledge

                                                              Answer Key                                       

                                                                                                                                   

I. Choose the correct answer                                                                                            

1. The study of compounds with carbon molecules is

a) Organic Chemistry                     b) Physics                    c) Botany                    d) Zoology

Ans: Organic Chemistry

2. Energy is measure in

a) Kilogram                        b) Joule                        c) grams                       d) units

Ans: Joule  

3. The largest moon in the solar system is

a) Ganymede                                  b) White moon            c) Saturn                      d) Pink moon

Ans: Ganymede

4. Currencies of 500 and 1000 were demonetized in

a) November 2016                b) November 2017      c) November 2018    d) November 2019

Ans: November 2016

5. Manila is the capital of

a) Philippines                                  b) Myanmar                 c) Madhya Pradesh    d) America

Ans: Philippines  

6. The first Olympic games in southern hemisphere is in

a) 1956                                           b) 1957                        c) 1958                        d) 1959

Ans: 1956

7. The fastest orbiting planet is

a) Mercury                                      b) Venus                      c) Jupiter                     d) Saturn

Ans: Mercury

8.______ is created by upward push and up thrust of water

a) Buoyancy                                   b) Pressure                   c) Induction                d) Balloon

Ans: Buoyancy

9. Rhythmic gymnastics _______ can participate

a) Only women              b) only men            c) both men and women   d) only old aged

Ans: Only women 

10. ______ are three dimensional photographic images

a)  Kilogram                       b) hologram                 c) telegram                              d) histogram

Ans: hologram 

II. Fill in the blanks                                                                                                  

1. _________ is a radiation whose wavelength are shorter than visible light.

Ans: Ultraviolet

2. __________ station converts energy of moving water into electrical energy.

Ans: Hydroelectric power

3. Rapidly spinning neuron stars are called _____

Ans: Pulsars

4. _______ is the planet whose orbit is circular.

Ans: Venus

5. The country which calls football ‘calcio’ is _______

Ans:  Italy

6. _________ uses X-rays to study structure of atoms.

Ans: X ray crystallography

7.  _____ is the metal which is dense and does not corrode

Ans: Brass

8. _______ is considered the first computer programmer.

Ans: Ada Lovelace

9. The first Olympic mascot is introduced in _____

Ans: 1968

10. Untaxed income is known as _______

Ans: Black money

 III. Match the following       

1. Grace Hopper                   - COBOL

2.Sister Mary                       – Catholic Nun

3. Bitcoin                             – Digital Currency

4. Rio Olympic                    - 2016

5.  Sri Lanka                        - Colombo

6. Asteroids                          – minor planets

7. Edith Clarke                     - Calculator

8. Sound                               - decibel

9. Sputnik 1                          – first artificial satellite

10. Jupiter                            – 67 moons                                                                                             


IV. State whether the statements are true or false                                                           10 x 1 = 10

1. 0 is an even number

Ans: True

2. The opposite of a dice always add up to seven

Ans: True

3. 1/100th of a second is called a jiffy.

Ans: True

4. The number followed by a hundred zeros is called googol.

Ans: True

5. 0 cannot written in Roman numerals.

Ans: True

6. The prime minister of India is Stalin.

Ans: False

7. Tamil Nadu has 43 districts.

Ans: False

8. The governor of Tamilnadu is Ram Kumar.

Ans: False

9. The Pin code of Sivakasi is 628002.

Ans: False

10. The President of India is Draupathi Murmu.

Ans: True

 

V. Find the capital’s name                                                                                                  5 x 1 = 5

1. Vital on donor cards                  - London

2. Remember lines of dialogue     – Berlin

3. Nemo scowled                          - Moscow

4. Metal is bonded to another       - Lisbon

5. Man amassed wealth                - Manama

VI. Answer the following questions                                                                                     5 x 1 = 5

1. When is Independence Day celebrated every year?

Ans: August 15

2. When is our Republic day celebrated every year?

Ans: January 26

3. In which year India got independence?

Ans: 1947

4. Who is the first prime minister of India?

Ans: Jawaharlal Nehru

5. Which is the capital of India?

    Ans: Delhi.


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