Explore topic-wise MCQs in 7th Class.

This section includes 234 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.

151.

Carbon footprint is the amount of carbon dioxide released into the atmosphere because of human activities. By which of the following ways we can reduce the carbon footprint?

A.  By keeping an electrical device on standby mode when not in use
B.  Print on single side of paper Instead of writing
C.  Use of CFLs in daytime and bulbs in night to study
D.  Use of public transport or carpool wherever and whenever we can
Answer» E.
152.

A hurricane is a huge storm having strong winds spiralling inward and upward at speed of 75 to 200 mph. Its intensity is measured on a special scale. What is the name of the scale?

A.  Richter
B.  Seismic
C.  Saffir-Simpson
D.  Fujita
Answer» D.  Fujita
153.

There was a most devastating human caused environmental disaster in 1989 in Alaska causing death of seabirds, sea otters and many more. What kind of disaster was it?

A.  Oil spill disaster
B.  Nuclear disaster
C.  Agricultural disaster
D.  Industrial disaster
Answer» B.  Nuclear disaster
154.

Read the given statements. (i) A compact fluorescent lamp uses 75% less energy than a traditional bulb. (ii) Earth Hour is celebrated on the same day every year. (iii) The screen saver on a computer saves energy. (iv) About 30% of the cool air inside a refrigerator escapes every time its door is opened. How many statements given above is/are true?

A.  1
B.  2
C.  3
D.  4
Answer» C.  3
155.

Look at the given grid carefully. Which of the following is not given in the grid?

A.  Gas produced in wetlands by microbes
B.  Most affected underwater species by the increase in greenhouse gases in the atmosphere
C.  Depletion of this layer results in an increase in ultraviolet radiation
D.  Gas produced when synthetic fertilisers are used in agriculture
Answer» E.
156.

Among the five volcanoes stated in the passage, which is one of the most productive volcanoes present on Hawaiian Island?

A.  Mauna Kea
B.  Mauna Loa
C.  Kilauea
D.  Hualalai
Answer» D.  Hualalai
157.

We harm Earth with various activities such as unorganised disposal of waste. Which of the following kinds of wastes lasts longest in the environment?

A.  Kitchen waste
B.  Chemical waste from factories
C.  Agricultural waste
D.  Nuclear waste
Answer» E.
158.

Who is the first woman in the world to receive the 2016 IMO Award for Exceptional Bravery at Sea?

A.  Mehak Fanifau
B.  Janick Gilbert
C.  Christopher Leon
D.  Radhika Menon
Answer» E.
159.

Which one of the following is a dedicated web portal launched by the Union Human Resource Development Minister Prakash Javadekar, for the Sarva Shiksha Abhiyan (SSA) on 18th January 2017 ?

A.  SakSham
B.  SaChet
C.  SarThak
D.  ShaGun
Answer» E.
160.

In December 2016, which one of the following countries launched TanSat, a global carbon dioxide \[(C{{O}_{2}})\] monitoring satellite to understand the effects of climate change?

A.  China
B.  Japan
C.  South Korea
D.  USA
Answer» B.  Japan
161.

Who has become the first Indian girl to explore the route from Sea Link near Worii Koliwada to the Gateway of India?

A.  Rekha Nigam
B.  Gauri Singh
C.  Nikita Bharadwaj
D.  Deepika Kumari
Answer» C.  Nikita Bharadwaj
162.

The World Theatre Day is observed on which date?

A.  24th March
B.  27th March
C.  28th March
D.  29th March
Answer» C.  28th March
163.

Which state government of India has launched PEHAL programme for raising education standards?

A.  Madhya Pradesh
B.  Andhra Pradesh
C.  Himachal Pradesh
D.  Arunachal Pradesh
Answer» D.  Arunachal Pradesh
164.

In which state will the India's first centre of excellence for differently-abled sportsmen be set up?

A.  Kerala
B.  Tamil Nadu
C.  Gujarat
D.  Karnataka
Answer» D.  Karnataka
165.

A good training method for developing speed is

A. Continuous training
B. Repetition training
C. Interval training
D. None of these.
Answer» D. None of these.
166.

Which of the following is one of the five principles of yoga by Sivananda?

A. Inana
B. Tantra
C. Savasana
D. Bhakti
Answer» D. Bhakti
167.

Water polo is a team water sport. The game consists of four quarters In which the two teams attempt to score. goals by throwing the ball into their opponent's goal. What is the dominant colour of a water polo ball used in official games?

A. Yellow
B. Blue
C. Black
D. White
Answer» B. Blue
168.

Match column I with column II and select the correct option from the given codes. Column I (Cricket Stadium) Column II (Place) [a] MCA International Cricket Centre 1. Mumbai [b] DY Patil Stadium 2. Pune [c] Moin-Ul-Haq Stadium 3. Delhi [d] Feroz Shah Kotla Ground 4. Patna

A. a-2, b-1, c-4, d-3
B. a-1, b-2, c-3, d-4
C. a-3, b-4, c-1, d-2
D. a-2, b-3, c-4, d-1
Answer» B. a-1, b-2, c-3, d-4
169.

Which of the following cricket grounds is known as the 'Mecca of Cricket'?

A. Lord's Cricket Ground, England
B. Adelaide Oval, Australia
C. Brisbane Cricket Ground, Australia
D. Barabati Stadium, Odisha
Answer» B. Adelaide Oval, Australia
170.

Identify the yogasana shown in the given picture.

A. Halasana
B. Salabhasana
C. Navasana
D. Dandasana
Answer» D. Dandasana
171.

Tarun Kona and Aiwin Francis won the 2016 Peru International Series by defeating the top-seeded Mexican pair, Job Castillo and Lino Munoz in the final at Lima, Peru. Which sport are they associated with?

A. Lawn tennis
B. Table tennis
C. Badminton
D. Archery
Answer» D. Archery
172.

Johan Cruyff, a football legend, passed away in Barcelona. He was one of the most famous exponents of the football philosophy known as "Total Football". Which of the following countries did he belong to?

A. Spain
B. Holland
C. Ireland
D. England
Answer» C. Ireland
173.

Which country won the 2016 Men's Hockey Junior World Cup in the final match played at Major Dhyan Chand Stadium in Lucknow?

A. Belgium
B. Germany
C. India
D. Pakistan
Answer» D. Pakistan
174.

Hopman Cup is a hard-court tennis tournament held every year in Australia. Which one of the following countries won 2016 title?

A. Germany
B. Belgium
C. Australia
D. USA
Answer» D. USA
175.

Which two countries co-hosted the ICC Cricket World Cup held in February - March 2015?

A. India and Pakistan
B. England and Scotland
C. South Africa and Zimbabwe
D. Australia and New Zealand
Answer» E.
176.

Sangam literature is one of the main sources used for documenting the early history of these people of South Asia. The ancient Sangam poems are based on human experiences, emotions, human aspects and nature. To which of the following does it belongs?

A. Tamils
B. Malayali
C. Telugu
D. Kannadigas
Answer» B. Malayali
177.

Inscriptions are seen on rocks, pillars, stones, slabs, walls of buildings and body of temples. They supply valuable historical facts. Which of the following inscriptions is the archaeological source of Gupta Age?

A. Prayag Prashasti
B. Bhimbetka
C. Mandsaur inscription
D. Both [a] and [c]
Answer» E.
178.

This desert covers parts of China, most of Mongolia. It suffers from having most of its rain blocked by the Himalayas. Name this desert.

A. Thar
B. Atacama
C. Gobi
D. Namib
Answer» D. Namib
179.

San Marino is the world's one of the smallest country. Its constitution, which was enacted in 1600, is the world's oldest constitution still in effect, it is surrounded by which country?

A. Germany
B. Italy
C. Spain
D. France
Answer» C. Spain
180.

Ecuador, Peru. Chile and Paraguay are all countries of South America. On which ocean is the major part of coastline of Chile, situated?

A. Arctic Ocean
B. Pacific Ocean
C. Southern Ocean
D. Indian Ocean
Answer» C. Southern Ocean
181.

The indigenous people of Australia migrated to the island continent millennia ago and existed in isolation before explorers discovered Australia. They lead simple nomadic lives being a hunter-gathers. What are they called?

A. Inuit of Australia
B. Laplanders
C. Aborigines of Australia
D. Maori
Answer» D. Maori
182.

Many countries have their new names as compared to past. Few pairs of new and old name of the countries are given below. Select the incorrect pair among them.

A. Thailand - Siam
B. Burkina Faso - Upper Volta
C. Algeria - Numidia
D. France - Moldavia
Answer» E.
183.

He was the last king of Nepal who ascended the throne after the death of his elder brother. Identify him.

A. Gyanendra Bir Bikram Shah Dev
B. Birendra Bir Bikram Shah Dev
C. Dipendra Bir Bikram Shah Dev
D. Paras Bir Bikram Shah Dev
Answer» B. Birendra Bir Bikram Shah Dev
184.

The hathigumpha inscription was inscribed by the emperor of Kalinga in India, during second century BCE. It consists of seventeen lines in a Central Western form of Prakrit incised in a deep-cut Brahmi script. Which of the following emperors inscribed it?

A. Dhana Nanda
B. Ashoka
C. Kharavela
D. Samudragupta
Answer» D. Samudragupta
185.

He was an Italian scientist who discovered the principle of the pendulum. He observed the movement of the lamp hanging from the ceiling and noticed that its oscillatory movement was constant. Who was he?

A. Isaac Newton
B. Galileo Galilei
C. Albert Einstein
D. Max Planck
Answer» C. Albert Einstein
186.

Match column I with column II and select the correct option from the given codes. Column I (Units) Column II (Quantities) (i) Ampere p. Temperature (ii) Nautical mile q. Electric current (iii) Kelvin r. Distance at sea (iv) Ohm s. Energy (v) Joule t. Resistance

A. (i)-q. (ii)-r. (iii)-p, (iv)-t, (v)-s
B. (i)-p, (ii)-q, (iii)-r, (iv)-s, (v)-t
C. (i)-t, (ii)-s, (iii)-r, (iv)-q, (v)-p
D. (i)-q, (ii)-p, (iii)-s, (iv)-r, (v)-t
Answer» B. (i)-p, (ii)-q, (iii)-r, (iv)-s, (v)-t
187.

Which of these are lines on a map joining those places which have the same atmospheric pressure for a specified period of time?

A. Isotherms
B. Isotopes
C. Isobars
D. None of these
Answer» D. None of these
188.

There are two basic branches of soil science, ____(i)____ is concerned with the influence of soils on living things, particularly plants and ____(ii)____is focused on the formation, morphology and classification of soils in their natural environment. Select the option which correctly fills the blanks. (i) (ii)

A. Pedology Edaphology
B. Geology Pedology
C. Geology Meteorology
D. Edaphology Pedology
Answer» E.
189.

An instrument used to measure blood pressure is called

A. Barometer
B. Stethoscope
C. Sphygmomanometer
D. Otoscope
Answer» D. Otoscope
190.

Nitrous oxide can be used as an oxidizer in a rocket motor. Which of the following is the advantage of using it?

A. It is more stable at room temperature.
B. It is non-toxic.
C. It is relatively safe to carry on a flight.
D. All of these
Answer» E.
191.

The Bristol Robotics Laboratory invented a robot which can digest organic matter for fuel and then excretes the waste. What is the name of this robot?

A. EcoBot III
B. Robonaut
C. Environment friendly robot
D. Robodigester
Answer» B. Robonaut
192.

If same amount of current is passed through each of the following then which one will show the strongest magnetic strength?

A. Straight conducting wire
B. Solenoid wound on an iron core
C. Coil of wire
D. Solenoid wound on a wooden core
Answer» C. Coil of wire
193.

Some of the inventions and their inventors are given below. Select the mismatch pairs. (i) Atomic bomb J Robert Oppenheimer (ii) Piano Georges Audemars (iii) Steel Henry Bessemer (iv) Cinema Cristofori

A. (i) and (ii)
B. (ii) and (iii)
C. (iii) and (iv)
D. (ii) and (iv)
Answer» E.
194.

His discovery of the malarial parasite in the gastrointestinal tract of the Anopheles mosquito led to the realisation that malaria was transmitted by Anopheles. He received the Nobel Prize for Physiology or Medicine in 1902 for his work on the transmission of malaria. Who was he?

A. Ivan Petrovich Pavlov
B. Robert Koch
C. Ronald Ross
D. Paul Ehrlich
Answer» D. Paul Ehrlich
195.

Trimix is a breathing gas, consisting of three gases and is often used in deep commercial diving. These three gases are

A. Hydrogen, oxygen and helium
B. Carbon dioxide, nitrogen and oxygen
C. Oxygen, helium and nitrogen
D. Chlorine, argon and oxygen.
Answer» D. Chlorine, argon and oxygen.
196.

Which of the following is an example of exothermic reaction?

A. Dissolving ammonium nitrate in water
B. Burning of magnesium ribbon
C. Addition of water to quicklime
D. Both [b] and [c]
Answer» E.
197.

He was a Canadian voyager who is known for his part in experiments on digestion in humans, conducted on him by the American Army physician William Beaumont between 1822 and -1833. Who was he?

A. Charles Darwin
B. Alexander Fleming
C. Stephen Jay Gould
D. Alexis St. Martin
Answer» E.
198.

The Soyuz is a Russian spacecraft which is like a lifeboat for the space station. At least one Soyuz is always docked at the space station. Which of the following statements are correct about Soyuz ? (i) It carries people and supplies to and from the space station. (ii) The crew rides in the part of the spacecraft called a capsule. (iii) Upto three astronauts or cosmonauts can ride in a Soyuz capsule.

A. (i) and(ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (i), (ii) and (iii)
Answer» E.
199.

This probe was launched on 19 January 2006 to Pluto. It flew by the Pluto Charon system on 14 July 2015 and is the first probe to be launched to Pluto. Name the probe.

A. Dawn
B. Juno
C. New Horizons
D. Cassini ? Huygens
Answer» D. Cassini ? Huygens
200.

He is the first American to orbit earth and also the oldest person to fly in space. He was one of the members of "Mercury Seven", the seven men who fly on the Mercury spacecraft. Name him.

A. Ed White
B. Alexei Leonov
C. Alan Shepard
D. John Glenn
Answer» E.