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CBSE Questions for Class 8 General Knowledge India: Science And Technology Quiz 8 - MCQExams.com
CBSE
Class 8 General Knowledge
India: Science And Technology
Quiz 8
Name the World's largest Aircraft which has successfully completed a test flight recently.
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Airlander 10
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Douglas A-20
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Kaman H-43
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Sikorsky H-53
Indian student who designed world's lightest satellite_________.
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Rifath Sharook
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Arman Jaffer
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Ricky Bhui
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S. Mahadevan
Which space organisation is all set to launch the World's first ever mission devoted for studying neutron stars?
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National Aeronautics and Space Administration (NASA)
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Indian Space Research Organisation (ISRO)
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European Space Research Organisation (ESRO)
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None of the above
The given figure shows an example of ________.
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Phototropism
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Geotropism
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Autotropism
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Photosynthesis
Explanation
The figure depicts phototropism. The tip of the plant bends towards the direction from where the light is coming In. This response of a plant to light is known as phototropism.
A micro processor is _________.
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an IC
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controlled by a program
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relatively less expensive
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All the above
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None of these
India's first multi-model electric vehicle project has launched in which city ?
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Chennai
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Nagpur
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Bengaluru
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New Delhi
Who among the following uses the machine shown in the picture?
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Soldier
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Plumber
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Tailor
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Teacher
Explanation
The object shown in the picture is of a Sewing machine. A sewing machine is used by a tailor to stitch fabric together with thread.
It is widely used by tailors and has greatly improved the efficiency and productivity of the clothing industry.
Mrs. Kapoor wants to gifts a digital album to her friend on her birthday. All the images are static and have lots of colour shading. Which of the following format is best suited for this purpose?
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AUI
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JPEG
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GIF
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Bitmap
Explanation
Among the given options, only jpeg and gif are graphics formats. Jpeg format supports lots of colors and it also compresses static images better than gif.
Select the INCORRECT match.
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- Bulleted List
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Custom List
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Numbered List
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Multilevel List
Explanation
Command button shown in option (B) is used to increase the indent level of the paragraph, so it is incorrect.
You have created a drawing shown here.You want to select and keep only the top most cloud shown in the drawing. Which of the following combination of options would you choose to do so ?
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0%
0%
0%
Explanation
Using the Free-form selection, you can select irregular shape and the clicking on Crop option, everything gets removed from the canvas except the selected portion.
The given icon is used to ___________.
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Color the background behind the selected text or paragraph
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Apply page border
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Change the color of the text
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Both (B) and (C)
Explanation
Using the shading option available in Paragraph group of Home tab, background color of text can be changed.
After selecting a color from a drawing using the Color picker tool, click on ________ to fill the drawing with chosen color.
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0%
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Explanation
When you select a color, using Color Picker tool, the foreground color is changed. To use the new color, you must select 'Fill with color' tool.
What is Address bar?
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Software that controls the basic operations of your computer
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A folder that stores the files you want to delete and allows you to restore them if needed.
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The main work area in Windows
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A text box that identifies the path for the currently open folder
Explanation
An address bar can be seen in browser or Windows Explorer. In browser, it is used for entering the URL of a website.
Which of these image properties can you change using Image Properties dialog box ?
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Units
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Colors
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Dimensions
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All of these
Explanation
Using Image Properties dialog box, you can change the image size and switch between black and white and color mode.
is used to _______________________.
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Create a new paragraph.
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Display or hid symbols for characters like spaces and tabs
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Display or hide the title bar
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None of these
Explanation
The command button shown in the question is used for adding or changing the border around the page. So, option (D) is the answer.
What is the use of _________________.
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To show and hide the Ribbon.
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To show and hide the Scroll bars.
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To show and hide the ruler.
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None of these
Explanation
Command button shown in the question is of Line Numbers, which is used for adding line numbers in a document.
India has the largest railways in _____________.
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The world
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Developing countries
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Asia
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Southeast countries
Power sector in Delhi was privatized in the year ____________.
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2002
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2001
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2000
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2003
In the context of Resource Allocation, PPC stands for ___________________.
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Public and Private Sector Conflict
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Production Possibility Curve
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Public and Private Sector Co-Operation
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All of the above
Who was awarded the Nobel Prize twice, once for Chemistry and once for Peace?
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George Wald
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Linus Pauling
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Albert Einstein
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Wolfgang Pauli
Explanation
Linus Pauling was awarded the Nobel Prize in Chemistry in 1954 for his scientific work and for his Peace activism he was awarded the Nobel Peace Prize in 1962.
Electricity generated from radio-active elements is called ______________.
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Thermal Electricity
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Atomic Energy
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Hydel Electricity
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Tidal Energy
Explanation
Electricity generated from radio-active elements is called Atomic energy.
Brahmos, a supersonic cruise missile, has been named after which of the following geographic features?
$$1$$. Moscow
$$2$$. Moskva
$$3$$. Bihar
$$4$$. Brahmaputra
$$5$$. Ganga
Choose the correct option.
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$$1$$ and $$3$$
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$$2$$ and $$4$$
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$$1, 3$$ and $$5$$
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$$2, 4$$ and $$5$$
Explanation
Brahmos is jointly developed by India and Russia. The name Brahmos is a combination of Brahmaputra river in India and Moskva river in Russia.
The current range of the missile is 450 KM.
It is a Super-Sonic missile with a speed of 2.8 Mach.
It can be launched from air, water and sea.
NIXI stands for _____________________.
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National Internet Exchange of India
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National International Exchange of India
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National Institute of Exchange of Indian Goods
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None of the above
NXI stands for _________________.
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National Internet Exchange of India
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National Institute of India
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National Indian Exchange Institution
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National Academy of India
Which telecom giant has acquired yahoos core business?
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Verizon
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AT&T
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Reliance
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Vodafone
TRAI stands for __________________.
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Telephone Regulation Auto-matic India
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Telephone Regulatory Authority of India
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Telephone Regulatory Admi-ssion Internet
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None of the above
Who wrote the famous children's book called 'Gajapatl Kulapati'?
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R K Narayan
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Ashok Rajagopalan
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Shweta Prakash
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Rudyard Kipling
NLM was started in which year as a technology mission?
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1998
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2000
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2007
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2002
Sound waves that cannot be heard by the human ear are aimed at the body. the organs reflect them back giving a three-dimensional image that can be studied on a monitor. What is this form of imaging called?
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Electrocardiography
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Electroencephalography
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Magnetic Resonance Imaging
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Ultrasound scane
In the context of computers, what can be
the uses of cookies?
I) Maintain information
II) Run a programme
III) Deliver a virus
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I and II only
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I only
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II and III only
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III only
Explanation
Cookies are most commonly used to track website activity.
They are messages that web servers pass to the web browser when we visit Internet sites.
Which IIT institute to develop prototypes for self-piloted Vertical Take-off and Landing (VTOL) aircraft?
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IIT Indore
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IIT Kanpur
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IIT Bombay
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IIT Kolkata
Explanation
The Indian Institute of Technology-Kanpur (IIT-K) has signed a Rs 15 crore-Memorandum of Understanding (MoU) with the VTOL Aviation Pvt Ltd to develop prototypes for self-piloted Vertical Take-off and Landing (VTOL) aircraft. These prototypes will be used as air taxis for civilians. The VTOL technology equips the aircraft to perform manoeuvres that are impossible with traditional aircraft, and also comes across as a big advantage for air combat and rescue. Other features like an ability to carry enough payload and minimal readiness time make it handy in emergency situations like rapid deployment of ground troops, precise location hovering for delivery of supplies. These aircraft will also be very useful for rapid medical evacuation of troops from difficult terrains. VTOL aircraft can be used for surveillance, rescue mission, combat situations, paramedics, and civil aviation. These aircrafts could be operated in both steered and pilotless modes from any trivial base like helipads or any ground surface.
Which is the most preferred method of measuring inflation?
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WPI
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CPI
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NID
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None of the above
Which of the following vehicles is specially designed for disabled?
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0%
0%
0%
Explanation
A wheelchair is a wheeled mobility device in which a person sits and is driven either manually or via various automated systems.
They are used by people having difficulty in walking due to illness, injury or disability.
When inflation is coupled with stagnation, it is called _______________.
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Hyper inflation
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Creeping inflation
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Open inflation
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Stagflation
What are Java, Perl and Fortran?
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Types of plastics
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Computer programming languages
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Operating systems
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Types of coffee
Which state has topped the Health Index progressive report, which is recently released by NITI Aayog?
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Punjab
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Kerala
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Uttar Pradesh
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Tamil Nadu
Explanation
Kerala has topped the list of larger states on overall health performance in the Health Index report released by Niti Aayog while Uttar Pradesh appeared at the bottom among larger states in terms of overall performance. As per the index Healthy States, Progressive India report for large states, Kerala was followed by Punjab, Tamil Nadu and Gujarat. Besides Uttar Pradesh, Rajasthan, Bihar and Odisha are among the states that performed poorly in the health index. Among small states, Mizoram ranked first, followed by Manipur and Goa in terms of annual incremental performance. The Health Index will act as a tool to leverage cooperative and competitive federalism, accelerating the pace of achieving health outcomes. It has been evolved through comprehensive study and inputs from World Bank India and Ministry of Health.
SAARC Human Resource zDevelopment center is located at _________.
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Delhi
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Islamabad
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Colombo
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Dhaka
Manchester' is the seaport of _________.
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USA
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UK
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Russia
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France
USB is a plug-and-play interface that allows a computer to communicate with peripheral and other devices. What does USB stand for?
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Uniform Secondary Bit
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Ultra Smart Bandwidth
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Universal Serial Bus
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Utility Server Broadband
Explanation
The USB was co-invented and established by Ajay Bhatt, a computer architect who had been working for Intel.
It is the most common type of computer port used in today's computers.
It can be used to connect keyboards, mice, game controllers, printers, scanners, digital cameras, and removable media drives etc.
The capital of North Korea is _________.
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Pyongyang
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Soul
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Tallinn
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Malabo
"Buenos Aires" is the seaport of ____________.
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India
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Argentina
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France
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USA
The currency of Panama is __________.
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Balboa
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Kina
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Peso
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Zloty
ANSA' is the news agency of ____________.
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Pakistan
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Germany
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India
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USA
Dammam' is the seaport of _____________.
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Jordan
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Qatar
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Saudi Arabia
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France
The currency of Syria is ___________.
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Dollar
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Pound
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Guilder
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Peseta
Jeddah' Aires" is the seaport of _________.
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Jordan
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Kuwait
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Saudi Arabia
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Iraq
The capital of Moldova is _________.
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Port Louis
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Chisinau
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Male
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Rabat
Air Canada' is the airline of ________.
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Russia
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USA
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Canada
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Cuba
Orange is located in _____________.
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New South Wales
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Western Australia
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Northern territory of Australia
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Queen Land
Persia's new name is ___________.
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Iran
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Iraq
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Baghded
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Syria
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