TN Online TestSamacheer Kalvi practice

Geoinformatics One Mark Online Test (12th Standard Geography)

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Q1
Which one is wrongly matched?
Q2
GPS uses a constellation of
Q3
IRNSS provides location information service to users in India and the region extending from the Indian boundary for up to
Q4
Match column A with column B and answer using the codes given.
Column A: a) First Generation, b) Second Generation, c) Third Generation, d) Fourth Generation, e) Fifth Generation
Column B: i) Vacuum Tubes, ii) Transistors, iii) Integrated Circuits, iv) Microprocessors, v) Artificial Intelligence
Codes give the matches for a, b, c, d, e in order.
Q5
Which of the following is not the remote sensing techniques used in the field of geology?
Q6
Which of the following is not a sun synchronous satellite?
Q7
Which of the following is the fastest computer in the world?
Q8
GNSS satellites' orbit is situated about ________ km above the earth's surface.
Q9
Which of the following is a geosynchronous satellite?
Q10
Which of the following is not one of the three major components of Geoinformatics?
Q11
The re-direction of electromagnetic radiation by particles suspended in the atmosphere or by large molecules of atmospheric gases is called
Q12
Assertion (A): Image enhancement is not done until the image restoration processes are completed.
Reason (R): General enhancement distorts the original digital values of an image.
Q13
Consider the following statements:
1. Active sensors generate and use their own energy to illuminate the target.
2. Passive solar sensors can capture data only during daylight hours.
3. Active remote sensing operates in the visible and infrared region of the spectrum.
Which of the statements given above is/are correct?
Q14
QZSS, the regional navigation satellite system of Japan, has the nickname 'Michibiki'. What does Michibiki mean?
Q15
The first known aerial photograph was taken in 1858 by
Q16
Which remote sensing platform is a miniature remotely piloted aircraft that can operate without a runway and provide both night and day data?
Q17
Consider the following statements about geostationary satellites:
1. They make one revolution in 24 hours.
2. Their coverage is limited to 70 degrees N to 70 degrees S latitudes.
3. One satellite can view one-third of the globe.
4. They orbit the earth from pole to pole.
Which of the statements given above are correct?
Q18
In which year did India launch its first geostationary satellite, APPLE?
Q19
Which of the following satellites belongs to the polar orbiting or sun-synchronous category?
Q20
Signals intelligence (SIGINT) spy satellites, optimised for characterising ground-based radar systems or eavesdropping on communications, are also termed
Q21
Gaofen 4, described as the world's most powerful GEO spy satellite (launched in 2015), helps which country monitor strategic foreign sites?
Q22
Kalamsat, the world's lightest satellite designed by a Tamil Nadu student, weighs
Q23
In oceanography, the measurement of the depth of water in water bodies is called
Q24
Meta data, that is data about the data, is the key for documenting which component of GIS?
Q25
Find the odd one out with respect to GIS software.
Q26
Consider the following statements about the functions of GIS:
1. There are two basic methods of digitization: manual digitizing and scanning.
2. Raster and Vector are the two most common types of data models.
3. Data storage is based on a Generic Data Model used to convert map data into a digital form.
4. The heart of GIS is its data capture capability.
Which of the statements given above are correct?
Q27
Transit, the first satellite navigation system deployed by the US military, based its operations on
Q28
The Galileo constellation of the European Union will comprise 30 satellites in total. How are they made up?
Q29
Match the terms with their meanings:
a) Photogrammetry - 1) a device for receiving a radio signal and automatically transmitting a different signal
b) Transponder - 2) an integrated circuit that contains all the functions of a central processing unit
c) Microprocessor - 3) a substance toxic to plants, used to destroy unwanted vegetation
d) Herbicide - 4) the use of photography in surveying and mapping to ascertain measurements

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About this Geoinformatics test

This free online practice test covers Geoinformatics from the 12th Standard Geography (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

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