Dubai Stem Olympiad 2019-20 Round 1 | Intermediate Category

Questions

Settings

Create your own Quiz

Questions and Answers

1.

Which of the following can 3D printers be used for?
- A.
  
  Prosthetics
- B.
  
  Aircraft parts
- C.
  
  Art pieces
- D.
  
  All of the above
Correct Answer
D. All of the above
2.

A truck is carrying mango juice, tomato juice, and passion fruit juice bottles in a ratio of 4 : 4 : 3. If there are 1020 passion fruit juice bottles, then how many juice bottles in total are there?
- A.
  
  2805
- B.
  
  3740
- C.
  
  3700
- D.
  
  3555
Correct Answer
B. 3740
3.

What is the full form of OLED?
- A.
  
  Organic Light Emitting Diode
- B.
  
  Occipital Light Emitting Diode
- C.
  
  Organic Laser Emitting Device
- D.
  
  Orange Light Emitting Device
Correct Answer
A. Organic Light Emitting Diode
4.

Which of the following are correct?
- A.
  
  125 - (- 465) - 2530 > -365 - (-82) -1600
- B.
  
  555 + 6402 * 809287⁰ < 2¹¹*3
- C.
  
  38943 -2907 + (-4230) < 23541 - (-3666) - 4567
- D.
  
  3⁴ * 10 + 2895 - 321 > 3542 - (-158) + 428
Correct Answer
B. 555 + 6402 * 809287⁰ < 2¹¹*3
5.

Which of the following is not malicious?
- A.
  
  Virus
- B.
  
  Cookie
- C.
  
  Trojan
- D.
  
  None of the above
Correct Answer
B. Cookie
6.

What sensor can be used to measure the average kinetic energy particles in a substance?
- A.
  
  Temperature Sensor
- B.
  
  PH Sensor
- C.
  
  Optical Sensor
- D.
  
  Sound Sensor
Correct Answer
A. Temperature Sensor
7.

What is the function of a gear?
- A.
  
  Causes a load to move by applying force
- B.
  
  Spins in circles and transfers electricity from one gear to another
- C.
  
  Transmit rotary motions as well as power from one shaft to another
- D.
  
  Rotates on a fixed point only
Correct Answer
C. Transmit rotary motions as well as power from one shaft to another
8.

A name for a small picture or image representing a folder or a program
- A.
  
  Graphic
- B.
  
  RAM
- C.
  
  CPU
- D.
  
  Icon
Correct Answer
D. Icon
9.

An ecosystem is a community of living organisms and their ________ environment.
- A.
  
  Non living
- B.
  
  Mental
- C.
  
  Habitat
- D.
  
  Physical
Correct Answer
D. Physical
10.

Which key is used to temporarily allow the typing of a capital letter?
- A.
  
  Control key
- B.
  
  Shift key
- C.
  
  Backspace key
- D.
  
  Caps lock key
Correct Answer
B. Shift key
11.

What is the area of the following image?
- A.
  
  80.64 cm²
- B.
  
  72.24 cm²
- C.
  
  81.25 cm²
- D.
  
  72.4 cm²
Correct Answer
A. 80.64 cm²
12.

The part of a computer that allows the user to view information on a screen.
- A.
  
  Mouse
- B.
  
  CPU
- C.
  
  Motherboard
- D.
  
  Monitor
Correct Answer
D. Monitor
13.

Which of the following are not an example of a lever being used?
- A.
  
  Tweezers
- B.
  
  Scissors
- C.
  
  Tables
- D.
  
  Nutcrackers
Correct Answer
C. Tables
14.

Which of the following are in order from smallest to largest?
- A.
  
  3/10, 3/11, 3/12, 3/13
- B.
  
  5/12, 3/12, 2/12, 1/4
- C.
  
  1/2, 5/8, 3/4, 13/16
- D.
  
  2/7, 8/34, 4/12, 3, 10
Correct Answer
C. 1/2, 5/8, 3/4, 13/16
15.

Molecules in this phase of matter are tightly packed together
- A.
  
  Solid
- B.
  
  Liquid
- C.
  
  Gas
- D.
  
  None of these
Correct Answer
A. Solid
16.

These device allows the user to record or send their voice into the computer
- A.
  
  Monitor
- B.
  
  Microphone
- C.
  
  Speaker
- D.
  
  Printer
Correct Answer
B. Microphone
17.

Round 13.746 to the nearest tenth.
- A.
  
  13.7
- B.
  
  14
- C.
  
  10
- D.
  
  13.75
Correct Answer
A. 13.7
18.

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
- A.
  
  4
- B.
  
  7
- C.
  
  9
- D.
  
  13
Correct Answer
A. 4
19.

What is the function of a floppy disk?
- A.
  
  Produce audio output that can be heard by the listener
- B.
  
  To store and retrieve digital information
- C.
  
  A small drive used in computers for data transfer
- D.
  
  Stores data for short-term use
Correct Answer
C. A small drive used in computers for data transfer
20.

What is the difference between weight and mass?
- A.
  
  Mass is the quantity of substance while weight is a force
- B.
  
  Mass is a force while weight is the quantity of substance
- C.
  
  They are the same
- D.
  
  Mass is heavier than weight
Correct Answer
A. Mass is the quantity of substance while weight is a force