Quiz Bee - META Grade 9

Which of the following organs is used by insects in their breathing?

• bronchus

• epithelium

• lung

• trachea

Which of the following pins are used to read sensor values in Arduino?

• Analog pin

• Digital pins

• PWM pins

• Reset pins

• 1

• 2

• 3

• none

Which of the following describes the role of arteries in blood circulation?

• It delivers oxygen-rich blood to the cells, away from the heart.

• It returns oxygen-poor blood from the cells back to the heart.

• These are small blood vessels that connect arteries and veins.

• It is composed of strong cardiac muscle tissues that continuously contract and relax to pump blood

Which of the following is NOT a variable scope in Arduino?

• Local variable

• Global variable

• International variable

• Formal parameter

What plant structure is responsible for the gas exchange in plants?

• stomata

• vein system

• cuticle

• root

Which of the following syntax codes is equivalent to a compound addition expression (X+=Y)?

• X+Y= Y

• Y= X+Y

•   X= X+Y

•   X==Y