JCSE1

What is the use of 'point in direction' block in Scratch programming?

• It is used to point the sprites to the right/left directions when the flag is clicked

• It is used to move the sprites on the Scratch stage

• It is used to hide the sprites from the stage

• All of the above

Answer explanation

The 'point in direction' block is used to change the direction that a sprite is facing when a specific angle is provided. This helps control the orientation of sprites within the Scratch stage.

Which block is used for starting an algorithm?

• 
  Forever

• Wait until

• Show

• 
  When green flag is clicked

Answer explanation

The 'When Green Flag Clicked' block is used to start an algorithm in Scratch. It acts as the trigger for the script to begin executing when the green flag on the Scratch stage is clicked.

Which of the following is the last stage of a plant life cycle?

• Growth

• Pollination

• Seeds Formation

• Sprouting

Answer explanation

Pollination is a critical stage in the plant life cycle, occurring after the growth of the plant. It involves the transfer of pollen from the male reproductive parts to the female reproductive parts of a flower, leading to the formation of seeds.

Which block is used to send a message between sprites or from a sprite to the stage?

• 
  Sequence

• Send

• Transmit

• Broadcast

Answer explanation

The 'Broadcast' block is used to send a message between sprites or from a sprite to the stage. When a sprite broadcasts a message, other sprites can listen for that message and respond accordingly

Which are the parameters that need to be specified by the programmer while using the 'glide' instruction?

• 
  Coordinates

• Duration

• Direction

• Both 1 & 2

Answer explanation

The 'glide' instruction in Scratch requires the programmer to specify both the target coordinates and the duration of the glide. This allows a sprite to smoothly move from its current position to the specified destination.