Science

Drivers on a motor way must obey the

• Traffic light

• Traffic signals

• Speed limit

• Time

There are ———- detector strips in the road

• 1

• 2

• 3

• 4

In the laboratory you can use ———— to measure the speed of a moving object

• Watch

• Clock

• Light gates

• Alarm

If the distance is 10 m and time taken is 0.42 s , then the speed of the car will be

• 20s

• 24 s

• 22s

• 34s

Each light gate has an invisible beam of ———

• White light

• Spectrum

• Rainbow

• Infrared light

—-—- tells us that the object is speeding up

• Equal spacing

• Lesser spacing

• Increasing spacing

• Decreasing spacing

In time graph /distance the time is shown on the

• X axis

• Y axis

• Middle

• End

In time graph the distance is shown on the

• X axis

• Y axis

• Middle

• End

Photosynthesis process occurred in the plants special part parts known as

• Vascular bundles

• Chloroplasts

• Cytoplasm

• Root hair

Most of the photosynthesis process occurs in the following structures

• Palisade layer

• Spongy layer

• Lower epidermis

• Upper epidermis