Leaves

The main site of photosynthesis is in ?

• the stomata

• the waxy layer

• the palisade layer

• the spongy layer

What feature of a plant reduces the amount of water evaporating from top surface ?

• Stomata

• Waxy Layer

• Guard cells

• Veins

Which cells open and close the stomata ?

• Green

• Guard

• Spongy

• Palisade

Which feature of a plant allows gases to diffuse in and out of the leaf ?

• Veins

• Air Sacs

• Waxy Layer

• Stomata

What part of the cell contains the pigment that makes leaves green ?

• Chloropasta

• Chloroform

• Chlorophyll

• Chloroplasts

Which of these is NOT a way to increase the strength of an electromagnet ?

• Increasing the current

• Increasing the number of coils

• Using a non magnetic core

• Pushing the turns of the wire closer together

Why may stomata close during hot weather ?

• Because they have been damaged by the heat

• To reduce water loss

• They think its night time

• Guard cells do not work in hot weather

C₆H₁₂O₆

How many Oxygen atoms are present in this compound ?

• 1

• 6

• 12

• 3

Which of the following is not produced in aerobic respiration ?

• Glucose

• Energy

• Carbon Dioxide

• Water

Which of these is not needed by a plant to photosynthesize ?

• Carbon Dioxide

• Light

• Oxygen

• Water