Which part of the plant absorbs water and mineral salts?
Stem
Flower
Root
Leaf
Which of the following is required for photosynthesis?
Nitrogen
Oxygen
Sunlight
Carbon dioxide
The green pigment that traps light energy for photosynthesis is called _______
Chlorophyll
Enzyme
Xylem
Glucose
In which organelle does photosynthesis take place?
Chloroplast
Nucleus
Vacuole
Cytoplasm
The xylem transports _______.
Oxygen
Enzymes
Water and mineral salts
Food
The movement of water in and out the cell is called ... .
active transport
transpiration
osmosis
diffusion
Which gas is released during photosynthesis
Carbon dioxide
Oxygen
Nitrogen
Water vapor
What type of energy is needed for photosynthesis to occur?
Electrical energy
Chemical energy
Mechanical energy
Light energy
What is the function of stomata?
Allow gas exchange
Absorb sunlight
Store food
Transport water
What type of plant cell increases surface area for water absorption
Parenchyma
Root hair cell
Companion cell
Guard cell
Which of the following shows the correct energy conversion during photosynthesis?
Light → Chemical energy
Chemical → Light energy
Light → Heat energy
Heat → Chemical energy
Why is chlorophyll important in photosynthesis?
It absorbs sunlight
It transports water
It stores food
It reflects light
What happens to the rate of photosynthesis when light intensity increases (up to a certain point)
It stops
It increases
It decreases
It stays the same
Which of these is not needed for photosynthesis?
Carbon dioxide
Water
Oxygen
Light
Which part of a leaf prevents too much evaporation
Waxy cuticle
Xylem
Phloem
Stomata
