Contents

Stomata open to allow …………the plant.
a) sugar into                
b) sugar out of
c) carbon dioxide into
d) light into

c

Products of photosynthesis are:
a) carbon dioxide and water
b) hydrogen and water
c) glucose and carbon dioxide
d) glucose and oxygen

d

How does chlorophyll help a plant?
a) It absorbs light energy in photosynthesis.
b) It moves water and minerals through the plant.
c) It moves sugar and water through the plant.
d) It absorbs water

a

Which is correct for leaves to make food?
a) flat surface             
b) presence of large number of stomata
c) thick layer of mesophyll cells
d) all of the above

d

Respiration takes place in………….of cells.
a) chloroplasts                        
b) mitochondria
c) nucleus                   
d) cell membrane

b

In all living things, energy producing  process is called……….
a) photosynthesis       
b) respiration
c) both a and b            
d) none of these

a