Why is transpiration important for plants?

Which of the following statements about the autotrophs is incorrect?

Draw the diagram of the alimentary canal of a human and label the following parts:
Mouth,Oesophagus,Stomach,Intestine.

State whether the following statement is true or false: 'Reptiles have a three-chambered heart,mammals have a four-chambered heart,and fishes have a two-chambered heart.'

Name any two digestive enzymes secreted in the human digestive system and write their functions.

Which of the following statement$(s)$ is (are) correct?
$(i)$ Pyruvate can be converted into ethanol and carbon dioxide by yeast.
$(ii)$ Fermentation takes place in aerobic bacteria.
$(iii)$ Fermentation takes place in mitochondria.
$(iv)$ Fermentation is a form of anaerobic respiration.