Name the raw materials which are essential to carry out the process of photosynthesis in plants.

In the human body, where is the digested food absorbed into the blood?

Amino acids are formed by the decomposition of which component of our diet?

$(a)$ Draw a diagram of the human alimentary canal and label the following: Oesophagus,Gall bladder,Liver,and Pancreas.
$(b)$ Explain the statement: 'Bile does not contain any enzyme but it is essential for digestion.'

Which is the first enzyme to mix with food in the digestive tract?

In the following questions, a statement of Assertion is given followed by a corresponding statement of Reason. Mark the correct answer as:
Assertion: The tongue is a part of the mouth that bears several taste buds.
Reason: It is helpful in producing speech.