he correct option:
(2 marks)
a) The primary function of enzymes in the saliva is to convert:
(i) fats into fatty acids and glycerol
(ii) starch into simple sugars
(iii) proteins into amino acids
(iv) complex sugars into simple sugars
b) The cell membrane of an amoeba changes its shape to trap food. What are these
structures called?
(i) cud
(ii) vacuole
(iii) pseudopodia
(iv) cell wall
1 marks
Answers
Answer:Fill in the blanks:
(a) The main steps of nutrition in humans are __________, __________, __________, _________ and __________.
(b) The largest gland in the human body is __________.
(c) The stomach releases hydrochloric acid and ___________ juices which act on food.
(d) The inner wall of the small intestine has many finger-like outgrowths called _________.
(e) Amoeba digests its food in the ____________.
Answer:
(a) The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.
(b) The largest gland in the human body is liver.
(c) The stomach releases hydrochloric acid and digestive juices which act on food.
(d) The inner wall of the small intestine has many finger-like outgrowths called villi.
(e) Amoeba digests its food in the food vacuole.
Answer:
the primary function of exam in the saliva is to convert