Question

Wallt lateral. For example, waste
falling leaves, or excreted into the surrounding soil.
le in the cell-vacuoles or as gum and resin, removed in the
E XERCISES
1. The kidneys in human beings are a part of the system for
nutrition.
excretion.
respiration.
(d)
2. The xylem in plants are responsible for
transportation.
(a)
transport of water.
(c) transport of amino acids.
(b) transport of food.
(d) transport of oxygen.
3. The autotrophic mode of nutrition requires
carbon dioxide and water.
sunlight.
(b) chlorophyll.
(d) all of the above.
4. The breakdown of pyruvate to give carbon dioxide, water and energy takes place
(a) cytoplasm.
(c) chloroplast.
(b) mitochondria.
(d) nucleus.
5. How are fats digested in our bodies? Where does this process take place?
6. What is the role of saliva in the digestion of food?
(c)​

Answer 1

Answer:

answer 1-C

2-A

3-D

4-B

Explanation:

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