Question

Q7. How would you test the presence of starch in leaves?

Q 8.Name the following:
(a)lt digests carbohydrates, proteins and fats in the small intestine.
(b) It transports the nutrients from the undigested food to every cell of the body
.
(c) It breaks down starch into sugar in the mouth.

(d) It produces bile juice.

(e) It secretes pepsin.

(f) They are building blocks of proteins
.
(g) It protects the lining of the stomach.

(h) It secretes pancreatic juice.
fortilizers?​

Answer 1

Answer:

8.)

a. enzyme

b. big intestine

c. salivary amylase

d. liver

e. gastric chief cells of the stomach lining

f. amino acids

g. gastric mucus

h. pancreas

Explanation:

7. Iodine solution is used to test leaves for the presence of starch. You need to heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)

8.

(a) lt digests carbohydrates, proteins and fats in the small intestine is enzyme.

(b) It transports the nutrients from the undigested food to every cell of the body is the big intestines

(c) It breaks down starch into sugar in the mouth salivary amylase

(d) It produces bile juice is liver

(e) It secretes pepsin is the gastric chief cells of the stomach lining

(f)They are building blocks of proteins is amino acids

(g) It protects the lining of the stomach is Gastric mucus

(h) It secretes pancreatic juice is pancreas.

Answer 2

Explanation:

मार्कस ब्रेनलिएस्ट plz