Question

1-The opening and closing of stomatal pores depend on:

i) oxygen ii) temperature

iii) water in guard cells iv) concentration of CO2 in guard cells

2-Which is the first enzyme to mix with food in the digestive tract:

i) pepsin ii) cellulose iii) amylase iv) trypsin

3- The internal energy (cellular) reserve in autotrophs is:

i) glycogen ii) protein iii) starch iv) fatty acid

4-Which part of the alimentary canal receives bile from the liver:

i) stomach ii) small intestine iii) large intestine iv) oesophagus

5-Oxygen liberated during photosynthesis comes from:

i) water ii) chlorophyll iii) carbon dioxide iv) glucose

6-During the experiment on photosynthesis, a leaf is boiled in:

i) water ii) alcohol iii) iodine iv) sulfuric acid

VII. The juices secreted by pancreas are:

i) trypsin ii) pepsin iii) bile juice iv) both i and ii

8-Light reaction takes place in plants in:

i) grana ii) stroma iv) cytoplasm iv) endoplasmic reticulum

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Answer 1

1 . Concentration of Co2 in guard cells .

2 .pepsin

3. starch

4.oesophagus

5.Co2

6.iodine

7. both i and ii

8. granna

HOPE THIS ANSWER WILL BE HELPFUL ^_^

Answer 2

Answer:

1- iii

2- iii

3- iii

4- ii

5- i

6- ii

7- i

8- i

HOPE IT HELPS