IGCSE Biology Paper-1: Specimen Questions with Answers 117 - 118 of 208
Question 117
Question
MCQ▾The diagram shows a plant cell.
Which feature indicates that it is a palisade cell?
Choices
Choice (4) | |
---|---|
a. | a thick cell wall |
b. | a large vacuole |
c. | a large nucleus |
d. | many chloroplasts |
Answer
b.Explanation
Palisade tissues: Their cells are rectangular, tightly fitted together & Inter cellular spaces are absent. They are present towards adaxial / ventral / upper side of leaf. Number of chloroplasts are more in palisade tissue as compare to spongy parenchyma. So upper surface of a leaf appears greener as compared to lower surface.Question 118
Question
MCQ▾What is produced by anaerobic respiration in a muscle?
Choices
Choice (4) | |
---|---|
a. | lactic acid-no, carbon dioxide-yes |
b. | lactic acid-no, carbon dioxide-no |
c. | lactic acid-yes, carbon dioxide-yes |
d. | lactic acid-yes, carbon dioxide-no |