IGCSE Biology Paper-3: Specimen Questions with Answers 218 - 221 of 230
Question number: 218
Write in Short
Match the two columns shown below.
Table Shows Name of Some Living Organisms and Their Habitat
Above table shows name of living organism and the place where they found in majority
Explanation
In Some Living Organisms and Their Habitat in Arranged Manner
Above table shows name of living organism and the place where they found in majority
Question number: 219
Write in Short
Vitamins are very essential for human beings. Draw one straight line from each vitamin to its deficiency diseases.
Name of Different Vitamins and Disease Related to That Vitamin
Above table shows name of vitamins (Vitamin A, Vitamin D and Vitamin E) and disease, which happens due to deficiency of such vitamins in unarranged manner.
Explanation
Different Vitamins and Disease Related to That Vitamin
Above table shows name of vitamins (Vitamin A, Vitamin D and Vitamin E) and disease, which happens due to deficiency of such vitamins in arranged manner by making straight line.
Question number: 220
Write in Short
By the action of which enzyme Starch hydrolyzed into maltose.
Conversion of Starch to Maltose
Understanding the conversion of starch to maltose
Explanation
Starch hydrolyzed into maltose through the action of the enzyme amylase.
Question number: 221
Question
Which is the characteristics of non-chordates?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Heart is ventral |
|
| b. | CNS is always hollow and dorsal |
|
| c. | Hb, if present, is dissolves in the plasma |
|
| d. | Post ventral part forms a tail. |
|
Answer
c.Explanation
Non-chordates animals do not have notochord. They are the maximum diversified animals living or extinct. Main characteristics of such type of animal are dorsal heart is present, generally post ventral tail is not present and mainly exoskeleton alone present.