CIE Biology Paper-3: Specimen Questions 73 - 79 of 230
Question number: 73
Question
Which is the main pituitary gland disorder?
Choices
Choice (4) | Response | |
---|---|---|
a. | Addison’s disorder | |
b. | Grave disorder | |
c. | Goiter | |
d. | Dwarfism |
Answer
d.Explanation
Hypo secretion of human growth hormone can leads dwarfism in which bones and other parts of the body is slowed down and body of mature person is look like a child.
Passage
Figure shows a simple food chain of grassland ecosystem
food chain related tograss land ecosystem without any direction
Figure shows a food chain in which food energy is transfer from one organism to another without energy transfer direction
Question number: 74 (1 of 4 Based on Passage) Show Passage
Write in Short
Organism, which eat producers, are called.
Explanation
Herbivores
Question number: 75 (2 of 4 Based on Passage) Show Passage
Write in Short
Compounds, which make their own food, are known as.
Explanation
Plants
Question number: 76 (3 of 4 Based on Passage) Show Passage
Write in Short
Food chain is start with which source
Explanation
sunlight
Question number: 77 (4 of 4 Based on Passage) Show Passage
Write in Short
In which direction arrows will be marked
Explanation
food chain related to grass land ecosystem unidirectional way
Figure shows a food chain in which food energy is transfer from one organism to another in one-way direction like from sun to plants.
Question number: 78
Write in Short
Many factories do not treat their liquid waste and release it into a water resource. What is the other term can be used for liquid waste?
Explanation
The term Sewage Water is used for the liquid waste.
Question number: 79
Question
Nitrogenous waste urea and uric acid’s solubility in water is.
table of urea and uric acid solubility in water
found the solubility of nitrogenous waste in water
Choices
Choice (4) | Response | |
---|---|---|
a. | d | |
b. | b | |
c. | a | |
d. | c |
Answer
d.Explanation
Urea is neither acidic nor alkaline and it is easily dissolved in water. Frog, toad, mammals all are ureotelic the solubility of uric acid is rather low. Insects reptiles birds are uricotelic.