CIE Biology Paper-3: Specimen Questions 73 - 79 of 230

Question number: 73

MCQ▾

Question

Which is the main pituitary gland disorder?

Choices

Choice (4)		Response
a.	Addison’s disorder
b.	Grave disorder
c.	Goiter
d.	Dwarfism

Answer

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

Short Answer Question▾

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Organism, which eat producers, are called.

Explanation

Herbivores

Question number: 75 (2 of 4 Based on Passage) Show Passage

Short Answer Question▾

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Compounds, which make their own food, are known as.

Explanation

Plants

Question number: 76 (3 of 4 Based on Passage) Show Passage

Short Answer Question▾

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Food chain is start with which source

Explanation

sunlight

Question number: 77 (4 of 4 Based on Passage) Show Passage

Short Answer Question▾

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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

Short Answer Question▾

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

MCQ▾

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

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.