IGCSE Biology Paper-2: Specimen Questions with Answers 77 - 80 of 103
Question number: 77
Question
Which of the following is not the part of in-situ conservation
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Biosphere reserves |
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| b. | Botanical gardens |
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| c. | National park |
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| d. | Wild life sanctuaries |
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Answer
b.Explanation
In situ conservation is related to the protection of plant, animal species in their natural habitat. Example of in situ conservation is national parks, wild life sanctuaries, and biosphere reserves. Botanical gardens are the example of ex-situ conservation.
Question number: 78
Question
What is the product of glycolysis?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Pyruvic acid |
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| b. | 2-Phosphglycerate |
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| c. | Phosphoenolpyruvate |
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| d. | Glucose -6- phosphate |
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Answer
a.Explanation
Glycolysis is the metabolic pathway that converts glucose C6H12O6, into pyruvate, CH3COCOO− + H+.
Question number: 79
Question
Diagram shows a fish. Find out the part X
Image Shows a Picture of Fish
Image is related to a fish in which label the part X
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Spines |
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| b. | Fin |
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| c. | Gill cover |
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| d. | Tail fin |
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Answer
b.Explanation
The Fins help the fish to swim. The large muscles of the body actually do most of the work, but the fins help with balance and turning.
Question number: 80
Question
What is the general formula of carbohydrate-?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. |
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| b. |
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| c. |
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| d. |
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Answer
a.Explanation
A carbohydrate is a biological molecule made up of carbon, hydrogen and oxygen atoms, in other words, with the empirical formula Cm (H2O) n (where m could be different from n).