P6 Science (Extra Practice) Q1-14

Which of the following is true about both the above organisms?

• A and C

• B and C

• A and D

• B and D

Which of the following best represents the functions of the two parts as shown below?

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• A decrease in the amount of algae will cause an increase in the number of all the organisms.

• An increase in the population of big fishes is likely to cause an increase in the population of frogs.

• An increase in the number of water bugs is likely to cause a decrease in the number of small fishes.

• (1)    A decrease in the population of tadpoles is likely to cause a decrease in the population of water bugs.

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Which one of the following can best be used to differentiate between animal X and a fish?

• body covering

• The way they breathe

• The way the reproduce

• The number of stages in their life cycles

• The chicks are most likely to survive at higher temperatures.

• They do not hatch when incubated at temperatures lower than 20 ^oC.

• They are more likely to hatch when incubated at higher temperatures.

• The number of eggs that hatch affect the temperature of the incubators.

• Respiration begins.

• Photosynthesis stops.

• Respiration rate is at its maximum.

• Photosynthesis rate is at its maximum.

• Do the leaves of a plant absorb water?

• Do plants need roots to absorb water?

• Does the stem help to transport water to the leaves?

• Does the number of leaves affect how fast water travels up the stem?

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