1) Which of these is an adaptation for a polar bear to survive the cold artic? a) Has sharp teeth b) Large body and small ears gives a small surface area c) White fur d) Sharp claws 2) What helps the camel survive long journeys without food in the desert a) Storing fat mainly in the hump b) Having long eyelashes c) Large to feet to spread out their weight d) Fur to protect skin from burning 3) Which is not an adaptation of a cactus plant? a) Small surface area b) Long shallow roots c) Thin waxy cuticle d) Spines instead of leaves 4) Why do desert rats have kidneys that produce concentrated urine? a) To reduce water loss b) So they can lose more water sweating c) Reduces dampness in underground burrow 5) What theory did Charles Darwin put forward? a) Theory Of Evolution by natural selection b) Theory of inheritance c) Theory of immunity 6) What happens when there is a change in the environment? a) Species change their reactions b) Species keep their behaviour the same c) Those best adapted survive and pass on successful genes 7) Which is the only process to take carbon dioxide out of the air? a) Combustion b) Respiration c) Photosynthesis d) Decay 8) Which is NOT a decomposer? a) Bacteria b) Virus c) Fungi 9) How do plants get nitogen to make proteins for growth? a) From 78% in the air b) From soil water c) From nitrates in soil 10) The human population is increasing exponentially which means a) Birth and death rate are equal b) Death rate is higher than birth rate c) Birth rate is higher than death rate 11) Which indicator species would you find in a heavily polluted river a) Mayfly larvae b) Lichen c) Stonefly larvae d) Sludgeworm 12) CFCs in fridges and freezers have contributed to a) Global warming b) Hole in Ozone layer c) Acid rain 13) Which is NOT a reason why species become endangered a) Habitat destruction b) Climate change c) Legal protection d) Hunting 14) What is sustainable development a) Taking resources for todays needs but leaving enough for future generations b) Catchig fish to meet demands of the market c) Stripping the land of minerals for industry 15) Which is an example of maintaining a sustainable resource a) Planting trees to replace those felled for industry b) Burning a fossil fuels c) Placing glass and plastics in a landfill site

B2 quiz part2b

by Anonymous
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