Biology Part 581 Chapter No. 26
MULTIPLE CHOICE QUESTIONS
Four possible answers are given for the following questions. Tick (V)
the correct answer.
(1) It refers to short-term fluctuations in temperature, humidity, cloud cover, wind and
precipitation.
(a) weather (b) climate (c) habitat (d) season
(2) It refers to overall patterns of weather that prevail from year to year
(a) season (b) weather (c) climate (d) biome
(3) It is a "system in water where living and non-living components exchange materials
and transfer of energy also takes placed within water".
(a) lithospheric ecosystem (b) hydrospheric ecosystem
(c) geospheric ecosystem (d) all
(4) Water changes its temperature than air.
(a) faster (b) quicker
(c) does not changes temperature (d) slower
(5) At the depth of or more, a little light is left to power photosynthesis.
(a) 700 feet (b) 800 feet (c) 500 feet (d) 600 feet
(6) The nutrients in aquactic ecosystem tend to be concentrated near the
(a) surface (b) bottom (c) middle (d) all of these
(7) Temperature is present in aquatic ecosystem to carry out all metabolic processes.
(a) high (b) low (c) appropriate (d) optimum
(8) Phytoplankton are eaten by
(a) zooplankton (b) fungi (c) algae (d) protozoa
(9) The productivity can be indicated by consumption of evolution of inand
the process of photosynthesis.
(a) 02, C02 (b) C02, 02 (c) N02, 02 (d) 02, S02
(10) The amount of nutrients changes with
(a) weather (b) season (c) PH (d) temperature
(11) The lake ecosystem can be divided into___________ main zones.
(a) (c)
, Biology Part 582 Chapter No. 26
(a)three (b) four (c)two (d) five
(12) lil this zone, the water is shallow, and plants find abundant light, anchorage and
adequate nutrients from the bottom sediments.
(a) profundal zone (b) limnetic zone (c) littoral zone (d) all
(13) In which zone communities plants are most diverse.
(a) profundal (b) limnetic (c) photic (d) littoral
(14) This open water area is divided into two regions: the upper limnetic zone and the
lower zone.
(a) littoral (b) photic (c) aerobic (d) profundal
(15) Phytoplankton are eaten by protozoa and small crustaceans, which in turn are
consumed by
(a) fishes (b) mammals (c) insects (d) sponges
(16) In this zone light is insufficient to support photosynthesis.
(a) limnetic (b) littoral (c) profundal (d) none of these
(17) Human activities may greatly accelerate the process of
(a) respiration (b) eutrophication (c) photosynthesis (d) transport
(18) Producers like form a scum on the lake surface, depriving the
submerged plants of sun light.
(a) plants (b) algae (c) protozoa (d) blue-green algae
(19) Very serious cause of polluted water is produces by burning of fossil fuels.
(a) acid (b) alkali (c) gases (d) resins
(20) The ecosystem present on land or soil is called
(a) terrestrial (b) lithospheric
(c) both a and b (d) hydrospheric
(21) On the average temperature is below freezing.
(a) Equator (b) Above equator (c) Poles (d) Space
(22) The amount of 02 and C02 in air is much and most beneficial to terrestrial
ecosystem.
(a) Higher (b) Lower (c) Both (d) Constant
(23) Both plants and animals have evolved supporting tissues like.
(a) (c)
MULTIPLE CHOICE QUESTIONS
Four possible answers are given for the following questions. Tick (V)
the correct answer.
(1) It refers to short-term fluctuations in temperature, humidity, cloud cover, wind and
precipitation.
(a) weather (b) climate (c) habitat (d) season
(2) It refers to overall patterns of weather that prevail from year to year
(a) season (b) weather (c) climate (d) biome
(3) It is a "system in water where living and non-living components exchange materials
and transfer of energy also takes placed within water".
(a) lithospheric ecosystem (b) hydrospheric ecosystem
(c) geospheric ecosystem (d) all
(4) Water changes its temperature than air.
(a) faster (b) quicker
(c) does not changes temperature (d) slower
(5) At the depth of or more, a little light is left to power photosynthesis.
(a) 700 feet (b) 800 feet (c) 500 feet (d) 600 feet
(6) The nutrients in aquactic ecosystem tend to be concentrated near the
(a) surface (b) bottom (c) middle (d) all of these
(7) Temperature is present in aquatic ecosystem to carry out all metabolic processes.
(a) high (b) low (c) appropriate (d) optimum
(8) Phytoplankton are eaten by
(a) zooplankton (b) fungi (c) algae (d) protozoa
(9) The productivity can be indicated by consumption of evolution of inand
the process of photosynthesis.
(a) 02, C02 (b) C02, 02 (c) N02, 02 (d) 02, S02
(10) The amount of nutrients changes with
(a) weather (b) season (c) PH (d) temperature
(11) The lake ecosystem can be divided into___________ main zones.
(a) (c)
, Biology Part 582 Chapter No. 26
(a)three (b) four (c)two (d) five
(12) lil this zone, the water is shallow, and plants find abundant light, anchorage and
adequate nutrients from the bottom sediments.
(a) profundal zone (b) limnetic zone (c) littoral zone (d) all
(13) In which zone communities plants are most diverse.
(a) profundal (b) limnetic (c) photic (d) littoral
(14) This open water area is divided into two regions: the upper limnetic zone and the
lower zone.
(a) littoral (b) photic (c) aerobic (d) profundal
(15) Phytoplankton are eaten by protozoa and small crustaceans, which in turn are
consumed by
(a) fishes (b) mammals (c) insects (d) sponges
(16) In this zone light is insufficient to support photosynthesis.
(a) limnetic (b) littoral (c) profundal (d) none of these
(17) Human activities may greatly accelerate the process of
(a) respiration (b) eutrophication (c) photosynthesis (d) transport
(18) Producers like form a scum on the lake surface, depriving the
submerged plants of sun light.
(a) plants (b) algae (c) protozoa (d) blue-green algae
(19) Very serious cause of polluted water is produces by burning of fossil fuels.
(a) acid (b) alkali (c) gases (d) resins
(20) The ecosystem present on land or soil is called
(a) terrestrial (b) lithospheric
(c) both a and b (d) hydrospheric
(21) On the average temperature is below freezing.
(a) Equator (b) Above equator (c) Poles (d) Space
(22) The amount of 02 and C02 in air is much and most beneficial to terrestrial
ecosystem.
(a) Higher (b) Lower (c) Both (d) Constant
(23) Both plants and animals have evolved supporting tissues like.
(a) (c)
