Description : Pyramid of number in a grassland/true ecosystem is: (a) Always inverted (b) Always upright (c) Both (a) and (b) (d) Spindle-shaped
Last Answer : Ans. ((b))
Description : Pyramid of numbers in a pond ecosystem is (a) irregular (b) inverted (c) upright (d) spindle shaped.
Last Answer : (c) upright
Description : $ Pyramid of Energy is always upright ! Pyramid of biomass is always inverted.
Last Answer : $ Pyramid of Energy is always upright ! Pyramid of biomass is always inverted. A. If both As and R are ... is wrong D. If both As and R are wrong.
Description : What type of ecological pyramid would be obtained with the following data? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (a) Inverted pyramid of biomass (b) Pyramid of energy (c) Upright pyramid of numbers (d) Upright pyramid of biomass
Last Answer : (a) Inverted pyramid of biomass
Description : What type of ecological pyramid would obtained with the following data ? Secondary consumer : 120 g Primary consumer : 60 g Primary producer : 10 g (1) Inverted pyramid of biomass (2) Pyramid of energy (3) Upright pyramid of numbers (4) Upright pyramid of biomass
Last Answer : (1) Inverted pyramid of biomass
Description : Which one of the following statements for the pyramid of energy is incorrect ? (a) Its base is broad. (b) It shows energy content of different trophic level organisms. (c) It is inverted in shape. (d) It is upright in shape.
Last Answer : (c) It is inverted in shape.
Description : Which of the following ecological pyramids is generally inverted? (a) Pyramid of biomass in a sea (b) Pyramid of numbers in grassland (c) Pyramid of energy (d) Pyramid of biomass in a forest
Last Answer : (a) Pyramid of biomass in a sea
Description : Assertion: Pyramid of energy may be upright or inverted. Reason :Only 20% of energy goes to next trophic level.
Last Answer : Assertion: Pyramid of energy may be upright or inverted. Reason :Only 20% of energy goes to next ... . D. If both assertion and reason are false.
Description : The upright pyramid of number is absent in (a) pond (b) forest (c) lake (d) grassland.
Last Answer : (b) forest
Description : The upright pyramid of number is absent in (1) Grassland (2) Pond (3) Forest (4) Lake
Last Answer : (3) Forest
Description : In a pond ecosystem, benthos means: (a) Zooplanktons on water surface (b) Large fishes eating small ones (c) Primary consumes in the bottom of a pond (d) All phytoplankton’s
Last Answer : Ans. ((c))
Description : Pyramids of biomass in pond ecosystem are
Last Answer : Pyramids of biomass in pond ecosystem are A. Inverted B. Upright C. Linear D. Irregular
Description : Which ecosystem has the maximum biomass? (a) Grassland ecosystem (b) Pond ecosystem (c) Lake ecosystem (d) Forest ecosystem
Last Answer : (d) Forest ecosystem
Description : Which ecosystem has the maximum biomass ? (1) Grassland ecosystem (2) Pond ecosystem (3) Lake ecosystem (4) Forest ecosystem
Last Answer : (4) Forest ecosystem
Description : According the Korper Kappe thory the upright T-shaped division is found in
Last Answer : According the Korper Kappe thory the upright T-shaped division is found in – Root cap region
Description : Which of the following representations shows the pyramid of numbers in a forest ecosystem?
Last Answer : Which of the following representations shows the pyramid of numbers in a forest ecosystem? A. B. C. D.
Description : Which of the following representations shows the pyramid of numbers in a forest ecosystem? A B C D (a) D (b) A (c) B (d) C
Last Answer : b) A
Description : Inverted cortical vascular bundles are found in
Last Answer : Inverted cortical vascular bundles are found in – Nyctanthes stem
Description : Which of the folllowing ecological pyramids can be both upright and inverted?
Last Answer : Which of the folllowing ecological pyramids can be both upright and inverted? A. Pyramid of number B. Pyramid ... of energy D. Both (1) and (2)
Description : The image of an object formed on the retina of the eye is - (1) virtual and upright (2) virtual and inverted (3) real and inverted (4) Real and upright
Last Answer : (3) real and inverted Explanation: Although the image is inverted the mental interpretation of the effect on the retina is as though it is erect.
Description : The upright pyramid of number is absent in:
Last Answer : The upright pyramid of number is absent in: A. Forest B. Lake C. Grassland D. Pond
Description : Which of the following exhibits unidirectional flow in an ecosystem? (1) Light (2) Energy (3) Water (4) Biomass
Last Answer : (2) Energy Explanation: Ecosystems contain essentially two kinds of commodities: matter (nutrients) and energy. Material nutrients cycle through the biotic and abiotic parts of the ecosystem, available for ... Eventually, all of the energy that enters the ecosystem is lost in the form of heat.
Description : Which of the following exhibits unidirectional flow in an ecosystem ? (1) Light (2) Energy (3) Water (4) Biomass
Last Answer : Energy
Description : Pyramid of number is inverted in case of
Last Answer : Pyramid of number is inverted in case of A. Pond ecosystem B. Desert ecosystem C. Grass land ecosystem D. Forest ecosystem
Description : Which ecological pyramid can never occur in an inverted form?
Last Answer : Which ecological pyramid can never occur in an inverted form? A. Pyramid of number B. Pyramid ... . Pyramid of energy D. Pyramid of species richness
Description : The news story is written in the inverted pyramid style. Inverted pyramid style implies- a) Writing the most significant facts at the top b) Writing the most significant facts at the bottom c) Writing the most significant facts at the middle d) None
Last Answer : a) Writing the most significant facts at the top
Description : In a national park protection is provided to: (a) Entire ecosystem (b) Flora and fauna (c) Fauna only (d) Flora only
Description : The components of an ecosystem are: (a) Trees and weeds (b) Plants and animals (c) Man and plants (d) Biotic and abiotic
Last Answer : Ans. ((d))
Description : What is biosphere? Name the Giant ecosystem
Last Answer : Ans: Biologically inhabited part of the earth consisting of all ecosystems of the world is called biosphere. The earth is giant ecosystem.
Description : Which is the reason for highest biomass in aquatic ecosystem-
Last Answer : Which is the reason for highest biomass in aquatic ecosystem- A. Nanoplankton, blue green algae, ... molds C. Benthonic and brown algae D. Diatoms
Description : Which is the reason for highest biomass in aquatic ecosystem? (a) Nano plankton, blue green algae and green algae (b) Sea grass and slime moulds (c) Benthic and brown algae (d) Diatoms
Last Answer : (c) Benthic and brown algae
Description : The pyramid of energy in a forest ecosystem is:
Last Answer : The pyramid of energy in a forest ecosystem is: A. Always upright B. Always inverted C. Both upright and inverted D. None of the above
Description : what Using the ecological pyramid, explain how animals we think of pests (e.g. mosquitoes) are important to an ecosystem.?
Last Answer : By now, you have learned that there is a lot of interaction between all the components of an ecosystem. However, did you know that we can represent this relationship between the energy ... a diagrammatic format. The predictable changes that are seen in organisms are shown by ecological succession.
Description : The pyramid of numbers in grassland ecosystem will be-
Last Answer : The pyramid of numbers in grassland ecosystem will be- A. Upright B. Inverted C. Irregular D. Linear
Last Answer : The pyramid of numbers in grassland ecosystem will be- A. Linear B. Upright C. Irregular D. Inverted
Description : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?
Last Answer : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? A. Frog B. Phytoplankton C. Fish D. Zooplankton
Description : In pond ecosystem, diatoms represent
Last Answer : In pond ecosystem, diatoms represent A. Producers B. Primary consumers C. Secondary consumers D. Tertiary consumers
Description : Which part of pond ecosystem does not get affected by temperature?
Last Answer : Which part of pond ecosystem does not get affected by temperature? A. Epilimnion B. Metalimnion C. Hypolimnion D. All
Description : The stability of a pond ecosystem depends on - (1) micro-organisms and fishes (2) micro-organisms and zoo planktons (3) fishes and reptiles (4) producers and consumers
Last Answer : (4) producers and consumers
Description : Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem? (a) Fish (b) Zooplankton (c) Frog (d) Phytoplankton
Last Answer : (a) Fish
Description : Which of the following shows heterothallism? (a) Rhizopus (b) Cycas (c) Bacterium (d) Ricinus
Last Answer : Ans. ((a))
Description : Study the given figure of nitrogen cycle that shows the relationship between the three main nitrogen pools-atmosphere, soil and biomass and find label
Last Answer : Study the given figure of nitrogen cycle that shows the relationship between the three main nitrogen pools- ... and find labelled part A,B,C & D
Description : In an ecosystem, which one shows one-way passage? (a) Free energy (b) Carbon (c) Nitrogen (d) Potassium
Last Answer : (a) Free energy
Description : A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations A and B twenty years apart. Select the correct interpretation about them. ... the growth rate. (d) A is more recent and shows slight reduction in the growth rate.
Last Answer : (d) “A” is more recent and shows slight reduction in the growth rate.
Description : Why is a food web more realistic way of portraying an ecosystem than a food chain? a) Because it shows the relation of organisms with each other in a habitat b) Because food chains use only a ... other in a habitat d) Because it compares the number of consumers to the number of micro-organisms.
Last Answer : Because it shows the relation of organisms with each other in a habitat
Description : What is the energy stored in the process of respiration ?
Last Answer : The energy produced during respiration is stored in the form of ATP .
Description : The net gain of energy from one gram mole of glucose during aerobic respiration is: (a) 2 ATP (b) 4 ATP (c) 38 ATP (d) 40 ATP
Description : Energy transfer from one traphic level to other in a food chain is (a) 10% (b) 20% (c) 1% (d) 2%
Description : The 10% energy transfer law of food chain was given by (a) Lederberg (b) Lindmann (c) Weismann (d) Lindley
Description : Potential energy is produced during a.Photorespiration b.Respiration c.Photosynthesis d.ATP synthesis
Last Answer : c.Photosynthesis