Match the trophic levels with their correct species examples in grassland ecosystem. (a) Fourth trophic level (i) Crow (b) Second trophic level (ii) Vulture (c) First trophic level (iii) Rabbit (d) Third trophic level (iv) Grass Select the correct option.

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

(a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)

(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

Select the incorrect statement from the following

HARD

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

With the help of the diagram, explain the flow of energy in an ecosystem.

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Explain the process of the flow of energy in different trophic level of an ecosystem.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Explain the flow of energy in an ecosystem with the help of a diagram.

HARD

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

By which way the flow of energy and nutrients takes place in an ecosystem.

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

How is the detritus food chain connected with the grazing food chain in a natural ecosystem?

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Select the correct option for the "P" and "Q" in the given chart of a biological magnification of pesticides.

Question Image

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Write the differences between

Food chain and food web

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Draw the sequence of organisms of a food chain of a pond ecosystem.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Explain the role of the ‘first trophic level’ in an ecosystem.

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Describe the DDT biomagnification occurring in an aquatic food chain. State the negative effects the process has on the organisms at the last trophic level of the food chain.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Name the type of food chain that is the major conduit for energy flow in an aquatic ecosystem.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Match the trophic levels with their correct species examples in grassland ecosystem.

(a)	Fourth trophic level	(i)	Crow
(b)	Second trophic level	(ii)	Vulture
(c)	First trophic level	(iii)	Rabbit
(d)	Third trophic level	(iv)	Grass

Select the correct option.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Write down the names of trophic levels in the following food chain:

Grass $\to$ Goat $\to$ Man

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

In a food chain, deers are

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Differentiate between producer and decomposer.

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Give a diagrammatic representation of energy flow through different trophic levels.

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

State and Explain ten percent law of energy.

MEDIUM

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

What do detritus food chains begin with?

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

Identify the possible link 'M' in the following food chain:
Plant

\to

Insect

\to

M

\to

Snake

\to

Eagle

EASY

Life Sciences>Ecosystems: Interactions, Energy, and Dynamics>Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.>Cycles of Matter and Energy Transfer in Ecosystems - Photosynthesis and cellular respiration (including anaerobic processes) provide most of the energy for life processes

If 20J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
plant

\to

mice

\to

snake

\to

peacock

Select the incorrect statement from the following.

Important Questions on Construct and revise an explanation based on evidence for the cycling of matter and flow of energy in aerobic and anaerobic conditions.

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