Ecosystem is the structural and functional unit of ecology. This statement was given by _______

(a)

Tansley

(b)

Odum 

(c)

Charles Elton

(d)

Edwin

Identify the incorrect option among the following component sequence.

(a)

air, water, sunlight and temperature

(b)

latitude, altitude, direction of mountain and aptitude

(c)

soil air, pH of soil, saltwater and soil moisture

(d)

carbohydrate, protein, lipids and humic substances

Pick out the edaphic factor among the following.

(a)

Rain fall

(b)

Temperature

(c)

Soil pH

(d)

Latitude

Which is not a macro consumer?

(a)

Herbivore

(b)

Carnivore

(c)

Ominivore

(d)

Decomposer

Photosynthetically Active Radiation ranges between the wavelength of __________

(a)

400 - 600 nm

(b)

600 - 700 nm

(c)

400 - 500 nm

(d)

400 - 700 nm

Identify the incorrect statement

(a)

Carbon stored in oil is referred as Grey carbon

(b)

Carbon stored in atmosphere is referred as Blue carbon

(c)

Carbon stored in industrialized forests is referred as Green carbon

(d)

Carbon emitted from gas, died engine is referred as Black carbon

Which group of organism occupies the third tropic level in an ecosystem?

(a)

Primary consumers

(b)

Secondary consumers

(c)

Secondary carnivores

(d)

Omnivores

Which is irrelevant to the first law of thermodynamics?

(a)

Energy can be transmitted from one system to other in many forms.

(b)

Energy transformation results in reduction of free energy.

(c)

Energy can neither be created nor destroyed.

(d)

Energy in the universe is constant.

If 1200 Joules of solar energy is trapped by producers, how much of Joules of energy does the organism in the third trophic level will receive?

(a)

120 Joules

(b)

12 Joules

(c)

1.2 Joules

(d)

0.12 Joules

Which of the following food chain is in improper sequence?

(a)

Plants ~ snake ~ rabbit ~ lizard ~ eagle

(b)

Plants ~ grasshopper ~ lizard ~ snake ~ hawk

(c)

Plants ~ lizard ~ rabbit ~ snake ~ eagle

(d)

Plants ~ rabbit ~ lizard ~ hawk ~ eagle

Which one of the following is not a functional unit of an ecosystem?

(a)

Productivity

(b)

Stratification

(c)

Energy flow

(d)

Decomposition

The upright pyramid is not a feature of _______

(a)

Pond ecosystem

(b)

Grassland ecosystem

(c)

Forest ecosystem

(d)

Terminal ecosystem

The type of ecosystem with maximum net primary productivity is________

(a)

Desert ecosystem

(b)

Deciduous forest ecosystem

(c)

Tropical rain forest ecosystem

(d)

Grassland ecosystem

Pyramid of numbers with broad base indicates ______

(a)

High population of old individuals

(b)

Low population of young individuals

(c)

High population of young individuals

(d)

Low population of old individuals

Spindle shaped pyramid is a character of ______

(a)

Pond ecosystem

(b)

Grassland ecosystem

(c)

Parasite ecosystem

(d)

Forest ecosystem