Human Ecology and Family Science Class 11. We covered all the Human Ecology and Family Science Class 11 in this post for free so that you can practice well for the exam.
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Human Ecology and Family Science Class 11 Objective for Students
Trophic level I includes
(A) Herbivorous animals
(B) Carnivorous animals
(C) Omnivorous animals
(D) Green plants
Option d – Green plants
Which one of the following pairs is correctly matched?
(A) Mountain: Most stable ecosystem
(B) Abiotic component: Bacteria
(C) Green plants: Ecosystem
(D) Rainfall: Global warming
Option c – Green plants: Ecosystem
The correct order in the food chain of the various components of a terrestrial grass ecosystem is
(A) Grass, grasshopper, frog, snake
(B) Grass, grasshopper, snake, frog
(C) Grasshopper, frog, grass, snake
(D) Grasshopper, snake, frog, grass
Option a – Grass, grasshopper, frog, snake
Which of the following constitutes a food chain?
(A) Grass, wheat, and mango
(B) Grass, goat, and human
(C) Goat, cow, and elephant
(D) Grass, fish, and goat
Option b – Grass, goat, and human
Biomass Pyramid is reversed in which type of ecosystem?
(A) Forest
(B) Pond
(C) Grassland
(D) Drylands
Option b – Pond
Which one of the following organisms is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?
(A) Grasshopper
(B) Toad
(C) Snake
(D) Cattle
Option c – Snake
(A) the transfer of energy as food from one tropic level to another
(B) the transfer of heat from one matter to another
(C) the transfer of birds from one zone to another
(D) the transfer of water from one zone to another
In the marine environment, the main primary producers are
(A) Phytoplanktons
(B) Seaweeds
(C) Marine angiosperms
(D) Aquatic bryophytes
Option a – Phytoplanktons
Among the biotic components of the ecosystem, the producer system is
(A) cow
(B) peacock
(C) tiger
(D) green plants
Option d – green plants
We covered all the human ecology and family science class 11 above in this post for free so that you can practice well for the exam.
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