BSSC Inter Level · General Science
Environment and Ecology
Ecosystem, food chains, biodiversity and pollution.
Test yourself on Environment and Ecology
5 practice questions for BSSC Inter Level with instant answers — no signup, ~3 minutes.
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Take a full mock →Q1 · Environment and Ecology · EASY
In a grassland ecosystem, grass is eaten by grasshoppers, grasshoppers are eaten by frogs, frogs are eaten by snakes, and snakes are eaten by eagles. What is the trophic level of the snake in this food chain?
Q2 · Environment and Ecology · MEDIUM
Which of the following is a non-biodegradable pollutant that accumulates in the food chain and causes serious health problems in humans and animals?
Q3 · Environment and Ecology · MEDIUM
A forest has 500 species of plants, 200 species of birds, 150 species of insects, and 50 species of mammals. This variety of different species in the forest is an example of:
Q4 · Environment and Ecology · HARD
In an ecosystem, only 10% of energy is transferred from one trophic level to the next. If plants (producers) capture 10,000 joules of solar energy, how much energy will be available to secondary consumers (carnivores that eat herbivores)?
Q5 · Environment and Ecology · HARD
Which of the following organisms are considered primary producers in an aquatic ecosystem?