1591. Which of the following statement is incorrect regarding ecological pyramids

A. The pyramid of energy is inverted in ocean ecosystem
B. The pyramid of biomass is inverted in aquatic ecosystem
C. The pyramid of numbers is upright in grass land ecosystem
D. The pyramid of biomass is upright in grass land ecosystem
✅ The correct answer is option A.
The pyramid of energy is inverted in ocean ecosystem this statement is incorrect regarding ecological pyramids.

1595. If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first?

A. Some species will be extincted
B. Population and ecological imbalance will rise up
C. Energy crisis will occur
D. Rest half forests will maintain this imbalance
✅ The correct answer is option A.
Some species will be extincted.

1596. What is the animal symbol of W. W. F (World Wildlife Fund) ?

A. Red Panda
B. Giant Panda
C. Tiger
D. Kangaroo
✅ The correct answer is option B.
Adored around the world, the distinctive black and white animal is a national treasure in China and has been the symbol of WWF since its formation in 1961. While its numbers are slowly increasing, the giant panda remains one of the rarest and most endangered bears in the world.

1597. Industrial melanism is an example of

A. protective resemblance with the surrounding
B. drug resistance
C. defensive adaptation of skin against UV radiations
D. darkening of skin due to industries
✅ The correct answer is option D.
Industrial melanism refers to the evolution of dark body colours in animal species that live in habitats blackened by industrial soot. The phenomenon has been documented in numerous species that hide from predators by blending in with their backgrounds. Peppered moths provide one example.

1600. Which of the following is a nonrenewable energy resource?

A. Solar
B. Methane
C. Hydroelectric
D. Coal
✅ The correct answer is option D.
Most non-renewable energy sources are fossil fuels: coal, petroleum, and natural gas. Carbon is the main element in fossil fuels. For this reason, the time period that fossil fuels formed (about 360-300 million years ago) is called the Carboniferous Period.