In which continent the hottest spots have been marked?
(A) Asia
(B) Africa
(C) South America
(D) North America
The hottest spots in the world are in arid climates. The temperature in the arid Death Valley National Park, California, U.S., reached 56.7° Celsius (134° Fahrenheit) on July 10, 1913—the highest temperature ever recorded.
Which of the following is an example of an artificial ecosystem?
(A) crop field
(B) Forest
(C) Lake
(D) Pond
The crop field is an artificial ecosystem.
Which of the following is considered to be the purest form of natural water (distilled water) free from impurities?
(A) Well water
(B) Spring water
(C) River water
(D) Rain water
Rainwater is the purest form of natural water. It is formed naturally by evaporation followed by condensation of water vapour.
______ includes all non-living components, such as air, cloud, dust, land, mountains, rivers, temperature, humidity, water, water vapour, sand, etc.
(A) Biotic environment
(B) Abiotic environment
(C) Artificial environment
(D) Healthy environment
Abiotic components are non-living factors in the environment which affect ecosystems like temperature, light, air, soil etc.
Plants release water into the air by the process of ______.
(A) photoperiodism
(B) transpiration
(C) photosynthesis
(D) tropism
1. Plants release water into the air through a process called transpiration.
2. Transpiration is a natural process, by which plants expel water from their bodies in the form of vapor.
3. The process of transpiration takes place through small holes in the leaves, which are called stomata.
3. Transpiration is essential for plants, as it helps keep plants cool and transport nutrients from the roots to the leaves needed to make food.
Below are a few statements given about afforestation.
A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Which of the above statements is/are correct?
(A) Both A & B are incorrect
(B) Only B
(C) Both A & B
(D) Only A
The following statements below are correct about afforestation.
A. Afforestation could prevent flooding.
B. Afforestation can balance our ecosystem.
Which continent does not have a single hot spot?
(A) Antarctica
(B) South America
(C) Europe
(D) Australia
Antarctica is the coldest place on Earth.
What is called the circle of organisms on the surface of the earth including water, air, and land?
(A) Lithosphere
(B) biosphere
(C) hydrosphere
(D) Atmosphere
The biosphere is a global ecosystem made up of living organisms (biota) and the nonliving (abiotic) factors that provide them with energy and nutrients. The biosphere is a narrow zone on the surface of the earth where soil, water, and air combine to sustain life.
The process by which people adapt to and modify their environment to meet their needs is known as:
(A) assimilation
(B) acculturation
(C) diffusion
(D) adaptation
Evolutionary adaptation, or simply adaptation, is the adjustment of organisms to their environment in order to improve their chances at survival in that environment.
I.U.C.N. In which field is the organization engaged?
(A) water conservation
(B) animal protection
(C) Soil Conservation
(D) Soil Conservation
IUCN works to conserve coastal, marine and polar ecosystems, and the many benefits they provide for humanity. IUCN works to protect ecosystems, promote the sustainable use of landscapes and advance justice and equity in conservation.
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