Environment & Ecology - MOST IMPORTANT HP PCS Previous Year Questions

$\displaystyle 2020$

$\displaystyle 2025$

$\displaystyle 2030$

$\displaystyle 2050$

The development that meets the needs of the present without compromising the ability of future generations to meet their own needs

Economic development refers to the flow of goods and services in the economy for a long period of time only

It is practice of developing land and construction projects in a manner that reduces their impact on the environment by allowing them to create energy efficient models of self- sufficiency

To conserve natural resources and to develop alternate sources of power while reducing pollution and harm to the environment

($\displaystyle 1$) and ($\displaystyle 2$) only

($\displaystyle 1$) and ($\displaystyle 4$) only

($\displaystyle 2$) and ($\displaystyle 4$) only

($\displaystyle 2$) and ($\displaystyle 3$) only

Both Statement I and Statement II are correct

Both Statement I and Statement II are incorrect

Statement I is correct and Statement II in incorrect

Statement I is incorrect and Statement II is correct

The earth and its atmosphere which is inhabited by living organisms

All living organisms on earth

All the plants on earth

All the animals on earth

$\displaystyle 12$

$\displaystyle 18$

$\displaystyle 26$

$\displaystyle 32$

Soil

Air

Animal

Water

Environmental factors only

Effects of plants on environment

Plant adaptation

Relationship between organism and their environment

$\displaystyle 21.04$

$\displaystyle 21.54$

$\displaystyle 20.54$

$\displaystyle 20.04$

$\displaystyle 1988$

$\displaystyle 1990$

$\displaystyle 1994$

$\displaystyle 1996$

solar energy

vegetation

producers

biomass

Both Statement $\displaystyle 1$ and Statement $\displaystyle 2$ are correct

Both Statement $\displaystyle 1$ and Statement $\displaystyle 2$ are incorrect

Statement $\displaystyle 1$ is correct and Statement $\displaystyle 2$ is incorrect

Statement $\displaystyle 1$ is incorrect and Statement $\displaystyle 2$ is correct

raising of environmental issues by man

growth of organism due to food consumption

increase in population size

increase in concentration of non-biodegradable pollutants

Ecosystem goods

Ecosystem services

Ecosystem-based tourism

Ecosystem-dependent tribes

Mixed carbon gases

Mixed chlorofluoro hydrocarbons

Mixed sulphur gases

Free gases

Ferns and Cycoas

Algae and liverworts

Lichens and mosses

Neem tree and Eichhornia

Diesel

Coal

Hydrogen

Kerosene

Moderately polluting-orange category

Not polluting - white category

Most polluting - red category

None of these

$\displaystyle 30$-$\displaystyle 35$

$\displaystyle 60$-$\displaystyle 80$

$\displaystyle 35$-$\displaystyle 60$

$\displaystyle 70$-$\displaystyle 80$

$\displaystyle 1973$

$\displaystyle 1975$

$\displaystyle 1972$

$\displaystyle 1980$