shahzaib hassan



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Subject
Country Pakistan
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shahzaib hassan BIOLOGY   -   Environmental Science

Pakistan is divided into ________________ agro-ecological zones.

Pakistan has 10 distinct agro-ecological zones based on climate, soil, and vegetation.
shahzaib hassan BIOLOGY   -   Environmental Science

Which gas is produced in open dumps from the anaerobic decomposition of biodegradable waste?

Methane is a potent greenhouse gas produced by anaerobic decomposition of organic material.
shahzaib hassan BIOLOGY   -   Environmental Science

What is the order of waste management hierarchy, from most to least favored?

The hierarchy emphasizes minimizing waste generation and maximizing reuse and recycling.
shahzaib hassan BIOLOGY   -   Environmental Science

______________________ is the increasing concentration of toxic substances in organisms as trophic levels increase in a food chain or food web.

Bio-magnification refers to the increasing concentration of toxins at higher trophic levels.
shahzaib hassan BIOLOGY   -   Environmental Science

An individual may die within 2-10 days after exposure to 500 ppm of the following air pollutant:

Exposure to high levels of sulfur dioxide (SO2) can be fatal within a few days.
shahzaib hassan BIOLOGY   -   Environmental Science

Mangrove forests in Asia are largely concentrated in:

Indonesia has the largest area of mangrove forests in Asia.
shahzaib hassan BIOLOGY   -   Environmental Science

________________ often serve as an indicator for a threatened ecosystem.

Endangered species are often used as indicators of the health of an ecosystem.
shahzaib hassan BIOLOGY   -   Environmental Science

A mutual relationship between two organisms, where both of them are benefiting from watching the other is called:

Mutualism is a type of symbiosis where both organisms benefit from the relationship.
shahzaib hassan BIOLOGY   -   Environmental Science

The "Ramsar Convention" is an international treaty for the conservation and protection of:

The Ramsar Convention focuses on the conservation and sustainable use of wetlands.
shahzaib hassan BIOLOGY   -   Environmental Science

NEQ was approved on:

NEQ stands for National Environmental Quality, and it was approved in 1993.
shahzaib hassan BIOLOGY   -   Environmental Science

An association has been found between exposure to ____________________ by the inhalation route and lung cancer.

Chromium, particularly in its hexavalent form, is a known carcinogen when inhaled.
shahzaib hassan BIOLOGY   -   Environmental Science

The pH of the atmosphere is:

The atmosphere generally has a neutral pH, though localized changes can occur.
shahzaib hassan BIOLOGY   -   Environmental Science

Of the following agents, the one that would not favor conversion of sulfur dioxide to sulfate species in the atmosphere is:

Ammonia does not favor the conversion of sulfur dioxide to sulfate species.
shahzaib hassan BIOLOGY   -   Environmental Science

Biotic component of the environment does not include:

The soil system is an abiotic component of the environment, not biotic.
shahzaib hassan BIOLOGY   -   Environmental Science

The result of acid deposition is:

Acid deposition damages forests and aquatic ecosystems by lowering pH levels.
shahzaib hassan BIOLOGY   -   Environmental Science

The greenhouse effect in the atmosphere is produced due to:

The greenhouse effect is caused by gases in the atmosphere trapping heat.
shahzaib hassan BIOLOGY   -   Environmental Science

Acid rain is a result of:

Acid rain occurs when sulfur dioxide (SO2) and nitrogen oxides (NO2) are released into the atmosphere.
shahzaib hassan BIOLOGY   -   Environmental Science

The set of ecosystems is called:

A biome is a large area characterized by its vegetation, soil, climate, and wildlife.
shahzaib hassan BIOLOGY   -   Environmental Science

What percentage of oxygen and carbon dioxide exists in the ecosystem?

The Earth's atmosphere contains approximately 20.95% oxygen and 0.04% carbon dioxide.
shahzaib hassan BIOLOGY   -   Environmental Science

A wide variety of living organisms is called:

Biodiversity refers to the variety and variability of life on Earth.