Question # 1

One of these cycles is also nutrients cycles.

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Biogeochemical cycles

Carbon cycles

Water cycles

Nitrogen cycles

The current level of urbanization in Pakistan is about_____ which is not high by global standards.

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23%

32%

36%

39%

R-2 means.

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Reduce

Recycle

Renewable

Reuse

The producers of ecosystem are:

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fungi

bacteria

green plants

man

R-3 means.

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Less use

Reuse

Recycle

Refuse

An example of carnivores plant is:

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Mosses

Ferns

Rose Plant

Sundew

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

The populations that live in a habitat nad interact with one another are collectively called:

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Biosphere

Ecosystem

Community

Species

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

_________ atom is the principal building block of many kind of biomolecules.

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Oxygen

Carbon

Hydrogen

Nitrogen

The nitrate forming bacteria are.

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Rhizobium

Nitrosomonas

Nitrobacter

Cocci

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

It is an example of endoparasite:

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mosquitoes

leeches

lice

plasmodium

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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers

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