Question # 1

The major process that brings carbon from atmosphere into living world is:

Choose an answer

Photosynthesis

Respiration

Both a and b

None of these

Organisms in the ecosystem that are responisble for recycling of plant and animal wastes are:

Choose an answer

Producers

Consumers

Decomposers

Compititors

Which of the following is the abiotic component of an ecosystem?

Choose an answer

producers

Herbivores

Carnivorse

Oxygen

At the end of a long food chian the energy will be.

Choose an answer

Will more

As same as at start

Will less

Zero

During nitrogen fixation nitrogen is converted into:

Choose an answer

Nitrates

nitrates

ammonia

all to these

An examples of carnivore plant is.

Choose an answer

Rose plant

Mosses

Pitcher plant

Ferns

R-3 means.

Choose an answer

Less use

Reuse

Recycle

Refuse

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

Choose an answer

Biosphere

Ecosystem

Community

Species

In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:

Choose an answer

grass

grasshopper

sparrow

hawk

A community and its biotic components is known as:

Choose an answer

Biosphere

Habitat

Ecosystem

Food web

Which one of the following is not an endoparasite?

Choose an answer

Ascaris

Plasmodium

Mosquito

Entamoeba

The utilization of nitrates by organisms is called.

Choose an answer

Nitrification

Ammonification

Assimilation

Denitrification

------------ is use for the cleaning of sewage water.

Choose an answer

Bacteria

Virus

Algae

Fungi

More Classes

Other Links

Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer