More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

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

Question # 1

250 years age, the population of world was approximately ------------ million.

Choose an answer

400

500

600

700

Skip

Question # 2

The materials flow from one trophic level to the next by means of:

Choose an answer

Food chains

Food web

Both a & b

None of these

Skip

Question # 3

The producers of ecosystem are:

Choose an answer

fungi

bacteria

green plants

man

Skip

Question # 4

Ectoparasite is

Choose an answer

Ascaris

Amoeba

Leech

Plasmodium

Skip

Question # 5

Which one of the following is a tertiary consumer:

Choose an answer

Owl

Larwa of butterfly

Deer

Rabbit

Skip

Question # 6

In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.

Choose an answer

Minerals, energy

Energy minerals

Oxygen, Energy

Glucose, water

Skip

Question # 7

In the food chain"grass......rabbit....... fox..............bear...........mushroom", how many types of decomposers are present"?

Choose an answer

Skip

Question # 8

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

Choose an answer

Oxygen

Carbon

Hydrogen

Nitrogen

Skip

Question # 9

Decomposers are.

Choose an answer

Algae and bacteria

Mosses

Animal

Bacteria and Fungi

Skip

Question # 10

Largest unit of Ecology is:

Choose an answer

Species

Community

Ecosystem

Biosphere

Skip

Question # 11

The populations that live in a habitat and interact with one another are collectively called.

Choose an answer

Biosphere

Ecosystem

Community

species

Skip

Question # 12

Endoparasite is.

Choose an answer

Leech

Lices

Ascaris

Mosquito

Skip

Question # 13

An example of Endoparasite.

Choose an answer

Mosquitoes

Leech

Plasmodium

Lice

Skip

Back