wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

GRADE 8 BIOLOGY(ECOSYSTEM)

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

The term 'ecosystem' was coined by

a)

R H whittakar

b)

Charles Darwin

c)

Sir Arthur Tansely

d)

Lord Rutherford

2.

Organism that make their own food are called as _______.

a)

Heterotrophs

b)

Carnivores

c)

Herbivores

d)

Autotrophs

3.

Heterotrophs do not contain _____________.

a)

primary consumers

b)

producers

c)

secondary consumers

d)

top carnivores

4.

Animals that eat dead animals are called as __________.

a)

decomposers

b)

scavengers

c)

top carnivores

d)

herbivores

5.

Grasshoppers are

a)

carnivores

b)

herbivores

c)

decomposers

d)

scavengers

6.

A tarantula is a _____________.

a)

herbivore

b)

producer

c)

secondary consumer

d)

scavenger

7.

Mushrooms are ___________.

a)

scavengers

b)

autotrophs

c)

herbivores

d)

decomposers

8.

what type of component is Soil?

a)

Biotic

b)

Abiotic

c)

physical factor

d)

chemical factor

9.

Soil provides the following __________.

a)

food

b)

air

c)

shelter

d)

water

10.

Nitrogen is converted to _________ in the soil by certain microorganisms.

a)

ammonia

b)

urea

c)

nitrates

d)

gas

11.

Madar and Hiptage seeds are pollinated by ________?

a)

air

b)

insects

c)

water

d)

soil

12.

What type of ecosystem is a pond?

a)

artificial

b)

natural

c)

synthetic

d)

aquatic

13.

What type of ecosystem is a garden?

a)

natural

b)

artificial

c)

semi natural

d)

synthetic

14.

What type of interdependence is exhibited by Rhizobium?

a)

Parasitism

b)

Predation

c)

Symbiosis

d)

Decomposition

15.

The parasite tapeworm lives in the ___________.

a)

Stomach

b)

Brain

c)

Blood

d)

Intestine

16.

Cuscuta is a ___________.

a)

Host

b)

Parasite

c)

Predator

d)

Symbiotic cmponent

17.

Which of the following are predators?

a)

Lion

b)

Bacteria

c)

Hyena

d)

Frog

18.

Each level in a food chain is called as______.

a)

Food web

b)

Trophic level

c)

Energy level

d)

interdependence

19.

An ecological pyramid has the following components

a)

number of organisms

b)

biomass

c)

energy

d)

relationship of the organism

20.

Rainfall in a tropical evergreen forest is

a)

75 cm to 150cm

b)

20cm to 60cm

c)

more than 200 cm

d)

75cm to 200 cm

21.

Trees that shed their leaves in the dry season are found in which forest?

a)

Coniferous forests

b)

Temperate Deciduous Forest

c)

Tropical Evergreen Forest

d)

Tropical Deciduous Forest

22.

Which one of these trees are found in the cool and rainy regions?

a)

Sheesham

b)

Birch

c)

Pinus

d)

Teak

23.

In which of the following forests are the bears found?

a)

Coniferous Forests

b)

Temperate Deciduous Forests

c)

Tropical Deciduous Forests

d)

Tropical Evergreen Forests

24.

Gir forest is famous for its ______________.

a)

Nilgai

b)

Leopard

c)

Jackal

d)

Asiatic Lions

25.

The best place to see the Rhinoceros are _____________.

a)

Pench

b)

Jim Corbett National Park

c)

Jaladpura Sanctuary

d)

Gir Forest