Question Library — KalmiPrep by Kalmitech

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

The reagent used in testing for carbon (IV) oxide is

A

copper sulphate solution

B

lime water

C

hydrochloric acid

D

sodium hydroxide solution

medium Difficulty

Biology WAEC / WASSCE 2020 Basic Ecological Concepts, Ecosystems & Biomes

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below; Organism Number in the habitat habitat W habitat Y Plankton 126 0 Antelope 0 51 Water flea 10 0 Tilapia 23 0 Lion 0 6 Frog 6 0 Grass 0 250 What type of habitat is W?

A

Rainforest

B

Pond

C

Desert

D

Ocean

medium Difficulty

Biology WAEC / WASSCE 2020 Basic Ecological Concepts, Ecosystems & Biomes

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below; Organism Number in the habitat habitat W habitat Y Plankton 126 0 Antelope 0 51 Water flea 10 0 Tilapia 23 0 Lion 0 6 Frog 6 0 Grass 0 250 Which of the following statements about habitat W is correct? The

A

absence of lions and antelopes shows that the habitat is terrestrial

B

presence of Tilapia and planktons shows that the habitat is not aquatic

C

type of organisms present indicate that habitat is aquatic

D

absence of grasses indicates that the habitat is terrestrial

medium Difficulty

Biology WAEC / WASSCE 2020 Basic Ecological Concepts, Ecosystems & Biomes

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below; Organism Number in the habitat habitat W habitat Y Plankton 126 0 Antelope 0 51 Water flea 10 0 Tilapia 23 0 Lion 0 6 Frog 6 0 Grass 0 250 The number of lions and antelops in habitat Y shows that the lion

A

is the prey while the antelope is the predator

B

is the predator while the antelope is the prey

C

and the antelope are preys to each other

D

and the antelopes are predators

medium Difficulty

Biology WAEC / WASSCE 2020 Basic Ecological Concepts, Ecosystems & Biomes

The diagram above illustrates an ecological instrument. Study it and answer the question below; A disadvantage of the abiotic factor measured by the instrument is that it

Attached Figure / Diagram

A

is an agent of pollination

B

is necessary for germination

C

leads to flooding when in excess

D

is used for irrigation

medium Difficulty

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

The diagram below is an illustration of an ecological instrument. Study it an answer the question below; When the instrument is in use, it is usually?

A

placed slightly above soil level

B

placed on a table

C

suspended in air

D

suspended to moving water

medium Difficulty

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

Soil with the finest texture is?

A

silt

B

clay

C

sand

D

gravel

medium Difficulty

Biology WAEC / WASSCE 2020 Basic Ecological Concepts, Ecosystems & Biomes

The position occupied by an organism in food chain is the

A

energy level

B

niche

C

trophic level

D

biomass

medium Difficulty

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

The depletion of the ozone layer will result in the earth surface receiving more

A

gamma rays

B

infra-red rays

C

ultraviolet rays

D

X-rays

medium Difficulty

Biology WAEC / WASSCE 2020 Adaptation & Evolution

Use the list of insects below to answer the question below; I. Cotton stainer II. Honeybee III. Termite IV. Weevil The insects whose activities are both beneficial and harmful to humans are;

A

I and II

B

II and III

C

II and IV

D

III and IV

medium Difficulty

Biology WAEC / WASSCE 2020 Adaptation & Evolution

Use the list of insects below to answer the question below; I. Cotton stainer II. Honeybee III. Termite IV. Weevil Which of the insects destroys grains?

A

I

B

II

C

III

D

IV

medium Difficulty

Biology WAEC / WASSCE 2020 Population Ecology, Habitats & Conservation

Conservation of natural resources does not

A

maintain a balanced ecosystem

B

preserve the beauty of nature

C

attract tourists

D

threaten the survival of species

medium Difficulty

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

A company was prohibited from producing bags made from natural leopard skin. This is an attempt to conserve

A

land

B

water

C

wildlife

D

minerals

medium Difficulty

Biology WAEC / WASSCE 2020 Variety of Organisms & Classification of Living Things

Which of the following substances is not a conservable natural resource?

A

Mineral

B

Air

C

Soil

D

Water

medium Difficulty

Biology WAEC / WASSCE 2020 Variation & Genetics (Heredity)

A child that can receive blood donation from anybody belongs to the blood group

A

O

B

A

C

B

D

AB

medium Difficulty