Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 13

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Question 1
1 / -0

Use the following information to answer the next question.

Both Amphibians and reptiles belong to the invertebrate group.

Reptiles are different from amphibians because reptiles

A
have scales on their body

B
are cold bloodedness

C
have lungs

D
lay eggs

Solution

Reptiles have scales on their body while body amphibians do not have scales on their body.

The correct answer is A.

Why alternative B is wrong:

Both amphibians and reptiles are cold-blooded. Therefore, this alternative is incorrect.

Why alternative C is wrong:

Both amphibians and reptiles breathe through lungs. Therefore, this alternative is incorrect.

Why alternative D is wrong:

Both amphibians and reptiles lay eggs. Therefore, this alternative is incorrect.
Question 2
1 / -0

Use the following information to answer the next question.

Invertebrates are organisms that do nothave a backbone.

Which of the following groups of animals belong to the same invertebrate
sub-group?

A
Crab, sea mouse, snail

B
Spider, scorpion, leech

C
Prawn, centipede, bed bug

D
Octopus, apple snail, earthworm

Solution

Prawns, centipedes, and bed bugs belong to the same invertebrate sub-group, and are all arthropods.

The correct answer is C.

Why alternative A is wrong:

Crabs, sea mice, and snails are arthropods, segmented worms, and mollusks respectively. Hence, they belong to different invertebrate
sub-groups.

Why alternative B is wrong:

Spiders and scorpions are arthropods, while leeches are segmented worms. Hence, they belong to different invertebrate sub-groups.

Why alternative D is wrong:

Octopuses and apple snails are mollusks, while earthworms are segmented worms. Hence, they belong to different invertebrate sub-groups.
Question 3
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Use the following information to answer the next question.

Insects are a group of arthropods that have a pair of wings in the thorax and a pair of sensory antennae.

Which of the following arthropods is not an insect?

A
Butterfly

B
Mosquito

C
Housefly

D
Spider

Solution

Spiders do not have wings and antennae. Hence, they are not insects.

The correct answer is D.

Why alternatives A, B and C are wrong:

Butterflies, mosquitoes, and houseflies have wings and antennae. Therefore, they are insects. Hence, alternatives A, B, and C are incorrect.
Question 4
1 / -0

Use the following information to answer the next question.

Fishes are water vertebrates which have scales on their skin, and fins to swim in water. They breathe in water with the help of gills.

Which of the following creatures is not a fish?

A
Shark

B
Sea horse

C
Crocodiles

D
Electric ray

Solution

Crocodiles are thick skinned reptiles. While crocodiles have scales on their body, they breathe with the help of lungs. Like most reptiles, they lay eggs to hatch their young ones. Therefore, crocodiles are not characterized as fish.

The correct answer is C.

Why alternative A is wrong:

The shark is a fish because it has scales, fins and gills. Therefore, this alternative is incorrect.

Why alternative B is wrong:

Sea horses have scales, fins and gills. Therefore, this alternative is incorrect.

Why alternative D is wrong:

The electric ray a fish because it has scales, fins and gills. Therefore, this alternative is incorrect.
Question 5
1 / -0

Use the following information to answer the next question.

Frogs, toads and salamanders are all amphibians.

Which of the following characteristics in absent in amphibians?

A
Transparent eggs

B
Mammary glands

C
Moist, slimy skin

D
Cold bloodedness

Solution

Amphibians do not have mammary glands.

The correct answer is B.

Why alternative A is wrong:

Amphibians lay transparent and jelly-like eggs, usually in water. Therefore, this alternative is incorrect.

Why alternative C is wrong:

Amphibians have a moist and slimy skin. Therefore, this alternative is incorrect.

Why alternative D is wrong:

Amphibians cannot maintain their body temperature according to the surrounding environment. They are cold blooded. Therefore, this alternative is incorrect.