Diversity in Living Organisms Test

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Diversity in Living Organisms Test - 14

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Weekly Quiz Competition

Question 1
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Use the following information to answer the next question.

Some common characteristics of reptiles

1. They have scales on their bodies

2. They have clawed digits

3. They respire through lungs

Which of the following pairs of organisms represents reptiles?

A
Crab and prawn

B
Salmon and trout

C
Tortoise and lizard

D
Salamander and toad

Solution

Tortoise and lizard are reptiles. They have clawed digits and scales on their bodies. They respire through lungs.

The correct answer is C.

Why alternative A is wrong:

Crab and prawn are arthropods.

Why alternative B is wrong:

Salmon and trout are fishes.

Why alternative D is wrong:

Salamander and toad are amphibians.
Question 2
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Ferns, mosses, and pines are different groups of plants. Which of the following characteristics is common among them?

A
All of them have roots

B
All of them have leaves

C
All of them do not produce seeds

D
All of them do not produce flowers

Solution

Ferns, mosses, and pines are plants that do not produce flowers.

The correct answer is D.

Why alternative A is wrong:

Only pines and ferns have roots. True roots are absent in mosses.

Why alternative B is wrong:

Only pines and ferns have leaves.

Why alternative C is wrong:

Only pines produce seeds.

Question 3

1 / -0

Use the following information to answer the next question.

Mollusks are soft-bodied animals that do not have limbs. The body of a mollusk is divided into head, visceral mass, and muscular foot. Most mollusks have a protective shell.

Which of the following animals is not a mollusk?

Snail

Clam

Coral

Octopus

Solution

Corals are fixed to the substratum and do not have a muscular foot. They do not have a protective shell and their bodies are covered by a hard skeleton. They are not mollusks. They are cnidarians. Other members of cnidarians include anemones and jelly fish.

The correct answer is C.

Why alternatives A, B and D are wrong:

Snails, clams, and octopuses are mollusks. Hence, alternatives A, B, and D are incorrect.

Question 4
1 / -0

Use the following information to answer the next question.

Earthworms belong to the category of segmented worms.

Which of the following features is not shown by a segmented worm?

A
Soft body

B
Absence of legs

C
Presence of a pair of wings

D
Presence of organs in different segments

Solution

Segmented worms do not have wings. Hence, the feature that is not shown by a segmented worm is the presence of a pair of wings.

The correct answer is C.

Why alternatives A, B and D are wrong:

Segmented worms have soft bodies and organs present in different segments. Also, they are characterized by an absence of legs. The features mentioned in alternatives A, B, and D are shown by segmented worms. Hence, these alternatives are incorrect.