Miscellaneous-Mixed Worksheet-4

Miscellaneous Worksheet-4

1. Arthropods have _____ circulatory system.

(a) an open        (b) a closed

2. Which of the following gases are responsible for creating acid rain?

(a) carbon monoxide

(b) Particulates

(c) nitrogen oxides

3. Non-vascular plants are not reproduced by seeds. How do they reproduce?

(a) By spores     (b) By fungus    (c) By mold       (d) By moss

4. What are vascular plants?

(a) Plants that have thorns.

(b) Plants that have tubelike structures that carry water, nutrients, and other substances.

(c) Plants that do not need water.

(d) All of these.

5. Arachnids always have ____ legs at some point in their life cycle.

(a) Four

(b) Six                (c) Eight             (d) ten

6. Which of the following choices must velocity have?

(a) Mass                                         (b) Acceleration

(c) reference direction                (d) Weight

7. Molten rock found on the surface of the earth is known as _____.

(a) a volcano     (b) Lava             (c) Magma        (d) ash

8. A caldera is

(a) a circular depression

(b) a funnel shaped opening

(c) the magma chamber below the volcano

9. What is a cell?

(a) An animal.

(b) A micrcoscopic structure that is the basic unit of all living things.

(c) A small room.

(d) A small structure that creates living things.

10. A volcanic crater is

(a) the bottom portion of the volcano.

(b) a location on the earth where a volcano may be found.

(c) a type of pyroclastic material erupted from volcanoes.

(d) a funnel shaped opening for the central vent of the volcano.

Answer Key:

1. (a)
2. (c)
3. (a)
4. (b)
5. (c)
6. (c)
7. (b)
8. (a)
9. (b)
10. (d)