Biology Questions and Answers – Animals – Organs and Organ System – 4

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This set of Zoology Assessment Questions focuses on “Animals – Organs and Organ System – 4”.

1. Organs organize to form ______
a) organisms
b) tissues
c) cells
d) organ systems
View Answer

Answer: d
Explanation: Organs organize to form organ systems. These organ systems in turn organize to form organisms. Organs are made of tissues. Tissues are made of cells.
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2. Morphology is the study of _____
a) visible features
b) internal features
c) facial features
d) genetic features
View Answer

Answer: a
Explanation: Morphology is the study of form and structure. It is the study of features that are external and visible. Internal features and genetic features refer to the features which cannot be seen by the naked eye and are thus not included in morphological studies.

3. Earthworm is an invertebrate.
a) True
b) False
View Answer

Answer: a
Explanation: Earthworm is a terrestrial annelid. It does not have a backbone or a bony skeleton. Hence, it is an invertebrate. It has a long cylindrical body which is divided into several segments.
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4. Which of the following animals is an invertebrate?
a) Lizard
b) Frog
c) Cockroach
d) Snake
View Answer

Answer: c
Explanation: Cockroach is an invertebrate insect. It does not have a bony skeleton or a backbone. Lizard, frog and snake are reptiles which are vertebrates. They possess a bony skeleton. It belongs to the genus Periplaneta.

5. Select the correct order.
a) Cells, Tissues, Organs, Organ systems
b) Tissues, Cells, Organs, organ systems
c) Organs, Organ systems, Tissues, Cells
d) Cells, Tissues, Organ system, Organs
View Answer

Answer: a
Explanation: Various cells make up tissues. Tissues organize to form organs, which organize to form organ systems. This system of organization of the human body is essential for the efficient and proper functioning of the various specialized cells for the purpose of survival.
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6. Organization helps in the efficient and coordinated working of different types of cells. True or false?
a) True
b) False
View Answer

Answer: a
Explanation: Organization is needed for the efficient output of cells and organs. This is needed for survival. Various cells with specialized activities form tissues. Various tissues together form organs. These organs form organ systems, which in turn form a functioning body.

7. What types of tissues does the heart contain?
a) Muscular, epithelial
b) Connective, muscular, neural
c) Connective, muscular, neural, epithelial
d) Connective, muscular, epithelial
View Answer

Answer: c
Explanation: The heart contains all four types of animal tissue. It contains connective, neural, muscular and epithelial tissue. It is one of the most essential organs of the human body and the center of the circulatory system. The various types of tissues making up the heart contribute to its efficient functioning.
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Sanfoundry Global Education & Learning Series – Biology – Class 11.

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