Animal Kingdom
Question
Question 1 : Which among the following is not the basis of classification in Animalia?
1. Segmentation
2. Symmetry
3. Mode of nutrition
4. Levels of organization
Answer
Correct Anaswer : 4
Explanation:
Levels of organization, symmetry, arrangement of cells in embryo, presence of coelom, segmentation and presence of notochord are the basis for the classification in Animalia. Since all the animals are heterotrophic, there is no need to classify Animalia based on their mode of nutrition.
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Question 2 : Which among the following is incorrect about levels of organization in animals?
1. Cells are organized in different ways to form the basic body in animals
2. Cellular level of organization refers to the cluster of the cells that combine to form an animal body
3. Tissue level of organization refers to the way tissues combine to form organs which in turn form animal body
4. In organ system level of organization, various organs of the system work coordinately to achieve a specific function
Answer
Correct Anaswer : 3
Explanation:
Tissue level of organization refers to the grouping of cells to form tissues that combine to form an animal body. There are no organs present in this level of organization. Example: Platyhelmenthes.
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Question 3 : Which among the following is not the basis of classification in Animalia?
1. Segmentation
2. Symmetry
3. Mode of nutrition
4. Levels of organization
Answer
Correct Anaswer : 4
Explanation:
Levels of organization, symmetry, arrangement of cells in embryo, presence of coelom, segmentation and presence of notochord are the basis for the classification in Animalia. Since all the animals are heterotrophic, there is no need to classify Animalia based on their mode of nutrition.
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Question 4 : Which among the following is incorrect about cellular level of organization?
1. A group of cells combine to form the whole body
2. Each cell carries over a specific function
3. This level of organization is also called as cell aggregate of body plan
4. Hydra exhibits this level of organization
Answer
Correct Anaswer : 4
Explanation:
In cellular level of organization, a group of cells combine to form the whole body. Each cell carries over a specific function. This level of organization is also called as cell aggregate of body plan. Sponges exhibit this level of organization. Hydra exhibits tissue level of organization.
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Question 5 : Which among the following is incorrect about tissue level of organization?
1. Cells performing same functions group together to form a tissue
2. Organs are absent
3. Planaria exhibits this level of organization
4. Cells are specialized with division of labour
Answer
Correct Anaswer : 3
Explanation:
Cells performing same functions group together to form a tissue. Organs are absent in this level of organization. Cells are specialized with division of labour. Example for this level of organization is Hydra. Planaria exhibits organ level of organization.
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