NCERT Solutions Class 11 Biology Chapter 4 Animal Kingdom – Here are all the NCERT solutions for Class 11 Biology Chapter 4. This solution contains questions, answers, images, explanations of the complete chapter 4 titled Animal Kingdom of Biology taught in Class 11. If you are a student of Class 11 who is using NCERT Textbook to study Biology, then you must come across chapter 4 Animal Kingdom. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 11 Biology Chapter 4 Animal Kingdom in one place.
NCERT Solutions Class 11 Biology Chapter 4 Animal Kingdom
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For a better understanding of this chapter, you should also see summary of Chapter 4 Animal Kingdom , Biology, Class 11.
NCERT Solutions Class 11 Biology chapter 4 Animal Kingdom
Class 11, Biology chapter 4, Animal Kingdom solutions are given below in PDF format. You can view them online or download PDF file for future use.
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Question & Answer
Q.1: What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Ans : For the classification of living organisms, common fundamental characteristics are considered. If we consider specific characteristics, then each organism will be placed in a separate group and the entire objective of classification would not be achieved. Classification of animals is also important in comparing different organisms and judging their individual evolutionary significance. If only a single characteristic is considered, then this objective would not be achieved.
Q.2: If you are given a specimen, what are the steps that you would follow to classify it?
Ans : There is a certain common fundamental feature that helps in classification of living organisms. The features that can be used in classification are as follows. On the basis of above features, we can easily classify a specimen into its respective category.
Q.3: How useful is the study of the nature of body cavity and coelom in the classification of animals?
Ans : Coelom is a fluid filled space between the body wall and digestive tract. The presence or absence of body cavity or coelom plays a very important role in the classification of animals. Animals that possess a fluid filled cavity between body wall and digestive tract are known as coelomates. Annelids, mollusks, arthropods, echinoderms, and chordates are examples of coelomates. On the other hand, the animals in which the body cavity is not lined by mesoderm are known as pseudocoelomates. In such animals, mesoderm is scattered in between ectoderm and endoderm. Aschelminthes is an example of pseudocoelomates. In certain animals, the body cavity is absent. They are known as acoelomates. An example of acoelomates is platyhelminthes.
Q.4: Distinguish between intracellular and extracellular digestion?
Ans : Intracellular and Extracellular digestion
Q.5: What is the difference between direct and indirect development?
Ans : Direct and Indirect development
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