NCERT solutions for Biology Exemplar class 11 chapter 4 - Animal Kingdom [Latest edition]

In some animal groups, the body is found divided into compartments with serial repitition of at least some organs. This characteristic feature is called ______.

Given below are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?

Which one of the following sets of animals share a four chambered heart?

Which of the following pairs of animals has non glandular skin?

Birds and mammals share one of the following characteristics as a common feature.

Which one of the following sets of animals belong to a single taxonomic group?

Which one of the following statements is incorrect?

Which one of the following statements is incorrect?

Which one of the following is oviparous?

Which one of the following is a non-poisonous snake?

Match the following list of animals with their level of organisation.

Choose the correct match showing division of labour with animal example.

Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called ______.

Match the column A with column B and choose the correct option

Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.

What is the importance of pneumatic bones and air sacs in Aves?

What is metagenesis? Mention an example which exhibits this phenomenon.

What is the role of feathers?

Which group of chordates possess sucking and circular mouth without jaws?

Give one example each for an animal possessing placoid scales and that with cycloid scales.

Mention two modifications in reptiles required for terrestrial mode of life.

Mention one example each for animals with chitinous exoskeleton and those covered by a calcareous shell.

What is the role of radula in molluscs?

Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.

Write one example the following in the space provided.

Cold blooded animal ______.

Write one example the following in the space provided.

Warm blooded animal ______.

Write one example the following in the space provided.

Animal possessing dry and cornified skin ______.

Write one example the following in the space provided.

Dioecious animal ______.

Differentiate between a diploblastic and a triploblastic animal.

Give an example of the following:

Round worm

Give an example of the following:

Fish possessing poison sting

Give an example of the following:

A limbless reptile/ amphibian

Give an example of the following:

An oviparous mammal

Provide appropriate technical term in the space provided.

Blood-filled cavity in arthropods ______.

Provide appropriate technical term in the space provided.

Free-floating form of cnidaria ______.

Provide appropriate technical term in the space provided.

Stinging organ of jelly fishes ______.

Provide appropriate technical term in the space provided.

Lateral appendages in aquatic annelids ______.

Match the following:

Differentiate between open circulatory system and closed circulatory system

Differentiate between oviparous and viviparous characteristic

Differentiate between direct development and Indirect development

Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.

There has been an increase in the number of chambers in heart during evolution of vertebrates. Give the names of the class of vertebrates having two, three or four-chambered heart.

Fill up the blank spaces appropriately

Match the following:

Endoparasites are found inside the host body. Mention the special structure, possessed by these and which enables them to survive in those conditions.

Match the following and write correct choice in space provided

a. ______, b. ______, c. ______
d. ______, e. ______, f. ______

Differentiate between open circulatory system and closed circulatory system

Differentiate between oviparity and viviparity

Differentiate between direct development and Indirect development

Differentiate between acoelomate and pseudocoelomate

Differentiate between notochord and nerve cord

Differentiate between polyp and medusa

Give the characteristic features of the following citing one example.

Chondrichthyes and ostichthyes

Give the characteristic features of the following citing one example.

Urochordata and cephalochordata

Mention two similarities between aves and mammals

Mention two similarities between a frog and crocodile

Mention two similarities between a turtle and pila

Name

A limbless animal

Name

A cold blooded animal

Name

A warm blooded animal

Name

An animal possessing dry and cornified skin

Name

An animal having canal system and spicules

Name

An animal with cnidoblasts

Give an example for the following:

A viviparous animal

Give an example for the following:

A fish possessing a poison sting

Give an example for the following:

A fish possessing an electric organ 

Give an example for the following:

An organ, which regulates buoyancy

Give an example for the following:

Animal, which exhibits alternation of generation

Give an example for the following:

Oviparous animal with mammary gland

Excretory organs of different animals are given below. Choose correctly and write in the space provided.

a. ______, b. ______, c. ______
d. ______, e. ______, f. ______

Give three major differences between chordates and non-chordates and draw a schematic sketch of a chordate showing those features.

What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?

Comment upon the habitats and external features of animals belonging to class, amphibia and reptilia.

Mammals are most adapted among the vertebrates. Elaborate.