Class 11 Animal Kingdom Quiz

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Questions and Answers

Which phylum do jellyfish belong to?

Cnidaria (correct)
Annelida
Platyhelminthes
Porifera

What is the characteristic feature of animals in the phylum Arthropoda?

Radial symmetry
Pseudocoelom
Segmented body
Exoskeleton (correct)

What is the basic structural and functional unit of life?

Organ
Tissue
Organism
Cell (correct)

Which of the following is a defining feature of animals in the phylum Chordata?

Notochord (C) Signup and view all the answers

Which organelle is responsible for the production of energy in a cell?

Mitochondria (C) Signup and view all the answers

What is the function of the nucleus in a cell?

Contains genetic material and controls cell activities (C) Signup and view all the answers

Flashcards

Phylum Cnidaria

A group of multicellular organisms characterized by radial symmetry, tentacles with stinging cells called nematocysts, and a body plan that includes a polyp and a medusa stage.

Exoskeleton

An external, hard protective covering that provides support and protection. It is made of chitin and is shed periodically as the animal grows.

Cell

The basic structural and functional unit of all living organisms. It is enclosed by a membrane and contains various organelles that carry out specific functions.

Notochord

A flexible rod that provides support and serves as a point of attachment for muscles. It is a defining characteristic of animals belonging to the phylum Chordata.

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Mitochondria (singular: mitochondrion)

An organelle found in eukaryotic cells that is responsible for the production of ATP (adenosine triphosphate), the primary energy currency of cells.

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Nucleus

The control center of a cell. It contains the genetic material (DNA) in the form of chromosomes and regulates all cell activities.

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Study Notes

Classification and Characteristics

Jellyfish belong to the phylum Cnidaria.
The characteristic feature of animals in the phylum Arthropoda is the presence of jointed limbs and a hard exoskeleton.

Cell Biology

The basic structural and functional unit of life is the cell.

Phylum Chordata

A defining feature of animals in the phylum Chordata is the presence of a notochord at some stage in their development.

Cellular Organelles

The mitochondria is the organelle responsible for the production of energy in a cell.
The nucleus is the control center of the cell, responsible for storing genetic information and regulating cell growth and division.

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Description

Test your knowledge of the animal kingdom with this Class 11 quiz! Identify the phylum of jellyfish, explore the characteristic features of Arthropoda, and learn about the defining features of animals in the phylum Chordata.