(A) The notochord is a long,rod-like support structure (chord $=$ string) that runs along the back of the animal,separating the nervous tissue from th

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It provides a site for muscle attachment for movement.

(A) The notochord is a long,rod-like support structure (chord $=$ string) that runs along the back of the animal,separating the nervous tissue from the gut.It provides a site for muscles to attach,which facilitates ease of movement.

Class 9 Science DIVERSITY IN LIVING ORGANISMS Mix Example - DIVERSITY IN LIVING ORGANISMS

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Protochordates possess a notochord in larval forms. Appraise the use of this feature in these animals.

A
It provides a site for muscle attachment for movement.
B
It acts as a protective covering for the heart.
C
It helps in the digestion of food.
D
It is used for respiration.

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DIVERSITY IN LIVING ORGANISMS

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Mix Example - DIVERSITY IN LIVING ORGANISMS

Pick the odd one out and justify your choice by giving reasons:
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$(b)$ Sea Cucumber,Octopus,Feather Star,Starfish.

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Give reasons for the following:
$(i)$ Bryophytes are called amphibians of the plant kingdom.
$(ii)$ From phylum Platyhelminthes onwards,animals are categorized as 'triploblastic.'
$(iii)$ The presence of 'coelom' in an animal's body is considered advantageous.

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$(a)$ Give a difference between lizards and snakes.
$(b)$ Name the type of nutrition in fungi.

Medium

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Is the given figure of an angiosperm plant a dicot or a monocot? Differentiate between dicot and monocot plants on the basis of venation in the leaf and the number of cotyledons in the seed.

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Corals are

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Protochordates possess a notochord in larval forms. Appraise the use of this feature in these animals.

Similar Questions

Pick the odd one out and justify your choice by giving reasons:$(a)$ Moss,Fern,Pinus,Spirogyra.$(b)$ Sea Cucumber,Octopus,Feather Star,Starfish.

Give reasons for the following:$(i)$ Bryophytes are called amphibians of the plant kingdom.$(ii)$ From phylum Platyhelminthes onwards,animals are categorized as 'triploblastic.'$(iii)$ The presence of 'coelom' in an animal's body is considered advantageous.

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Is the given figure of an angiosperm plant a dicot or a monocot? Differentiate between dicot and monocot plants on the basis of venation in the leaf and the number of cotyledons in the seed.

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Pick the odd one out and justify your choice by giving reasons:
$(a)$ Moss,Fern,Pinus,Spirogyra.
$(b)$ Sea Cucumber,Octopus,Feather Star,Starfish.

Give reasons for the following:
$(i)$ Bryophytes are called amphibians of the plant kingdom.
$(ii)$ From phylum Platyhelminthes onwards,animals are categorized as 'triploblastic.'
$(iii)$ The presence of 'coelom' in an animal's body is considered advantageous.

$(a)$ Give a difference between lizards and snakes.
$(b)$ Name the type of nutrition in fungi.