Five Kingdom Classification Long Answer Biology Class-9 ICSE Selina Publishers

Five Kingdom Classification Long Answer Biology Class-9 ICSE Selina Publishers Solutions Chapter-8. Step By Step ICSE Selina Concise Solutions of Chapter-8 Five Kingdom Classification with Exercise-8 including MCQs, Very Short Answer Type, Short Answer Type, Long Answer Type and Structured/Application Questions Solved . Visit official Website CISCE for detail information about ICSE Board Class-9.

Five Kingdom Classification Exe-8 Long Answer Biology Class-9 ICSE Concise Selina Publishers

Board	ICSE
Publications	Selina Publication
Subject	Biology
Class	9th
Chapter-8	Five Kingdom Classification
Book Name	Concise
Topics	Solution of D. Long Answer Type
Academic Session	2023-2024

D. Long Answer Type

Five Kingdom Classification Class-9 Biology Concise Solutions

Page 85

Question 1.

Distinguish between the following pairs :

(a) Invertebrates and vertebrates

(b) Ectothermal and Homeothermal animals

(d) Bryophytes and Pteridophytes

(e) Roundworms and Ringed worms

Answer:

(a) Difference between Invertebrates and vertebrates:

Invertebrates	Vertebrates
No internal skeleton.	They have an internal skeleton.
Backbone is not present.	Backbone is present.
Tail is absent.	Tail is present.
Heart is present on dorsal side.	Heart is on ventral side of the body
Nerve cord is ventral and solid.	Nerve cord is dorsal and hollow.
Three or more pairs of limbs, if present.	Two pairs of limbs.
Haemoglobin, if present, is dissolved.	Haemoglobin is present in red blood cells.

(b) Difference between Ectodermal and Homeothermal animals:

Ectothermal animals	Homeothermal animals
Internal body temperature relies on external temperature.	A constant internal temperature is maintained which is not affected by external temperature.
Example – Amphibians, Reptiles	Example – Mammals, Aves

(c) Difference between Monera and Protista:

Monera	Protista
They are prokaryotes.	They are eukaryotes.
Membrane bound cell organelles are absent.	Membrane bound cell organelles are present.
Example – Bacteria	Example – Amoeba, Euglena

(d) Difference between Bryophytes and Pteridophytes:

Bryophytes	Pteridophytes
True leaves, stems or roots are absent.	True leaves, stems or roots are present.
Non-vascular	Vascular
Example – Moss, liverwort	Example – Fern

(e) Difference between Roundworms and Ringed worms:

Roundworms	Ringed worms
Belong to Phylum Nematoda.	Belong to Phylum Annelida.
Soft, round, cylindrical body.	Soft, cylindrical ring-like segmented body.
False body cavity present.	True body cavity present.

Question 2.

Explain the meaning of the terms cold-blooded and warm-blooded (homeothermal).

Answer:

Cold-blooded animals	Warm-blooded animals
These animals cannot maintain their body temperature. Their body temperature is regulated by the external environment.	Animals whose body temperature is kept relatively constant by internal mechanisms.
E.g. Insects, Amphibians	E.g. Birds, Mammals