Question # 1

Protandrous means

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Male sex cells develop first

Male and female sex develop simultaneously

Female sex cell develop first

None of the above

Which of the following is a motile coclenterate

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Hydra

Obelia

Jelly fish

Corals

Corals produce hard exoskeleton formed of.

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NaCO3

CaCO3

NaOH

KCl

A quatic arthropods respire through

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Lungs

skin

Gills

Spiracles

The skeleton of Athropds is made of

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Silica

Chitin

Calcium carbonate

Both a and c

Which of the following are called as sponges

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Protozoa

Porifera

Coelentrata

Nematoda

Which of the following is a feature of series deuterostomia

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Cleavage of zygote is spiral and determinate

Coelom is formed due to splitting of mesoderm

Mouth arises from blastopore or anterior margin

Mesoderm is derived from wall of developing gut

A free swimming trochophore larva is produced during the life cycle of.

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Coelenterate

Porifera

Annelida

Arthropods

Pseudo coelom is characteristics feature of.

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Aschelminthes

Annelida

Mollusca

Profera

Which one of the following is not a sub phylum to choradata.

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Urochoradata

Cephalochordata

Hemichordata

Vertebrata

Which is not included in proterostomia.

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Arthropod

Mollusca

Annelida

Enchinodermata

Syrinx is a

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Organ of voice in mammals

Organ of voice in birds

Copulatory organ in birds

Seuse organs in birds

Sphenodon is found is.

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Australia

New Zealand

Texas

Berlin

The food of porifera consists of microscopic organisms and organic particles in a percentage ratio of

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10% & 90% respectively

20% & 80% respectively

30% & 70% respectively

40% & 60% respectively

The excretory system of flatworms is composed of.

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Nephron

Nephridia

Flame cells

Ganglia

Excretory organ in annelid are.

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Nephridia

Nephron

Flame cells

Malpighian tubule

Neries belongs to class

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Polychaeta

Hirudinea

Oligocheaeta

Crustacea

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Biology Fsc Part 1 Chapter 10 Online Test MCQs With Answers

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