Question # 1

An example of beautful and delicate sponge called venus flower basket is.

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sycon

Leucoselenla

Euplectella

spongilla

The pores by which water enters in the body of sponge is called.

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Osculum

Ostia

Mouth

Spongocoel

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 phylum which is exclusively marine is

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Canidaria

proifera

Echinadermata

Annelida

In sponges the food enters the spngocoal cavity throgh

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Ostia

Osculum

Mouth

Spiracles

The asexual reproduction in sponges occurs by.

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Budding

Spores

Fragmentation

Conidia

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

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Urochoradata

Cephalochordata

Hemichordata

Vertebrata

Pseudo coelom is characteristics feature of.

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Aschelminthes

Annelida

Mollusca

Profera

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

The sub class that has not primitive mammals is

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Prototherian

Eutherian

Megatheria

None of these

Corals produce hard exoskeleton formed of.

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NaCO3

CaCO3

NaOH

KCl

Flame cells are excretory cells in.

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Flatworms

Segmented worms

Round worms

Anseets

In Mollusca, a blue respiratory pigment is present called.

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Haemoglobin

Haemoerythrin

Haemocyanin

Prothombin

In protostomes, the blastopore forms the

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Anus

Brain

Excretory pore

Mouth

Which of the following is not included in grade Bilateria

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Coelenterates

Nematodes

Annelids

Molluscs

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

Ancient fish that have developed lungs are called.

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Dipnoi

Thaliacea

Asterias

Leptocardil

The body of animals which can be divided into two equal halves only in one plan is termed as

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Asymmetrical

Bilaterally symmetrical

Radically symmetrical

None of these

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Biology Fsc Part 1 Chapter 10 Online Test MCQs With Answers

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