Question # 1

In Mollucs, a respiratory pigment of blue colour is present called.

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Haemoglobin

Haemocyanin

Haemoery thrin

None of these

Conjugation is facilitated by

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Capsule

Pili

Flagella

Both pili and flagella

Organism that live upon or within another organism are called.

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Predators

Pests

Parasites

Hosts

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

Engelmann used in his experiment in 1883

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sprogyra

Aerobic bacteria

Anaerobic bacteria

Both a and b

Which one is the structure of respiratory system of man.

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Larynx

Syrinx

Esophagus

duodenum

A rasping tongue like radula having horny teeth is present in.

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sponges

Molluscs

Coelonterates

Annelids

The process of taking in liquid material by cell membrane is called.

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Phagocytosis

Pinocytosis

Exocytosis

Lymphocytosis

A sequence of cocci is termed as.

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Diplococcus

saurian

Streptococci

Tetrad

Bacteria without any flagella are called

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Flagellate

Atrichous

Monotrichous

Amphitrichaus

The valves present in the veins are

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Bicuspid

Semi lunar

Tricuspid

Aortic

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