Question # 1

Oxygen content of fresh air are

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200 ml/litre

10 ml/ litre

100 ml / litre

150 ml / litre

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

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Phagocytosis

Pinocytosis

Exocytosis

Lymphocytosis

An activated enzyme with a co enzyme is called.

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Apoenzymes

Activators

Holo enzymes

Co enzymes

These are uniccellular organisms with a flexible outer covering

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Flagellates

Ciliates

Foraminiferans

Actinopods

Binomial system of nomenclature was devised.

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E Chatton

Ernst Haclde

Robert Whittaker

Carlous Linnaces

In cockroach, the heart is.

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Four chambered

Three chambered

Five chambered

thirteen chambered

The heart of fish is

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Single circuit

Double circuit

Triple circuit

Muti circuit

A little change in phmay leadsto.

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Effects enzyme only in high concentration

Retarder even block enzyme activity

Ionization of substrate

Ionization of active sites of enzyme

Most of the visible part of lichen is.

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Fungi

Algae

Bacteria

Roots

Golgi apparatus was discovered by Golgi in

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1897

1896

1898

1889

Cell wall of Archaebacteria does not contain.

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Chitin

Cutin

Peptidoglycan

Cellulose

Which of the following are called as sponges

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Protozoa

Porifera

Coelentrata

Nematoda

The loss of liquid water through hydathodes in plants is called

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Imbibition

Transpiration

Bleeding

Guttation

The protein present in microtubules is.

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Actin

Tetroses

Tubulin

Tropomyosin

Amoebic dysentery in.

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Amoeba

Entamoeba histolytica

Trypanosoma

Plasmodium

When blood leaves the capillary bed most of the carbon dioxide is in the form of

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Carbonate ions

Bicarbonate ions

Hydrogen ions

Hydroxyl ions

Pleura is double layered thin membrane that covers.

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Heart

Liver

Lungs

Kidneys

During exercise the breathing rate may rise to

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30 times per minute

20 times per minute

25 times per minute

35 times per minute

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