MCQs of Biology – Hydra

Hydra is:

Hydra is found in:

In which type of habitat Hydra is found?

The body organization i n Hydra is:

Which of the following animals have scattered cells with cell tissue grade of organization:

Amongst coelenterates , Hycdra is one of the smallest:

An association mutually beneficial to both partners is represented by:

Zoochlorellae in musculo-nutritive cells of Hydra live as:

Zoochlorella is:

The association of green algae with the cells of Hydra is called:

Name of the colourless Hydra is:

Hydra is:

The pedal disc of Hydra is covered by:

Body wall of Hydra forms from embryonic:

The epitelio- muscular cells of Hydra occur in:

The number of myonemes in muscle tail of epithelio-mucular cells:

Hydra can suddenly contract its body in length with the help of:

Which pair of cells is present in the epidermis of Hydra but not in its endoderm?

Totipotent cells in Hydra are:

Cells of Hydra which transform into all other cell types:

Cells of Hydra possessing flagella and also from pseudopodia:

Which of the following is not found in Hydra?

Which type of cells is absent in gastrodemis of Hydra?

Myofibril of Hydra is:

The principal cellular constituents of the gastrodermis of Hydra are:

Blindsac is characteristic of which animal?

Hydra is characterized by the presence of:

Body cavity of Hydra is:

Coelenteron of Hydra serves the double purpose of:

The coelenteron of Hydra is:

The middle layer of the body wall of Hydra is known as:

Mesogloea of Hydra is secreted by:

Mesogloea of Hydra is:

What structure in Hydra functionally corresponds to the pseudopodia of Amoeba?

The tentacles of Hydra are:

Tentacles of Hydra help in:

Number of tentacles in Hydra is:

Most sensitive region of the body of Hydra is:

The growth zone of Hydra is located :

In Hydra nematocysts are Maximum on:

Nematocysts of Hydra are important for:

Cells from cnidoblasts of Hydra are derived:

The needle -like process of enidocyte is called:

Hydra captures the victim by injecting the chemical:

Hypnotoxin is a poisonous fluid produced by:

The hypnotoxin of Hydra is chemically:

Discharge of nematocysts depends upon:

On stimulation the nematocysts shoot out within:

In Hydra discharged nematocysts are replaced with in:

Largest nematocyst of Hydra is: