Home
Class 11
BIOLOGY
Penetrant, valvent and glutinant are typ...

Penetrant, valvent and glutinant are types of

A

Nematocysts of Hydra

B

Tentacles of Hydra

C

Zooids of Obelia

D

Tentacles of Obelia

Text Solution

Verified by Experts

The correct Answer is:
A
(a) Hydra has four type of nematocytes they are penetrants (largest) Volents (smallest) steroline glutinant (small atrichous) and steptoline glutinants (large holotrichous)
Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    ERRORLESS |Exercise Anatomy Of Flowering Plants|397 Videos

  • ANIMAL TISSUES

    ERRORLESS |Exercise Animal Tissues|408 Videos

Similar Questions

Explore conceptually related problems

Penetrants and stenoteles are names of nematocysts in Hydra and of these

A bullet on penetrating 30 cm into its target loses its velocity by 50%. What additional distanee will it penetrate into the target before it comes to rest?

A shot of mass m penetrates a thickness t of a fixed plate of mass M.If M were free to move and the resistance supposed to be uniform, find the thickness penetrated.

A bullet of mass m m penetrates a thickness h of a fixed plate of mass M . If the plate was free to move, then the thickness penetrated will be

A bullet leaving the muzzle of a rifle barrel with a velocity v penetrates a plank and loses one-fifth of its velocity. It then strikes second plank, which it just penetrates through. Find the ratio of the thickness of the planks, supposing the average resistance to the penetration is same in both the cases.

The penetration of light into the region of geometrical shadow is called

The penetration of light into the region of geometrical shadow is called

The radiations having high penetrating power and not affected by electrical and magnetic field are

Which one of the following reduces the penetration of ultraviolet radiation into the earth's surface ?