Coelenterata Ctenophora - Questions & Answers | Exam2Win

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91. Hydra is

A. Saprozoic

B. Omnivorous

C. Carnivorous

D. Herbivorous

Explanation:

92. Hydra paralyses its prey with the help of

A. Tentacles

B. Nematocysts

C. Colloblasts

D. Epitheliomuscular cells

Explanation:

93. What is true of Hydra

A. Marine

B. Bilateral Symmetry

C. Carnivorous

D. All the above

Explanation:

94. Which of the following during respiration obtain water dissolved oxygen by diffusion through their body surface?

A. Cnidarians

B. Fishes

C. Amphibians

D. Reptiles

Explanation:

95. Nematoblasts of Hydra help in

A. Attracting prey

B. Detecting prey

C. Paralysing prey

D. None of the above

Explanation: