The vitamin which is important in the formation of the retina pigment is?

An example of a radially symmetrical organisms is?

A. Planaria B. Hydra C. Tapeworm D. Roundworm Correct Answer: Option B – Hydra Explanation An animal with radial symmetry really has no right and left side or head and rear end. These animals do not move, so they can reach into their environment on all sides....

Man can contact tapeworm through?

A. ingesting uncooked meat B. from fish C. from breathing D. through contact Correct Answer: Option A – ingesting uncooked meat Explanation A cysticercus can survive for several years in the animal. Humans become infected by ingesting raw or undercooked infected...
The vitamin which is important in the formation of the retina pigment is?

What is the function of trichocyst in paramecium?

A. Movement B. Defence C. Excretion D. At which stage in this cycle can man b infected Correct Answer: Option B – Defence Explanation Trichocyst, a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads...

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