Biology

A student dissecting am animal specimen discovered that it had two auricle and on ventricle. The animal is likely to a/an?

A. fish B. reptile C. amphibian D. bird Correct Answer: Option C C. amphibian

6 years ago

Impulses are conducted towards the nerve cell through the?

A. myelin sheath B. dendrons C. axons D. synaptic nodes Correct Answer: Option B B. dendrons

6 years ago

The following are all examples of a simple reflex action except?

A. swallowing B. sneezing C. walking D. blinking Correct Answer: Option C C. walking

6 years ago

Increasing adrenalin content of the blood would be expected to decrease the flow of blood to the?

A. liver B. heart C. lungs D. brain Correct Answer: Option B B. heart

6 years ago

The pulmonary circulation involves movement of the blood to and from the?

A. brain B. Kidney C. Liver D. lungs Correct Answer: Option D D. lungs

6 years ago

The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high concentration of lactic acid. Explain what could have caused this?

A. athlete must have eaten food containing lactic acid just before the race B. Athlete must have injected lactic acid…

6 years ago

Which of the following processes occurs in the second phase of meiosis?

A. Homologous chromosomes separate B. Two daughter cells are formed C. Fertilization occurs D. Segregation of genes occurs Correct Answer:…

6 years ago

In which of the following multicellular organisms is-interdependence of cells maintained?

A. Spirogyra B. Volvox C. Eudorina D. Pandorina Correct Answer: Option B B. Volvox

6 years ago

The disadvantage of complexity of organisation in the higher organisms is that it leads to?

A. mutual interdependence between component cells B. internal structural specialization C. increased adaptation to environment D. slower rate of diffusion…

6 years ago

The organism at the organ level of organization of life is?

A. Euglena B. Spirogyra C. Ginger D. Tapeworm Correct Answer: Option C C. Ginger

6 years ago
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