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2009 Biology – James Ruse Trial ( Practise Mode Multiple Choice )

Which of the following is part of the second line of defence adaptations that fights against invading organisms?

In ferrets the brown coat colour is dominant over the white colour. A heterozygous brown female was crossed with a heterozygous brown male. What would be the probability of an offspring being homozygous?

What was the role of Sutton and Boveri in genetics?

Which of the following statements best describes Mendel’s work on inheritance?

If a red flowered snap dragon is crossed with a white flowered one, the progeny will all be pink flowered. Which of the following is the most correct prediction of the ratios of offspring when a red snapdragon is crossed with a pink snapdragon?

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After a long day in the sun a worker becomes dehydrated. Which one of the following hormonal responses would best counteract this?

What is the function of cytotoxic T-lymphocytes?

Which of the following is the best explanation for the body’s rejection of transplanted tissue?

Which of the following statements best describes enantiostasis?

The following equipment is set up in a laboratory for a first-hand investigation: data logger, pH probe, beaker of distilled water and a drinking straw. What could the student be investigating with this equipment?

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The emphasis of health programmes has changed over time, from being predominantly concerned with treating diseases, to prioritizing the prevention of the spread or incidence of diseases

Which description below correctly identifies the characteristics of the genetic material found in some types of infective agents?

A group of students conducted an investigation that produced the results shown in the table. Students washed their hands and then touched nutrient agar dishes with their fingers. Some students acted as controls by not washing their hands.

What do B cells produce when they bind to an antigen and undergo cell division?

The photomicrograph below shows a cross section through a vascular bundle. The area of the photomicrograph is:

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