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Biology Formative 31-40 (released test) 2009

Last updated about 6 years ago

10 questions

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Question 1

1.

This diagram shows a pedigree for a recessive genetic disorder. What is the genotype of individual 6?

A

B

C

D

Question 2

2.

Which is an example of a learned behavior?

A)A bear cub practices catching salmon the way its mother does.

B) A baby gazelle rises to its feet within a few minutes of its birth.

C) A baby kangaroo climbs into its mother’s pouch as soon as it is born.

D) An adult salmon returns to its freshwater stream when it is time to reproduce.

Question 3

3.

Sandworms are annelid worms that live on the seafloor. They absorb oxygen and excrete wastes through their skin. Which characteristic will best help the worm carry out these functions?

A large number of hearts

B large diameter blood vessels

C large mouth compared to body volume

D large surface area compared to body volume

Question 4

4.

Which reproductive adaptation is more characteristic of mammals than amphibians?

A external fertilization with internal development

B internal fertilization with internal development

C external fertilization with external development

D internal fertilization with external development

Question 5

5.

What kingdoms did Carolus Linnaeus originally use for his classification system?

A Fungi and Protista

B Fungi and Animalia

C Plantae and Protista

D Plantae and Animalia

Question 6

6.

After an initial infection, B-cells recognize the measles virus. How is this helpful in human immune response?

A The B-cells use this recognition to defend the body against other pathogens, such as bacteria.

B The B-cells more quickly recognize and respond to any other virus that invades the body.

C The B-cells produce antibodies more quickly if the measles virus is encountered again.

D The B-cells transfer this recognition to T-cells, which will then devour the viruses.

Question 7

7.

What is the main function of leaves?

A Leaves provide support for growth and a place to store food.

B Leaves provide a place for photosynthesis to occur.

C Leaves absorb water and minerals and transports nutrients to the stem

D Leaves create a barrier that prevents water in the plant's tissue from evaporating.

Question 8

8.

In an ecosystem, which is the most likely reason for an increase in the producer population if there is an increase in the carnivore population?

A fewer herbivores

B higher temperatures

C less food

D more oxygen

Question 9

9.

A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7. Which is the best conclusion for this experiment?

A  Acid has no effect on the health of this type of plant.

B  High acidity is helpful to this type of plant.

C  Low acidity is harmful to this type of plant.

D  High acidity is harmful to this type of plant.

Question 10

10.

Which graph represents the maximum carrying capacity of a bacterial colony?

A

B

C

D