Science 8 Year End Review- Unit B

Science 8 Year End Review- Unit B

Multiple Choice

Which of the following statements does not describe a characteristic of living things?

• A boy's height changes by 5cm in a month.

• An otter's heart rate slows down when it dives into water.

• A leaf gets wet in a rain storm.

• A cat has a litter of 5 kittens.

Multiple Choice

The tissues of an animal organ system can be put into 4 different categories. They include all of the following EXCEPT:

• nervous tissue

• dermal tissue

• connective tissue

• muscle tissue

Multiple Choice

When referring to different forms for the same function, all of the following organs serve the same function except:

• lungs

• gills

• tidal ventilation in sea sponges

• Red blood cells

Multiple Choice

Which of the following statements is incorrect?

• We study single-celled organisms because they are less complex to understand.

• Regardless of number of cells, all organisms have to respond to their environment.

• Unicellular organisms are limited in size because of diffusion and osmosis.

• Microbiology as a science was largely encouraged by Antony Van Leeuwenhoek.

Multiple Choice

A plant cell that is otherwise healthy but unable to photosynthesize is likely experiencing a problem with this organelle.

• Chloroplasts

• Vacuoles

• Mitochondria

• Cell wall

Open Ended

Identify an example of diffusion that DOES NOT happen in the human body.

Multiple Choice

Which of the following statements are correct?

• Osmosis occurs in the cells of the large intestine.

• Osmosis occurs in the cells in alveoli

• Osmosis does not occur in the body at all.

• None of these answers are correct.

Open Ended

Why are capillaries only one cell thick?

Multiple Select

When inhaling, which of the following are correct?

• Ribs go out

• Ribs go in

• Diaphragm goes down

• Diaphragm goes up

Multiple Choice

Which of the following statements is false about gas exchange in the lungs?

• The lungs exchange ALL of the carbon dioxide in the blood for ALL of the oxygen in the alveoli.

• Blood that is returning from the body is high in carbon dioxide.

• Alveoli prior to gas exchange are high in oxygen.

• The blood vessels responsible for gas exchange are capillaries.

Multiple Choice

Which side of the heart carries oxygenated blood?

• Right side

• Left side

Multiple Choice

If you were to contract an illness, which of the following blood components would increase in response?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Multiple Choice

Paralysis of the esophagus would result in problems with which process?

• Chemical digestion

• Mechanical digestion

• Peristalsis

• Release of salivary amylase

Open Ended

Why would the existence of villi and microvilli be considered an evolutionary advantage?

Multiple Choice

Which of the following is absorbed in the large intestine?

• Carbohydrates

• Proteins

• Lipids

• None of the above

Multiple Select

Which of the following components of the nervous system are made of neurons?

• Cerebellum

• Cerebrum

• Medulla

Multiple Choice

A reflex arc bypasses which section of your nervous system (for the most part)?

• Central nervous system

• Peripheral nervous system

Multiple Choice

Which of the following would not be accomplished by normal functioning of the kidneys?

• Decrease solute concentrations in blood

• Change temperature in blood.

• Altering blood pressure.

• Removal of toxic wastes that occur naturally in the digestion process.

Multiple Choice

The detection of a full bladder connects the excretory system to which specific section of the nervous system?

• Central nervous system

• Peripheral nervous system

• Autonomic nervous system

• Somatic nervous system

Multiple Choice

The removal of a patient's gall bladder would likely result in issues with the digestion of:

• Carbohydrates

• Proteins

• Lipids

• Vitamins

Multiple Select

When exercising, the body's heart rate increases for many reasons. Select all which are correct:

• Increased energy needs

• Increased oxygen needs

• Increased breakdown of toxic byproducts

• Increased infection fighting requirements

Multiple Choice

Joseph Lister's primary contribution to the field of medical science is:

• the creation of the first vaccine.

• the concept of disinfecting medical tools.

• the concept of white blood cells fighting infection.

• discovered penicillin.

Multiple Select

In order to carry a microscope safely, an individual should carry the microscope by which part(s)?

• Arm

• Eyepiece

• Diaphragm

• Base