Life Science diagnostic

1.

1 point

Which is NOT considered a cardiovascular problem?

stroke

hyperactivity

heart attack

atherosclerosis

2.

1 point

What are you doing when your diaphragm and rib muscles contract, and air enters the space created inside the your chest cavity?

exhaling

inhaling

coughing

eating

3.

1 point

What is smallest unit that can perform all the processes necessary for life?

organelle

nucleus

protist

cell

4.

1 point

In which of the following ways does hair help your body?

It protects skin from ultraviolet light.

It absorbs moisture.

It traps cool air around the body.

It protects the tips of fingers and toes.

5.

1 point

Which of the following is NOT a true statement about the small intestine?

It is narrower than the large intestine.

It absorbs most of the nutrients from food.

It is shorter than the large intestine.

It is lined with nutrient-absorbing cells.

6.

1 point

Which of the following is NOT a true statement about the kidneys?

Blood leaves the kidneys through the ureter.

The kidneys contain microscopic filters that clean the blood.

A concentrated mixture of waste materials are collected in the kidneys for excretion.

The kidneys filter about 2,000 L of blood every day.

7.

1 point

Which of the following is not a single cell organism?

Amoeba

paramecium

Mitochondrian

Euglena

8.

1 point

One of the functions of bones is to store

nervous and connective tissue.

keratin and collagen

living and dead cells.

minerals and fat.

9.

1 point

Why were ratios important in Mendel’s work?

They showed the relationship between two different things.

They showed that heredity does not follow a set pattern.

They showed that some traits are never passed on.

They showed that some recessive traits are really dominant.

10.

1 point

Cellular respiration is the process by which

plant cells create glucose.

cells breakdown food without using oxygen.

cells use oxygen to produce energy from food.

cells grow and reproduce.

11.

1 point

Each parent gives one set of these to the offspring.

alleles

genes

meiosis

phenotypes

12.

1 point

What cell part supports the cell and might be made of cellulose or chitin?

cell membrane

nucleus

cell wall

ribosome

13.

1 point

A plant with two dominant OR two recessive alleles is said to be

true-breeding.

heterozygous.

cross-pollinating.

homozygous.

14.

1 point

Which of the following statements is not part of the cell theory?

The cell is the basic unit of all living things.

All cells come from existing cells.

Animals and plants share the same kinds of cells.

All organisms are made up of one or more cells.

15.

1 point

Ribosomes, the organelles that make proteins, are found on the membranes of the

mitochondria.

vacuoles.

cell wall.

endoplasmic reticulum.

16.

1 point

Your body moves food through the digestive tract by using

extensor muscle.

cardiac muscle.

smooth muscle.

flexor muscle.

17.

1 point

Offspring that are different from both parents are produced by

mitosis.

something going wrong.

asexual reproduction.

sexual reproduction.

18.

1 point

What is heredity?

plants that are cross-pollinated

traits passing from offspring to parents

the ratio of dominant to recessive traits

traits passing from parents to offspring

19.

1 point

What are four parts of the cardiovascular system?

atherosclerosis, hypertension, heart attacks, and heart failure

heart, arteries, capillaries, and veins

pulmonary, systemic, lymphatic, and respiratory

oxygen, carbon, nitrogen, and hydrogen

20.

1 point

Osmosis benefits plant cells by bringing in

soil.

energy.

water.

sunlight.

21.

1 point

What type of muscle is found only in the heart?

smooth muscle

cardiac muscle

skeletal muscle

biceps muscles

22.

1 point

Which of the following statements about the stomach is true?

It produces a fluid that neutralizes acid in the chyme.

It produces bile, which breaks down fat droplets in the small intestine.

It produces acid that kills most of the bacteria swallowed with food.

It produces a fluid that begins the chemical digestion of carbohydrates.

23.

1 point

The highest level of organization is the

organ.

system.

cell.

tissue.

24.

1 point

What systems are working together during the process of respiration?

respiratory and cardiovascular systems

lymphatic and cardiovascular systems

respiratory, lymphatic, and cardiovascular systems

respiratory and lymphatic systems