Science Quarter Exam; Chapters 1-3

Question 1

What is a scientific idea that has survived experiments without ever being proven false?

Accepted Answer

Law

Question 2

Type of symmetry for an organism that can be cut into equal halves in only one direction?

Accepted Answer

Bilateral symmetry

Question 3

The longest lymphatic organ?

Accepted Answer

Spleen

Question 4

Dome shaped muscle that aids in breathing?

Accepted Answer

Diaphragm

Question 5

Scientific name for the "windpipe?"

Accepted Answer

Trachea

Question 6

Which plant family helps restore nitrogen to the soil?

Accepted Answer

Pea family

Question 7

In which organ is bile stored?

Accepted Answer

Gallbladder

Question 8

What is the first section of the small intestine?

Accepted Answer

Duodenum

Question 9

What plant tissues carry food downward to the stems and roots?

Accepted Answer

Phloem

Question 10

What type of leaf has only one blade attached to the petiole?

Accepted Answer

Simple leaf

Question 11

This structure exchanges oxygen and nutrients between blood of unborn child and his mother:

Accepted Answer

Placenta

Question 12

What gland is considered the "master gland?"

Accepted Answer

Pituitary gland

Question 13

Which one of these white blood cells matures in the thymus?

Accepted Answer

B cells

Question 14

What is the primary pigment that causes skin color?

Accepted Answer

Melanin

Question 15

Which branch of biology studies the relationships between organisms in their environments?

Accepted Answer

Ecology

Question 16

What portion of the body contains most of the vital organs?

Accepted Answer

Trunk

Question 17

What structure controls simple reflexes?

Accepted Answer

Spinal cord

Questions 17