FREE HOAE Natural Sciences Questions and Answers

Question 1

The lower jaw in vertebrates is known as the:

Accepted Answer

mandible

Answer

hyoid

Answer

pelvis

Answer

coccyx

Answer

ulna

Question 2

In old age bones may become:

Accepted Answer

porous

Answer

flexible

Answer

ductile

Answer

pliable

Answer

supple

Question 3

About one quart, 0.908 dry quarts, is equivalent to one:

Accepted Answer

liter

Answer

gram

Answer

kilogram

Answer

milligram

Answer

calorie

Question 4

Normal body temperature, expressed in degrees centigrade is:

Accepted Answer

37

Answer

212

Answer

120

Answer

98.6

Answer

22.8

Question 5

An individual who played a large role in smallpox vaccination was:

Accepted Answer

Jenner

Answer

Lister

Answer

Salk

Answer

Pasteur

Answer

Dubos

Question 6

The nutrient that yields the most energy per ounce is:

Accepted Answer

fat

Answer

protein

Answer

starch

Answer

sugar

Answer

water

Question 7

Of the following, the scientist who was a Nobel Prize winner was:

Accepted Answer

Muller

Answer

Darwin

Answer

DeVries

Answer

Mendel

Answer

Galen

Question 8

The approximate percent of nitrogen in the earth's atmosphere is:

Accepted Answer

78

Answer

68

Answer

58

Answer

48

Answer

38

Question 9

An example of a good insulator of electricity would be:

Accepted Answer

wood

Answer

copper

Answer

iron

Answer

bronze

Answer

tin

Question 10

A type of mechanical wave motion in an elastic medium is:

Accepted Answer

sound

Answer

light

Answer

radar

Answer

heat

Answer

X-rays