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SCIENCE 9

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

1. Another term for windpipe?

a)

Trachea

b)

Alveoli

c)

Nose

d)

Larynx

2.

The structure in the lungs where the exchange of oxygen and carbon dioxide takes place

a)

Trachea

b)

Alveoli

c)

Nose

d)

Larynx

3.

The pumping chamber of the heart?

a)

Aorta

b)

Vena cava

c)

Atrium

d)

Ventricles

4.

The collecting chamber of the heart?

a)

Aorta

b)

Vena Cava

c)

Atrium

d)

Ventricles

5.

The blood vessels where gas exchange happens?

a)

Veins

b)

Capillaries

c)

Artery

d)

Leukocytes

6.

Occurs when blood pressure remains consistently high?

a)

Stroke

b)

Hypertension

c)

Anemia

d)

Leukemia

7.

Infection of the alveoli caused by bacteria and viruses?

a)

Pneumonia

b)

Bronchitis

c)

Emphysema

d)

Asthma

8.

Develop a third phenotype that is blending?

a)

Codominance

b)

Multiple Alleles

c)

Incomplete Dominance

d)

Recessive

9.

Determine the probability for one offspring?

a)

Allelles

b)

Recessive

c)

Dominant

d)

Punnet Square

10.

Type of dominance when both alleles are expressed?

a)

Incomplete Dominance

b)

Recessive

c)

Codominance

d)

Dominant

11.

In cats, the allele (S) for short fur is dominant to the allele (s) for long fur. What is the phenotype of a cat with a genotype "Ss?"

a)

Short fur

b)

Long fur

c)

Pink color

d)

Red and pink stripe

12.

In humans, maleness and femaleness is determined by a pair of sex chromosomes called X and Y. What is the genotype for males?

a)

XX

b)

XXY

c)

XYY

d)

XY

13.

A trait that is always masked and can only be expressed when both inherited.

a)

Recessive

b)

Incomplete Dominance

c)

Codominance

d)

Dominant

14.

An allele that masks or suppressed the expression of an alternate allele.

a)

Recessive

b)

Incomplete Dominance

c)

Codominance

d)

Dominant