Question 1

In translation, the first codon always codes for what amino acid?

Accepted Answer

A) Alanine 
B) Valine 
C) Proline 
D) Tryptophan 
E) Methionine 
A) Alanine 
B) Valine 
C) Proline 
D) Tryptophan 
E) Methionine

Question 2

Sally, Nick, Bobby, and Kenny are standing in a line. How many different ways can they be ordered?

Accepted Answer

A) 8 
B) 16 
C) 24 
D) 32 
A) 8 
B) 16 
C) 24 
D) 32

Question 3

A mutation in DNA that changes the DNA sequence but does not alter the amino acid of a protein is known as ____________.

Accepted Answer

A) Silent mutation 
B) Frameshift mutation 
C) Insertion mutation 
D) Deletion mutation 
E) Point mutation 
A) Silent mutation 
B) Frameshift mutation 
C) Insertion mutation 
D) Deletion mutation 
E) Point mutation

Question 4

What is the oxidation state of chlorine in potassium perchlorate, KClO4?

Accepted Answer

A) -7 
B) -3 
C) 0 
D) 3 
E) 7 
A) -7 
B) -3 
C) 0 
D) 3 
E) 7

Question 5

Anxiety can lead to which of the following conditions?

Accepted Answer

A) Loss of appetite 
B) Constipation or Diarrhea 
C) High blood pressure 
D) All the above 
A) Loss of appetite 
B) Constipation or Diarrhea 
C) High blood pressure 
D) All the above

Question 6

Which of the following statements about adaptive radiation is false?

Accepted Answer

A) Adaptive radiation is a rapid process. 
B) Phenotypes adapt to the environment. 
C) Adaptive radiation often occurs as the result of an organism arising in an environment with an undefined niche. 
D) Adaptive radiation results in the creation of numerous species from a single lineage. 
E) Adaptive radiation is not driven by natural selection. 
A) Adaptive radiation is a rapid process. 
B) Phenotypes adapt to the environment. 
C) Adaptive radiation often occurs as the result of an organism arising in an environment with an undefined niche. 
D) Adaptive radiation results in the creation of numerous species from a single lineage. 
E) Adaptive radiation is not driven by natural selection.

Question 7

A: {3, 6, 7} B: {2, 8}
What is the union of Set A and Set B?

Accepted Answer

A) {2, 3, 6, 7, 8} 
B) {3, 6, 7} 
C) {2, 8} 
D) None of the above 
A) {2, 3, 6, 7, 8} 
B) {3, 6, 7} 
C) {2, 8} 
D) None of the above

Question 8

What percentage is ¼?

Accepted Answer

A) 20% 
B) 25% 
C) 50% 
D) 4% 
A) 20% 
B) 25% 
C) 50% 
D) 4%

Question 9

Etiquette, which is sometimes unwritten, is a code that governs the expectations of social behavior of people. It usually reflects the cultures and traditions of countries. The Democratic Republic of the Congo is the second largest country in African. It is also known as Congo (Kinshasa) or DRC. With over 200 ethnic groups represented the people of the Congo have a wide variety of customs, traditions, and values. They vary from place to place and group to group, especially when it comes to living in urban areas and rural areas. Therefore the etiquette rules differs depending on where a person lives.
Congolese that live in urban areas tend to have more Western customs and traditions. It is important to greet each other, and inquire about each others situation before other matters are discussed. Greetings consists of speaking, shaking their hands, and smiling. In the rural areas, men and women do not shake hands. Men will shake the hands of other men. Some women will greet men by clapping their hands and bowing slightly.
When dining in the Congo hands should be washed before and after eating. People should only eat with their right hands, especially if they are eating with their fingers. Men and women use separate communal bowls; often, women may sit together. When eating out of a communal bowl, people eat from the space directly in front of them. When utensils are used, the left hand holds the fork and the right hand holds the knife.
Dressing in the Congo is greatly influenced by the Western world, however, they are mixed with traditional clothing such as kikwembe, abacos, or a dashiki. The nicer a person look, the more respect he or she will receive. Jewelry is often made from wood, ivory bones, or shells. Many people in rural areas walk barefoot, but sandals and slippers are commonly worn.
What connection is made between how a person dresses and how he is treated in the Congo?

Accepted Answer

A) Specific traditional clothing indicates class in the Congo and dictates social privileges. 
B) The nicer a person is dressed, the more respect he or she will receive. 
C) Those who wear kikwembe or abacos are considered more traditional and given more respect. 
D) Clothes are not important in the Congo and it makes no difference how one is dressed. 
A) Specific traditional clothing indicates class in the Congo and dictates social privileges. 
B) The nicer a person is dressed, the more respect he or she will receive. 
C) Those who wear kikwembe or abacos are considered more traditional and given more respect. 
D) Clothes are not important in the Congo and it makes no difference how one is dressed.

Question 10

"The California Right to Know Genetically Modified Food Act" known as Proposition 37 will require food manufacturers to label food with genetically modified ingredients (GMOs). If the bill passes, it will be the first law in the United States that required GMO labeling. Some European countries already mandate GMO labeling, but efforts to pass legislation in the United States have met resistance. Over a dozen other states have failed to pass proposed labeling laws. Food manufacturer argue that the bill is unnecessary because GMO are safe. They believe labeling will drive up food costs and will confuse consumers. Proponents of the legislation assert that consumers have a right to know what is in their food.
Genetic modification, also called genetic engineering, the alteration of genetic material through processes not found in nature. Scientists use genetically modified organisms to protect crops. add variety to certain foods. Some people believe that the genetic modification of foods effects safety. Corporations that produce genetically modified foods point to hundreds of studies that show that they are safe. California voters will soon make a choice about GMO foods labels, and both sides are spending millions of dollars to influence their decisions. The result of the ballot initiative will reverberate throughout the nation.
Based on past efforts to legally require GMO labeling in other states, what can be inferred about the public's concern with GMOs?

Accepted Answer

A) The public is very concerned with GMOs and is attempting to draw attention to their use in food. 
B) The public does not understand the dangers of GMOs and is not making rational decisions about labeling. 
C) The public is easily misled by large corporations and is making uninformed choices. 
D) The public is not overwhelmingly concerned with GMOs and has not required labeling in any states thus far. 
A) The public is very concerned with GMOs and is attempting to draw attention to their use in food. 
B) The public does not understand the dangers of GMOs and is not making rational decisions about labeling. 
C) The public is easily misled by large corporations and is making uninformed choices. 
D) The public is not overwhelmingly concerned with GMOs and has not required labeling in any states thus far.

Question 11

Which course of action most improves the following sentence?
The novel affected great personal growth when I was a teenager; I have recommended it to a large number of teens since then.

Accepted Answer

A) Change teenager to teen-ager. 
B) Change the semicolon to a comma. 
C) Change number to amount. 
D) Change affected to effected. 
A) Change teenager to teen-ager. 
B) Change the semicolon to a comma. 
C) Change number to amount. 
D) Change affected to effected.

Question 12

Which veins return deoxygenated blood from the head to the heart?

Accepted Answer

A) Varicose 
B) Jugular 
C) Femoral 
D) Cranial 
A) Varicose 
B) Jugular 
C) Femoral 
D) Cranial

Question 13

Where is insulin manufactured?

Accepted Answer

A) In the cells of living tissue. 
B) In the lining of the small intestine. 
C) In the gall bladder. 
D) In the pancreas. 
A) In the cells of living tissue. 
B) In the lining of the small intestine. 
C) In the gall bladder. 
D) In the pancreas.

Question 14

Etiquette, which is sometimes unwritten, is a code that governs the expectations of social behavior of people. It usually reflects the cultures and traditions of countries. The Democratic Republic of the Congo is the second largest country in African. It is also known as Congo (Kinshasa) or DRC. With over 200 ethnic groups represented the people of the Congo have a wide variety of customs, traditions, and values. They vary from place to place and group to group, especially when it comes to living in urban areas and rural areas. Therefore the etiquette rules differs depending on where a person lives.
Congolese that live in urban areas tend to have more Western customs and traditions. It is important to greet each other, and inquire about each others situation before other matters are discussed. Greetings consists of speaking, shaking their hands, and smiling. In the rural areas, men and women do not shake hands. Men will shake the hands of other men. Some women will greet men by clapping their hands and bowing slightly.
When dining in the Congo hands should be washed before and after eating. People should only eat with their right hands, especially if they are eating with their fingers. Men and women use separate communal bowls; often, women may sit together. When eating out of a communal bowl, people eat from the space directly in front of them. When utensils are used, the left hand holds the fork and the right hand holds the knife.
Dressing in the Congo is greatly influenced by the Western world, however, they are mixed with traditional clothing such as kikwembe, abacos, or a dashiki. The nicer a person look, the more respect he or she will receive. Jewelry is often made from wood, ivory bones, or shells. Many people in rural areas walk barefoot, but sandals and slippers are commonly worn.
What is the main idea of this passage?

Accepted Answer

A) While etiquette differs in rural and urban areas, there are specific codes of behavior that should be adhered to in the Congo. 
B) Urban areas of the Congo follow etiquette that is very similar to that of western nations. 
C) Rural areas of the Congo are more traditional than urban areas. 
D) Codes of etiquette are slowly dying out in the Congo. 
A) While etiquette differs in rural and urban areas, there are specific codes of behavior that should be adhered to in the Congo. 
B) Urban areas of the Congo follow etiquette that is very similar to that of western nations. 
C) Rural areas of the Congo are more traditional than urban areas. 
D) Codes of etiquette are slowly dying out in the Congo.

Question 15

What is the perimeter of a rectangle that has 2 sides measuring 4 cm and 2sides measuring 6 cm?

Accepted Answer

A) 24 cm 
B) 10 cm 
C) 12 cm 
D) 20 cm 
A) 24 cm 
B) 10 cm 
C) 12 cm 
D) 20 cm

Question 16

When the three curves of your spine are balanced, you are considered to have good what?

Accepted Answer

A) Manners 
B) Physique 
C) Awareness 
D) Posture 
A) Manners 
B) Physique 
C) Awareness 
D) Posture

Question 17

Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
Many tourists fear terrorism and of being targeted by religious political parties.

Accepted Answer

A) of being targeted 
B) of targets 
C) agendas 
D) attacks 
A) of being targeted 
B) of targets 
C) agendas 
D) attacks

Question 18

Solve: 5²

Accepted Answer

A) 625 
B) 10 
C) 25 
D) 125 
A) 625 
B) 10 
C) 25 
D) 125

Question 19

What property of a metal refers to its ability to be hammered into sheets?

Accepted Answer

A) Ductility 
B) Thermal conductivity 
C) Electrical conductivity 
D) Malleability 
E) Density 
A) Ductility 
B) Thermal conductivity 
C) Electrical conductivity 
D) Malleability 
E) Density

Question 20

What is 1 ½ as a simple fraction in lowest terms?

Accepted Answer

A) 1/2 
B) 2/3 
C) 3/2 
D) 1)5 
A) 1/2 
B) 2/3 
C) 3/2 
D) 1)5

Exam 1: Health Occupations Basic Entrance (HOBE)