Use the table below to answer the question Object Mass Time of Fall A 5.0g 2.0 sec B 5.0g 1.0 sec C 30.g 0.5 sec D 35.0g 1.5 sec Which of the following conclusions is supported by the data?
A. Object A and B fall at the same rate
B. The time of fall is independent of the mass of the object
C. The greater the mass of an object, the faster it will fall
D. Air resistance is greater for A than for B
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Objects A and B have the same and are subjected to the same gravitational pull. However, object B falls faster than A. This is due to a greater air resistance for A than B.
Therefore, the Correct Answer is D.
More Questions on TEAS 7 Science Exam 5
Question 1:
A slice of apple left on a table slowly goes brown due to an enzymatic reaction. Dipping the apple slice in lemon juice prevents it from browning Which of the following best explains this result?
A. Lemon juice has enzymes which reverse the browning reaction
B. Lemon juice has a pH which inactivates the enzymes
C. Lemon juice functions to bleach the brown material
D. Lemon juice functions to dilute the brown material
The Correct Answer is B.Browning of the apple surface is due to the action of the enzyme polyphenol oxidase. Lemon juice is acidic and lowers the pH of the apple's surface. This inactivates the enzyme polyphenol oxidase, which works best at a neutral pH. This in turn reduces the browning action on the apple.
Question 2:
Which of the following molecules contains the fewest covalent bonds?
A. Chlorine molecule
B. Ammonia molecule
C. Methane molecule
D. Water molecule
The Correct Answer is A.A chlorine molecule contains the fewest covalent bonds among the options provided. It consists of two chlorine atoms bonded together by a single covalent bond. Compared with the other options, ammonia has three covalent bonds, methane has 4 while water has 2.
Question 3:
Which of the following nucleotides is only found in RNA?
A. Guanine
B. Thymine
C. Uracil
D. Adenine
The Correct Answer is C.Uracil is the nucleotide that is only found in RNA. The other nucleotides are found in both DNA and RNA
Question 4:
Which of the following respiratory structures is affected by a disease that disrupts gas exchange, such as emphysema?
A. Trachea
B. Secondary branch
C. Primary bronchi
D. Alveoli
The Correct Answer is D.Question 5:
Which structure of the female reproductive system is the source of the blood and mucosal tissue during menstruation? (You will find hot spots to
Select in the image below. Select only the hot spot that corresponds to your answer.
A.
B.
C.
D.
The Correct Answer is B.The inner lining of the uterus is the source of blood and mucosal tissue that is shed during menstruation.
Question 6:
Which of the following correctly orders structures from simple to complex?
A. Organs, tissues, cells, atoms
B. Cell, tissues, atoms, organs
C. Atoms, organs, tissues, cells
D. Atoms, cells, tissues, organs
The Correct Answer is D.Rationale
Atoms are the smallest and most basic units of matter, and they can combine to form molecules. Cells are the basic units of life, and they are made of molecules. Tissues are groups of cells that work together to perform a specific function, such as muscle tissue or nerve tissue. Organs are collections of tissues that form a larger structure.
Question 7:
The hip is an example of which of the following type of joints?
A. Ball-and-socket
B. Pivot
C. Gliding
D. Hinge
The Correct Answer is A.The hip joint is an example of a ball-and-socket joint. The hip joint is formed by the articulation of the head of the femur with the acetabulum of the pelvis. The rounded head of the femur (ball) fits into the cup-shaped acetabulum (socket), allowing for a wide range of motion in multiple planes.
Question 8:
Which of the following is an example of a biological macromolecule?
A. Nucleic acid, Protein
B. Monosaccharide
C. Amino and
D. Protein
The Correct Answer is A.Biological macromolecules are large organic molecules such as carbohydrates, lipids, nucleic acids, and proteins. They are built from smaller molecules, which are linked commonly by covalent bonds, and these can be broken down.
Question 9:
Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule?
A. Locus
B. Promoter
C. Operator
D. Gene
The Correct Answer is D.A gene is a segment of DNA that codes for a specific protein or polypeptide.
Question 10:
Which of the following distinguishes endocrine and exocrine glands from another?
A. The presence or absence of ducts
B. The effect their secretions have on the target cells
C. The biochemistry of their secretions
D. The presence or absence of nerve innervation
The Correct Answer is A.Exocrine glands secrete their products into ducts that carry them to the target organs. In contrast, endocrine glands secrete their products directly into the bloodstream, which carries them to target cells throughout the body.