August 2024 Living Environment Regents Questions 21-30 Question Preview (ID: 63444)

The Questions In This Practice Exam Are Thoughtfully Crafted To Assess Your Knowledge And Skills. They Cover A Range Of Topics And Formats, Offering A Valuable Opportunity For Self-assessment And Preparation. TEACHERS: click here for quick copy question ID numbers.

Answers? Play games to get them!

A relatively large number of antibodies in a blood sample would most likely indicate that there is

a) an infection in the body

b) a mutation in the lung

c) a deficiency of carbon dioxide in the circulatory system

d) an insufficient amount of a specific vitamin in the diet

Ultraviolet light can alter the DNA segments of genes in the skin cells of an individual. Which statement best describes a direct result of these alterations?

a) Any cells produced from the altered skin cells will have the same alterations.

b) All the offspring of the individual will have the same skin cell alterations.

c) These alterations will spread to all the other cells in the body.

d) The sex cells of the individual will have the same alterations.

The energy required to assemble proteins and fats is directly supplied to body cells from

a) all the colors of visible light

b) molecules of ATP contained within the cells

c) all the DNA found in sex cells

d) molecules of carbon dioxide produced by chloroplasts

There are over 200 different cell types in the human body. Each type of cell is specialized to carry out a particular function, but they all developed from the same single cell. This is because each type of cell

a) contains different genes than the other types of cells

b) destroys the genes found in the other types of cells

c) expresses some genes not expressed in the other cell types

d) lacks the genes found in the other cell types

If the amount of plastic present on coral reefs continues to increase, it is likely that the

a) coral will adapt to the presence of the plastic and thrive

b) microbes will adapt to living directly on the coral

c) algae that live on the reef will begin to decompose the dying coral

d) species dependent on the coral will be negatively impacte

Enzymes, antibodies, and receptor molecules all have different functions. However, they are alike in that they

a) all are involved in cellular respiration

b) have a shape that is specific to their function

c) are classified as carbohydrates

d) are important in animals but not plants

Before the survival gene could be passed on to any offspring, the genetic material present in the parent with the “toad-avoiding gene” would have to be

a) mutated to become a different gene

b) accurately replicated

c) genetically engineered

d) changed through recombination

Scientists have cloned many animals, such as cows, sheep, and chickens, from a single cell. Which natural process is most similar to these cloning techniques?

a) asexual reproduction

b) genetic recombination

c) chromosome mutations

d) gamete production

Within a sexually reproducing species, the correct chromosome number is maintained by

a) halving the chromosome number in gamete production, followed by fertilization

b) doubling the chromosome number in gamete production, followed by fertilization

c) halving the chromosome number during mitosis, followed by differentiation

d) doubling the chromosome number during mitosis, followed by differentiation

The special characteristics of the otters’ paws can be described as

a) a variation that eliminates the need for other senses otters normally possess

b) a variation that is unlikely to be passed on to offspring because it is not a genetic trait

c) an adaptation that could provide an advantage over the other organisms that they compete with for food

d) an adaptation that is most likely the result of a mutation in body cells of the ancestors of the otter

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 63444 in the upper right hand corner or click here.