Continued depletion of the ozone layer will most likely result in

an increase in skin cancer among humans

a decrease in atmospheric pollutants

an increase in marine ecosystem stability

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

higher levels of carbon dioxide in the atmosphere

lower levels of ozone in the atmosphere

lower levels of nitrogen in the atmosphere

higher levels of oxygen in the atmosphere

Which statement is characteristic of reproduction in humans?

The reproductive cycles of males and females are regulated by hormones.

The reproductive cells of males and females differ in chromosome number.

Males and females produce gametes in the ovaries.

Males and females produce the same number of gametes.

The diagram below represents the formation of a cancerous growth. Which statement best explains the events represented in this diagram?

A gene mutation caused abnormal mitotic cell division

A gene mutation caused the cells to become muscle cells.

The growth resulted from the introduction of a vaccine.

The growth resulted from uncontrolled meiotic cell division.

Five different living organisms are represented below. Which statement about the organisms represented above is correct?

All of the organisms pass on traits through reproduction.

All of the organisms are autotrophs.

Only the flowering plant, green heron, and aquatic plant carry out photosynthesis.

Only the frog and green heron can maintain homeostasis

The diagram below represents an important biological technique scientists rely on to produce replacement hormones. Which two processes are required for the technique to successfully produce hormones?

replication of DNA in bacterial cells and cell division

replication of DNA in bacterial cells and gamete formation

Acid rain is a major problem in the Adirondack Mountains. Evidence that acid rain negatively affected the Adirondack ecosystem is that

there has been a decrease in the variety of fish found in Adirondack lakes

this rain has increased the amount of water in Adirondack lakes

the amount of carbon dioxide in the air over the Adirondack Mountains has drastically decreased in recent years

the number of heterotrophic organisms in Adirondack lakes has increased

How is the control group treated differently than the experimental group?

The control group does not get the variable

The control group has multiple variables.

The control gets half the variable.

The control groups gets twice the of variable.

Put the following in order of increasing: centimeter, millimeter, meter, micrometer.

Micrometer, millimeter, centimeter, meter

Millimeter, micrometer, meter, centimeter

Meter, millimeter, centimeter, micrometer

Centimeter, millimeter, micrometer, meter

What is needed to make experimental results valid?

Do multiple tests Have a large sample size

Do a couple tests with different sample sizes

One successful test with a small sample size

A couple successful tests with published results

Why does an object appear larger under high power?

Smaller field of view Higher magnification (x40)

Larger field of view Lower magnification (x10)

Smaller field of view Lower magnification (x10)

Larger field of view Higher magnification (x40)

living environment regents review

Quiz

•

Science

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS2-5, HS-LS3-2, HS-LS1-3

+21

Standards-aligned

Ed Dyer

Used 367+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A vaccine contains...

cow pox

a small amount of the pathogen that is weakened or dead

a large amount of the pathogen

small pox

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Disease-causing microorganism, such as a bacterium or virus.

pathogen

allergen

prion

antigen

Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants

inherited identical mutations

share a common ancestry

were exposed to the same type of radiation in the past

were cloned from a caffeine plant

The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred?

mitosis

direct harvesting

succession

selective breeding

Which substance is an inorganic molecule?

water

starch

DNA

fat

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The technique used to separate the DNA for analysis is

genetic engineering

chromatography

electrophoresis

protein synthesis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.

experimental group

control group

data

variables

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50 questions

A vaccine contains...

Disease-causing microorganism, such as a bacterium or virus.

Caffeine is a compound found in the seeds of many different plants, such as coffee beans, cola nuts, and cacao beans (the source of chocolate). The presence of this chemical in all three types of plants suggests that these plants

The corn we eat today is larger and has more kernels than the corn people first grew thousands of years ago. Which process is most likely responsible for the changes that have occurred?

Which substance is an inorganic molecule?

The technique used to separate the DNA for analysis is

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.

A __________ includes all living and non-living things in an environment.

Which group do fungi, bacteria, and termites belong to?

Which organism make their own food through the process of photosynthesis?

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