Biology Basics Quiz

Question 1

What did scientists observe using the earliest microscopes?

Accepted Answer

tiny organisms

Question 2

Which is present only in eukaryotic cells?

Accepted Answer

nucleus

Question 3

DNA stores

Accepted Answer

hereditary information.

Question 4

Amino acids are the building blocks of which macromolecule?

Accepted Answer

protein

Question 5

Which of the following shows the correct sequence of the cell cycle?

Accepted Answer

G1 → S → G2 → mitosis → cytokinesis

Question 6

The region of a chromosome where two sister chromatids are held together is called a

Accepted Answer

centromere.

Question 7

The genetic material that provides instructions for making proteins is

Accepted Answer

DNA.

Question 8

The process by which organisms make more of their own kind is called

Accepted Answer

reproduction.

Question 9

Living things do all of the following except

Accepted Answer

pass an identical genetic code to their offspring for many generations.

Question 10

Budding is an example of

Accepted Answer

asexual reproduction.

Question 11

An organism’s genetic information is stored in which type of macromolecule?

Accepted Answer

DNA

Question 12

Which of the following do scientists not use to support ideas?

Accepted Answer

opinions

Question 13

Sexual reproduction includes

Accepted Answer

fertilization

Question 14

Organisms that are not autotrophs

Accepted Answer

must consume other organisms to get energy.

Question 15

What results from the removal of a phosphate group from ATP?

Accepted Answer

the release of energy

Question 16

Scientific hypotheses are most often tested by the process of

Accepted Answer

experimenting.

Question 17

The process of producing offspring is called reproduction and can be

Accepted Answer

asexual or sexual.

Question 18

Which might you study in a biology course?

Accepted Answer

communication among birds

Question 19

Scientists build theories from many

Accepted Answer

experiments that support hypotheses.

Question 20

Tasha is testing the effect of blue-colored light on the growth of tomato plants. The independent variable is

Accepted Answer

light color

Question 21

Atoms are not composed of

Accepted Answer

chemical bonds

Question 22

Chromatids are

Accepted Answer

joined strands of duplicated genetic material.

Question 23

Which type of molecule forms the cell membrane?

Accepted Answer

phospholipid

Question 24

Which is the negatively charged particle located outside the nucleus of an atom?

Accepted Answer

electron

Question 25

ATP is composed of a nitrogenous base, a sugar, and

Accepted Answer

three phosphate groups.

Question 26

Children tend to resemble their parents due to

Accepted Answer

heredity.

Question 27

One difference between prokaryotes and eukaryotes is that prokaryotes do not have

Accepted Answer

a nucleus.

Question 28

Biology is the study of

Accepted Answer

life.

Question 29

Which of the following is unethical behavior in scientific investigations?

Accepted Answer

reporting inaccurate data

Question 30

Cytokinesis in plant cells involves the formation of a

Accepted Answer

a cell plate.

Question 31

A hypothesis is a

Accepted Answer

testable possible explanation of an observation.

Question 32

Light energy is converted to chemical energy through the process of

Accepted Answer

photosynthesis.

Question 33

Most of the energy used by life on Earth comes from the

Accepted Answer

sun.

Question 34

A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining. This was a(n)

Accepted Answer

observation.

Question 35

____ represents a formula for a chemical compound.

Accepted Answer

H2O

Question 36

A planned procedure to test a hypothesis is called a(n)

Accepted Answer

experiment.

Question 37

Normal human males develop from fertilized eggs containing which of the following sex chromosome combinations?

Accepted Answer

XY

Question 38

Which best describes the purpose of science?

Accepted Answer

to explain the nature of things

Question 39

Which of the following is not a type of asexual reproduction?

Accepted Answer

fertilization

Question 40

In order to fit within a cell, DNA becomes more compact by

Accepted Answer

wrapping tightly around histones.

Question 41

Which of the following organisms do not carry out photosynthesis?

Accepted Answer

animals

Question 42

All of the following are important for working safely in a science laboratory except

Accepted Answer

tasting chemicals.

Question 43

Which particle in the nucleus of an atom has a neutral charge?

Accepted Answer

neutron

Question 44

Mitosis is the process by which

Accepted Answer

the nucleus is divided into two nuclei.

Question 45

ATP (adenosine triphosphate) stores energy in the bonds between its

Accepted Answer

phosphate groups.

Question 46

A person studying a topic is presented with new information that conflicts with previous findings. The scientist should

Accepted Answer

evaluate the new information

Question 47

Which is an inference?

Accepted Answer

After watching a plant for a week, you determine it needs more sunlight.

Question 48

The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called

Accepted Answer

metaphase.

Question 49

Because of photosynthesis,

Accepted Answer

the atmosphere is rich in oxygen gas.

Question 50

A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a(n)

Accepted Answer

polar molecule.

Question 51

The organelles associated with plant photosynthesis are the

Accepted Answer

chloroplasts.

Question 52

Which organelle converts sugars into energy?

Accepted Answer

mitochondrion

Question 53

Which of the following results from quantitative analysis of Figure 1-1?

Accepted Answer

There are 8 offspring.

Question 54

The first three phases of the cell cycle are collectively known as

Accepted Answer

interphase.

Question 55

What is a possible benefit of studying plants in the rain forest?

Accepted Answer

The plants may hold medicines to treat human diseases.

Biology Basics Quiz

Questions 55

Biology Basics Quiz

Questions 55