Unit 1: Growth, Development, and Reproduction of Organisms

1.

Multiple Choice

45 sec

1 pt

Which type of cell uses energy to carry out life processes?

plant cell, only

animal cell, only

both a plant cell and an animal cell

neither a plant cell nor an animal cell

2.

Multiple Choice

45 sec

1 pt

In multicellular organisms, tissues are comprised of _______.

organs

systems

cells

blood

3.

Multiple Choice

45 sec

1 pt

When tissues come together, they form ___________.

cells

atoms

organs

systems

4.

Multiple Choice

45 sec

1 pt

A(n) _________ is made of small parts connected together to make a whole.

system

problem

evidence

illustration

5.

Multiple Choice

45 sec

1 pt

Water and carbon dioxide are waste products released as a direct result of

asexual reproduction

mechanical digestion

natural selection

cellular respiration

6.

Multiple Choice

45 sec

1 pt

The primary function of a plant’s roots is to

absorb water

perform photosynthesis

produce seeds

exchange gases

7.

Multiple Choice

45 sec

1 pt

Genes are a part of a

cell wall

chromosome

hormone

vitamin

8.

Multiple Choice

45 sec

1 pt

Compared to the amount of genetic information contained in a normal human body cell, the amount contained in a normal human sperm cell is

the same

twice as much

one-half as much

one-fourth as much

9.

Multiple Choice

45 sec

1 pt

A change in an animal’s DNA, leading to a variation in a species, is called

a mutation

an infection

selective breeding

sexual reproduction

10.

Multiple Choice

45 sec

1 pt

Which set of terms describes natural fertilization and development in humans before birth?

external fertilization, external development

external fertilization, internal development

internal fertilization, external development

internal fertilization, internal development

11.

Multiple Choice

45 sec

1 pt

A plant growing toward a light source is an example of an organism

attracting a mate

destroying infectious germs

responding to external stimuli

obtaining moisture from the air

12.

Multiple Choice

45 sec

1 pt

A cactus plant, a snake, and a hawk can be members of the same

community

kingdom

population

species

13.

Multiple Choice

45 sec

1 pt

Which substance in green plants needs to absorb sunlight during photosynthesis?

chlorophyll

cytoplasm

oxygen

water

14.

Multiple Choice

45 sec

1 pt

Cell division occurs as part of which process?

Energy in food is released.

A cut on a person’s finger heals.

A disinfectant destroys microbes.

The body eliminates wastes.

15.

Multiple Choice

45 sec

1 pt

Which cell structure is found in plant cells, but not in animal cells?

cell wall

nucleus

cell membrane

cytoplasm

16.

Multiple Choice

45 sec

1 pt

Amebas are single-celled organisms that need to obtain food in order to

release oxygen into the air

protect themselves from other living things

get the energy they need to carry out life functions

remove harmful chemicals from the environment

17.

Multiple Choice

45 sec

1 pt

Which term identifies a group of cells of the same type working together to perform a common function?

microbe

tissue

gene

hormone

18.

Multiple Choice

45 sec

1 pt

One function of the human excretory system is

making materials that the body cells need

moving substances to and from body cells

removing excess heat energy from the body

controlling the body’s responses to stimuli

19.

Multiple Choice

45 sec

1 pt

Which term is used to describe the sum of all the chemical processes in the human body?

equilibrium

metamorphosis

inheritance

metabolism

20.

Multiple Choice

45 sec

1 pt

Why is an organism that reproduces asexually genetically identical to its parent?

All of the offspring’s genes came from the parent.

All of the offspring’s genes mutated to look like the parent’s genes.

The offspring inherited only half of the parent’s genes.

The offspring inherited only the parent’s dominant genes.

21.

Multiple Choice

45 sec

1 pt

How many chromosomes exist in a sex cell?

12

46

48

23

22.

Multiple Choice

45 sec

1 pt

Abnormal cell division causes which health problem?

infection

aging

cancer

weight gain

23.

Multiple Choice

45 sec

1 pt

Organisms are classified as producers or consumers according to the way they

obtain energy

release wastes

produce offspring

move from place to place

24.

Multiple Choice

45 sec

1 pt

What causes infectious diseases in the human population?

allergic reactions

toxic chemicals

poor dietary habits

microorganisms

25.

Multiple Choice

45 sec

1 pt

A Calorie is a unit used to measure

energy

density

vitamins

mass

26.

Multiple Choice

45 sec

1 pt

A group of organs working together to perform a certain function is called

a system

water

a tissue

a cell

27.

Multiple Choice

45 sec

1 pt

Which structure’s main function is to produce food (sugar) in a plant?

flower

root

leaf

seed

28.

Multiple Choice

45 sec

1 pt

Which two human body systems work together to perform locomotion?

digestive and excretory systems

reproductive and circulatory systems

respiratory and endocrine systems

muscular and skeletal systems

29.

Multiple Choice

45 sec

1 pt

An organism that contains chloroplasts is able to produce food by the process of

photosynthesis

respiration

reproduction

digestion

30.

Multiple Choice

45 sec

1 pt

Which sequence lists the hereditary material found inside cells from the smallest unit to the largest unit?

chromosome → gene → nucleus

chromosome → nucleus → gene

gene → nucleus → chromosome

gene → chromosome → nucleus

31.

Multiple Choice

45 sec

1 pt

Which human activity would help reduce the amount of carbon dioxide in the atmosphere?

Energy in food is released.

A cut on a person’s finger heals.

A disinfectant destroys microbes.

The body eliminates wastes.

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