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Life Science 3.3 Practice

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Charlotte, Emma, and James were discussing human biology. Emma said, 'Humans like us are',

a)

systems.

b)

organisms.

c)

protists.

2.

Mia, Sophia, and Anika are observing different living things in their biology class. Can you help them classify every living thing they observe? Is it a(n)

a)

system

b)

organism

c)

animal

3.

Imagine Scarlett, Mason, and Oliver are biologists studying the behavior of large animals like elephants and whales. One advantage these large animals have compared to smaller organisms is that they have...

a)

larger cells.

b)

fewer predators.

c)

simpler functions.

4.

Sophia, Michael, and Arjun are studying the benefits of multicellular organisms. Which of the following is NOT a benefit of multicellular organisms compared to unicellular organisms?

a)

Their life is dependent on one cell

b)

They can specialize in different tasks

c)

They have fewer predators

5.

Emma, James, and Elijah are discussing the life span of a tree, a multicellular organism. They come up with different ideas. Which of the following statements is correct?

a)

The life span of a tree is only as long as the life of one leaf.

b)

The life span of a tree is shorter than that of a single-celled organism.

c)

The life span of a tree is not limited to the life of a single leaf.

6.

Imagine Emma, Aria, and Zoe are studying a pet dog. They are curious about what could significantly alter its life span. Can you help them pick the correct choice?

a)

Less than 10 hairs fall out during the same day

b)

100 hairs fall out from several different parts of its body

c)

Over a million (1,000,000) hairs fall out from the same small area

7.

Kai, Michael, and Abigail are studying biology. They are examining a slice of onion under a microscope and notice a group of cells that seem to be performing the same function. What does this group of cells make up?

a)

an organ system.

b)

a tissue.

c)

a structure.

8.

Kai, Liam, and Maya are studying for their biology test. They come across a chapter that explains how several organs working together form a(n)...

a)

tissue

b)

organ system

c)

organism

9.

Scarlett, Anika, and Aiden are on a field trip to a botanical garden. They come across a beautiful plant and Anika wonders, 'In which type of tissue does this plant perform photosynthesis?'

a)

nerve tissue

b)

muscle tissue

c)

ground tissue

10.

Ethan, Abigail, and Olivia are learning about plant cells in their biology class. They've discovered that chloroplasts perform photosynthesis. Can you help them figure out the name of the tissue where this exciting process takes place?

a)

bone

b)

nerve

c)

ground

11.

Evelyn, Mason, and Mia are studying biology together. They come across a question about the composition of an organ. Can you help them understand what an organ consists of?

a)

Two or more tissues.

b)

A group of cells.

c)

Two or more systems.

12.

Kai and Abigail are studying the human body in their biology class. They are trying to understand the composition of tissues. Can you help them? What do tissues consist of?

a)

cells

b)

organs

c)

organ system

13.

Imagine Ava, William, and Mia are studying for their biology test. They come across a term 'organ system' in their textbook. Can you help them understand what an organ system consists of?

a)

one kind of tissue.

b)

two or more organs.

c)

one main kind of cell.

14.

Priya, Rohan, and Michael are studying for their biology test. They come across a question about multicellular organisms. They understand that when certain organs work together, they form a certain organizational level. Can you help them figure out what this level is called?

a)

cells

b)

tissues

c)

organ system

15.

Imagine Mason, Priya, and Abigail are on a field trip to a forest reserve. They come across a simple multicellular organism under a microscope. What could this organism have?

a)

organs.

b)

specialized cells.

c)

systems.

16.

Imagine Oliver, Rohan, and Aria are explorers journeying through a dense jungle. They come across a creature, a simple organism, with eye spots that can detect light. What amazing process does this represent in their adventure?

a)

Specialization

b)

Respiration

c)

Digestion

17.

Aiden, Abigail, and David are studying for their biology exam. Aiden thinks the highest level of organization in the human body is the tissue, Abigail believes it's the organ, but David insists it's the organ system. Who is correct?

a)

Aiden - tissue.

b)

Abigail - organ.

c)

David - organ system.

18.

Imagine Maya, Abigail, and Rohan are microbiologists studying a single-celled organism under a microscope. What level of organization would they be observing that is also equal to the cellular level?

a)

organ

b)

organ system

c)

organism

19.

Aria, Benjamin, and Evelyn are in a biology class. Their teacher brings in a model of a human heart and asks them to discuss how the functions of the heart's parts are related to what? Can you help them answer this question?

a)

The structures of those parts.

b)

The systems of those parts.

c)

The alveoli of those parts.

20.

William, Michael, and Maya are designing a car for their engineering project. They are discussing about the design of their car. William believes that the design of an object is directly related to its... What do you think?

a)

function

b)

organizational level

c)

life span