Question 1

Which particles make up the subatomic level?

Accepted Answer

Protons, neutrons and electrons

Answer

Atoms, molecules and ions

Answer

Tissues, organs and systems

Answer

Macromolecules and viruses

Question 2

What does the term "biogenic elements" refer to at the atomic level?

Accepted Answer

Atoms that make up living beings

Answer

Types of cells

Answer

Groups of tissues that form organs

Answer

Entire organ systems

Question 3

Are CHONPS the only important elements necessary for living systems?

Accepted Answer

False — other elements (e.g., Na, Ca, K, trace elements) are also present

Answer

False — only CHONPS and noble gases are needed

Answer

True — plus oxygen only

Answer

True — CHONPS cover all functions

Question 4

Which molecule is identified in the PDF as the most important molecule for living systems?

Accepted Answer

Water

Answer

Oxygen

Answer

Sodium chloride (NaCl)

Answer

DNA

Question 5

Which of the following is an organic biomolecule listed in the document?

Accepted Answer

Proteins

Answer

Oxygen gas

Answer

Mineral salts

Answer

Water

Question 6

Macromolecules result from the union of which building blocks?

Accepted Answer

Monomers such as amino acids and nucleotides

Answer

Whole cells and tissues

Answer

Populations and communities

Answer

Subatomic particles

Question 7

How are viruses described in the PDF?

Accepted Answer

Unions of proteins with nucleic acids

Answer

Purely lipid structures

Answer

Large multicellular organisms

Answer

Collections of independent cells

Question 8

What is the smallest structural unit of living beings that performs hereditary functions?

Accepted Answer

The cell

Answer

The tissue

Answer

The atom

Answer

The organ

Question 9

What advantage do multicellular organisms have over unicellular organisms according to the worksheet?

Accepted Answer

They can do more complex things

Answer

They always live longer

Answer

They are single-celled

Answer

They require no energy

Question 10

Why don't unicellular organisms have more than one type of cell?

Accepted Answer

Because a single cell can perform all of life's essential processes

Answer

Because they are made of tissues

Answer

Because they prefer simple lives

Answer

Because they are always multicellular

Question 11

What is a tissue?

Accepted Answer

A group of similar cells organized to perform a specific function

Answer

A single molecule that carries genetic information

Answer

A kind of subatomic particle

Answer

A group of ecosystems

Question 12

What is the primary function of ground tissue in plants?

Accepted Answer

To provide structure and support to the plant

Answer

To absorb nutrients from the soil

Answer

To transport water and nutrients

Answer

To conduct photosynthesis only

Question 13

Where is epidermal tissue found on a plant?

Accepted Answer

On the outer surfaces

Answer

Deep inside the plant

Answer

Only inside the roots

Answer

Plants do not have epidermal tissue

Question 14

In animals, which structures function similarly to plant vascular tissue?

Accepted Answer

Veins and arteries

Answer

Fur and feathers

Answer

The skeleton

Answer

The skin

Question 15

Why is a leaf considered an organ in a plant?

Accepted Answer

Because it is made of more than one type of tissue

Answer

Because it is temporary

Answer

Because plants have many leaves

Answer

Because it can photosynthesize

Question 16

What is an organ system?

Accepted Answer

A group of organs that work together to perform important body functions

Answer

A group of molecules

Answer

A single organ performing all tasks

Answer

A set of populations in a habitat

Question 17

How can a malfunctioning organ affect its organ system?

Accepted Answer

If one organ isn't working properly, the entire organ system may be affected

Answer

Only two organs can influence a system

Answer

Organ systems work independently always

Answer

Organs never affect other organs

Question 18

How is a population defined in the PDF?

Accepted Answer

A group of organisms of the same species that can interbreed and coexist in time and space

Answer

All organisms plus abiotic factors in an area

Answer

A single individual organism

Answer

A set of different species living together

Question 19

What is a community according to the worksheet?

Accepted Answer

A set of populations of different species that coexist in time and space

Answer

An individual organism's organs

Answer

A single species group

Answer

A non-living environment

Question 20

What does an ecosystem include beyond the living community?

Accepted Answer

The non-living environment (climate, chemicals, geological conditions)

Answer

Only the biosphere

Answer

Only the populations

Answer

Only a single species and its predators

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