Biology Organisation: Learn the Structure and Function of Living Organisms

Question 1

Which cells are responsible for transmitting electrical signals in the nervous system?

Accepted Answer

Neurons

Answer

Erythrocytes

Answer

Osteocytes

Answer

Epithelial cells

Question 2

Diffusion is a process characterized by:

Accepted Answer

Molecules moving from an area of high concentration to an area of low concentration

Answer

Molecules moving from an area of low concentration to an area of high concentration

Answer

Molecules moving randomly in all directions

Answer

Molecules being transported across a cell membrane by active transport

Question 3

Identify the option that is NOT a function of the digestive system.

Accepted Answer

Exchanging gases

Answer

Digesting food

Answer

Absorbing nutrients

Answer

Regulating blood sugar levels

Question 4

Which level of organization is NOT included in the following list?

Accepted Answer

Populations

Answer

Cells

Answer

Tissues

Answer

Organs

Question 5

Which of the following correctly lists the levels of organization in living organisms, starting from the smallest unit of life?

Accepted Answer

Cell, tissue, organ, organ system

Answer

Organ system, organ, tissue, cell

Answer

Tissue, cell, organ, organ system

Answer

Organ, tissue, cell, organ system

Question 6

In which organ system does the exchange of nutrients and waste products between the blood and cells primarily occur?

Accepted Answer

Circulatory

Answer

Respiratory

Answer

Digestive

Answer

Nervous

Question 7

Which of the following represents the correct order of organization from the smallest to the largest level in living organisms?

Accepted Answer

Cell, tissue, organ, organ system, organism

Answer

Organism, organ system, organ, tissue, cell

Answer

Organ, tissue, cell, organ system, organism

Answer

Cell, organ, tissue, organ system, organism

Question 8

Which type of tissue is primarily responsible for protection, secretion, and absorption?

Accepted Answer

Epithelial

Answer

Connective

Answer

Muscle

Answer

Nervous

Question 9

In which organ system does the breakdown of complex food molecules into simpler components primarily take place?

Accepted Answer

Digestive

Answer

Circulatory

Answer

Respiratory

Answer

Nervous

Question 10

Which of the following tissue types is specialized for transmitting electrical signals and coordinating body functions?

Accepted Answer

Nervous tissue

Answer

Epithelial tissue

Answer

Connective tissue

Answer

Muscle tissue

Question 11

The primary function of the nervous system is to:

Accepted Answer

Coordinate and control body functions

Answer

Pump blood throughout the body

Answer

Digest food

Answer

Produce hormones

Question 12

Which of the following is NOT a level of organization in living organisms?

Accepted Answer

Ecosystem

Answer

Cell

Answer

Tissue

Answer

Organ

Question 13

Identify the smallest unit of life that can perform all necessary life functions independently.

Accepted Answer

Cell

Answer

Atom

Answer

Tissue

Answer

Organ

Question 14

Which option is not a recognized type of body tissue?

Accepted Answer

Mitochondria

Answer

Epithelial tissue

Answer

Connective tissue

Answer

Muscle tissue

Question 15

Which organ system holds the primary responsibility for coordinating and regulating the body's overall functioning?

Accepted Answer

Nervous system

Answer

Circulatory system

Answer

Musculoskeletal system

Answer

Digestive system

Question 16

Identify the organelle within cells that is responsible for protein synthesis.

Accepted Answer

Ribosome

Answer

Mitochondria

Answer

Nucleus

Answer

Golgi apparatus

Question 17

Which muscle tissue type is found in the heart's structure?

Accepted Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Voluntary muscle

Question 18

Which of the following is not a recognized function of the skeletal system?

Accepted Answer

Producing hormones

Answer

Providing support and protection

Answer

Facilitating movement

Answer

Storing minerals

Question 19

Which component of a neuron is crucial for transmitting electrical signals?

Accepted Answer

Axon

Answer

Dendrite

Answer

Soma

Answer

Myelin sheath

Question 20

Which of the following is the fundamental unit of life?

Accepted Answer

Cell

Answer

Tissue

Answer

Organ

Answer

Organ system

Question 21

Which level of organization in multicellular organisms consists of groups of cells that perform a specific function?

Accepted Answer

Tissue

Answer

Organ

Answer

Organ system

Answer

Cell

Question 22

The circulatory system is primarily responsible for:

Accepted Answer

Transporting oxygen and nutrients throughout the body

Answer

Protecting the body from infection

Answer

Maintaining body temperature

Answer

Producing hormones

Question 23

Which term describes the ability of an organism to maintain a relatively stable internal environment despite external changes?

Accepted Answer

Homeostasis

Answer

Adaptation

Answer

Evolution

Answer

Respiration

Question 24

The structure of an organ is closely aligned with its:

Accepted Answer

Function

Answer

Location

Answer

Size

Answer

Color

Question 25

Which of the following is NOT a defining characteristic of living organisms?

Accepted Answer

Inertness

Answer

Organization

Answer

Reproduction

Answer

Growth

Question 26

The simplest and smallest type of cell is known as a:

Accepted Answer

Prokaryotic cell

Answer

Eukaryotic cell

Answer

Animal cell

Answer

Plant cell

Question 27

Which cellular structure is responsible for protein synthesis and is found in both prokaryotic and eukaryotic cells?

Accepted Answer

Ribosome

Answer

Mitochondria

Answer

Golgi apparatus

Answer

Nucleus

Question 28

The process by which plants use sunlight to convert carbon dioxide and water into energy is called:

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Cellular respiration

Answer

Fermentation

Question 29

Rank the following levels of biological organization from smallest to largest: cell, tissue, organ, organ system, organism.

Accepted Answer

Cell, tissue, organ, organ system, organism

Answer

Organism, organ system, organ, tissue, cell

Answer

Tissue, organ, organ system, organism, cell

Answer

Cell, organ, tissue, organism, organ system

Question 30

Which type of cell division produces genetically identical daughter cells?

Accepted Answer

Mitosis

Answer

Meiosis

Answer

Binary fission

Answer

Budding

Question 31

Which statement is NOT part of the cell theory?

Accepted Answer

Living organisms are composed of non-living matter.

Answer

All life consists of cells.

Answer

Cells are the fundamental unit of life.

Answer

All cells originate from existing cells.

Question 32

A collection of similar cells performing a specific function is referred to as a:

Accepted Answer

Tissue

Answer

Organ

Answer

Organ system

Answer

Cell type

Question 33

The primary organ responsible for pumping blood throughout the body is the:

Accepted Answer

Heart

Answer

Brain

Answer

Lungs

Answer

Stomach

Question 34

The organ system that plays a crucial role in regulating body temperature is the:

Accepted Answer

Integumentary system

Answer

Respiratory system

Answer

Endocrine system

Answer

Nervous system

Question 35

Homeostasis is the process of maintaining a:

Accepted Answer

Dynamic equilibrium within the internal environment

Answer

Fixed internal environment regardless of external changes

Answer

Constantly changing internal environment in response to external stimuli

Answer

Random fluctuation of the internal environment

Question 36

Cellular respiration, the process that generates energy for cells, primarily occurs in which organelle?

Accepted Answer

Mitochondria

Answer

Cellular membrane

Answer

Golgi apparatus

Answer

Nucleus

Question 37

The primary site for protein synthesis within cells is the:

Accepted Answer

Ribosomes

Answer

Nucleus

Answer

Golgi apparatus

Answer

Endoplasmic reticulum

Question 38

Which of the following is NOT a component of a eukaryotic cell?

Accepted Answer

Cell wall

Answer

Cytoplasm

Answer

Nucleus

Answer

Cell membrane

Question 39

Which organelle is primarily responsible for protein synthesis?

Accepted Answer

Ribosome

Answer

Mitochondrion

Answer

Golgi apparatus

Answer

Lysosome

Question 40

Which organ system is responsible for controlling and coordinating the body's functions?

Accepted Answer

Nervous system

Answer

Circulatory system

Answer

Digestive system

Answer

Respiratory system

Question 41

Which concept describes the regulation of an organism's internal environment within a narrow range of optimal conditions?

Accepted Answer

Homeostasis

Answer

Adaptation

Answer

Stimulus

Answer

Evolution

Question 42

Within the hierarchical organisation of living organisms, which level is the most complex?

Accepted Answer

Organ system

Answer

Cellular

Answer

Tissue

Answer

Organ

Question 43

What is the fundamental unit of life?

Accepted Answer

Cell

Answer

Tissue

Answer

Organ

Answer

Organ system

Question 44

Which of the following is NOT a level of organisation in multicellular organisms?

Accepted Answer

Population

Answer

Cellular

Answer

Tissue

Answer

Organ

Question 45

Which organ system is primarily responsible for gas exchange in humans?

Accepted Answer

Respiratory system

Answer

Circulatory system

Answer

Digestive system

Answer

Nervous system

Question 46

Which specialised cell type is found in the pancreas and produces hormones?

Accepted Answer

Beta cells

Answer

Red blood cells

Answer

Neurons

Answer

Osteocytes

Question 47

What is the largest organ in the human body in terms of surface area?

Accepted Answer

Skin

Answer

Liver

Answer

Brain

Answer

Heart

Question 48

The process by which organisms adjust to changes in their surroundings is known as:

Accepted Answer

Adaptation

Answer

Acclimation

Answer

Homeostasis

Answer

Evolution