Grade 11 Biology Quiz: Plant and Animal Organ Systems and Their Functions

Questions and Answers

Which system in plants is responsible for producing hormones that regulate growth and development?

Endocrine system

What is the primary function of the nervous system in animals?

To control muscular movements

Which of the following is an example of chemical control in plants?

Tropism

What is the role of the nervous system in regulating the body's response to stress?

To stimulate the adrenal glands to produce adrenaline Signup and view all the answers

Which of the following is an example of nervous control in animals?

The contraction of muscles during exercise Signup and view all the answers

Match the following organ systems with their primary functions:

Nervous System = Transmit and process information Hormone System = Regulate growth and development Circulatory System = Transport oxygen and nutrients Digestive System = Break down nutrients into absorbable forms Signup and view all the answers

Match the following types of control with their descriptive characteristics:

Chemical Control = Involves the transmission of electrical impulses Nervous Control = Involves the transmission of chemical signals Hormonal Control = Involves the transmission of electrical impulses Neurotransmitter Control = Involves the transmission of chemical signals Signup and view all the answers

Match the following plant organs with their primary functions:

Roots = Absorb water and minerals from the soil Stems = Provide structural support and transport materials Leaves = Conduct photosynthesis and gas exchange Flowers = Produce seeds and fruits Signup and view all the answers

Match the following animal organs with their primary functions:

Brain = Interprets and processes sensory information Heart = Pumps blood throughout the body Lungs = Exchange oxygen and carbon dioxide Liver = Filters toxins and waste from the blood Signup and view all the answers

Match the following types of stimuli with their respective responses:

Temperature = Thermoregulation Light = Phototropism Touch = Tactile response Sound = Auditory response Signup and view all the answers

Study Notes

Plant Organ Systems and Their Functions

Plants have two main organ systems: root system and shoot system
Root system consists of roots, tubers, and bulbs, responsible for absorption, storage, and anchorage
Shoot system consists of stems, leaves, and flowers, responsible for photosynthesis, support, and reproduction

Plant Chemical Control

Plants respond to stimuli through chemical signals, such as hormones and growth regulators
Hormones regulate growth, development, and responses to environment, including auxins, gibberellins, cytokinins, and ethylene
Plant growth regulators, such as auxin, promote cell elongation and differentiation

Animal Organ Systems and Their Functions

Animals have several organ systems, including nervous, circulatory, respiratory, digestive, excretory, and endocrine systems
Each organ system performs specific functions necessary for maintaining homeostasis and overall health

Nervous Control in Animals

Nervous system consists of central nervous system (CNS) and peripheral nervous system (PNS)
CNS integrates and processes information, while PNS transmits and receives signals
Nervous control involves neural signals, neurotransmitters, and hormone regulation to respond to stimuli and maintain homeostasis