KAHOOT EXAM 3 Flashcards
Which of the following is NOT a component of a feedback loop?
a) Control center
b) Effector
c) Sensor
d) Regulator
d) Regulator
What are angiosperms’ most recent evolutionary relatives?
a) Gymnosperms
b) Mosses
c) Ferns
d) Cyanobacteria
a) Gymnosperms
Secondary growth in plants results in:
a) Increase in stem length
b) Increase in root length
c) Increase in girth
d) Increase in leaf size
c) Increase in girth
What type of meristem is responsible for producing cork cells in woody plants?
a) Apical meristem
b) Secondary Xylem
c) Vascular cambium
d) Cork cambium
d) Cork cambium
Which type of neurons transmit signals from sensory neurons to motor neurons?
a) Sensory neurons
b) Motor neurons
c) Interneurons
d) Peripheral neurons
c) Interneurons
Which tissue is responsible for transporting sugars produced in the leaves to other parts of the plant?
a) Xylem
b) Phloem
c) Epidermis
d) Parenchyma
b) Phloem
Stratified squamous epithelium is found in areas subject to mechanical stress, such as the skin.
True
False
True
Which part of a neuron is responsible for receiving signals from other neurons?
a) Axon
b) Dendrites
c) Cell body
d) Myelin sheath
b) Dendrites
What determines if a neuron will fire an action potential?
a) Membrane potential reaching threshold
b) Neurotransmitter release
c) Axon length
d) Presence of myelin sheath
How do electrical impulses cross from one neuron to another?
a) Through synaptic ion exchange
b) Through gap junctions
c) Through neurotransmitter release and reception
d) Through action potential propagation
c) Through neurotransmitter release and reception
The gray matter in the CNS is mostly composed of cell bodies.
True
False
True
What region of the brain allows you to understand body language?
a) Cerebral cortex
b) Reticular formation
c) Thalamus
d) Hypothalamus
a) Cerebral cortex
Which of the following is a characteristic of dicots?
a) Parallel leaf veins
b) Scattered vascular bundles
c) Ring of vascular bundles
d) One cotyledon
c) Ring of vascular bundles
What tissue system in plants is responsible for photosynthesis?
a) Dermal
b) Vascular
c) Ground
d) Epidermal
c) Ground
What type of feedback loop works to amplify changes away from homeostasis?
a) Negative feedback
b) Neutral feedback
c) Reinforcing feedback
d) Positive feedback
d) Positive feedback
What is the function of meristems in plants?
a) Absorption of water and nutrients
b) Photosynthesis
c) Cell division and growth
d) Gas exchange
c) Cell division and growth
Which type of neuron carries signals from the central nervous system to glands?
a) Sensory neurons
b) Motor neurons
c) Interneurons
d) Relay neurons
b) Motor neurons
What is the function of the stomata in leaves?
a) Gas exchange
b) Water absorption
c) Photosynthesis
d) Protection against pathogens
a) Gas exchange
Which of the following brain regions is most associated with breathing?
a) Cerebellum
b) Hippocampus
c) Limbic System
d) Pons
d) Pons
What division of the PNS is responsible for the Fight or Flight responce?
a) Parasympathetic
b) Somatic
c) Sensory
d) Sympathetic
d) Sympathetic
As you fold a piece of origami, what division of the PNS is allowing you to move your fingers?
a) Sympathetic
b) Parasympathetic
c) Somatic
d) Autonomic
c) Somatic
Many signals from sensory neurons resulting in one signal from an interneuron is called divergence.
True
False
False, convergence
What is the ion that triggers neurotransmitter exocytosis?
a) Na+
b) K+
c) Cl-
d) Ca2+
d) Ca2+
Which of the following tissues is multi-nucleated?
a) Skeletal muscle
b) Smooth muscle
c) Cuboidal epithelial
d) Cardiac muscle
a) Skeletal muscle
Which of the following brain regions is most associated with muscle memory?
a) Medulla
b) Cerebellum
c) Hypothalamus
d) Cerebral Cortex
b) Cerebellum
The essential nutrients that plants need from soil are:
a) Na, P, and Fe
b) K, N, and P
c) Na, K, and C
d) K, N, and O
b) K, N, and P
In a neuron performing saltatory conduction, voltage-gated channels are mostly found:
a) Within the myelin
b) At the axon terminals
c) On the Nodes of Ranvier
d) On the dendrites
c) On the Nodes of Ranvier
Cork cells are:
a) Living at maturity
b) Impermeable to water
c) Capable of photosynthesis
d) Found in the center of stems
b) Impermeable to water
Neurons controlled by the parasympathetic division of the PNS use acetylcholine as an excitatory neurotransmitter.
True
False
False, inhibitory
