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Biology II > KAHOOT EXAM 3 > Flashcards

KAHOOT EXAM 3 Flashcards

1
Q

Which of the following is NOT a component of a feedback loop?

a) Control center
b) Effector
c) Sensor
d) Regulator

A

d) Regulator

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2
Q

What are angiosperms’ most recent evolutionary relatives?

a) Gymnosperms
b) Mosses
c) Ferns
d) Cyanobacteria

A

a) Gymnosperms

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3
Q

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

A

c) Increase in girth

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4
Q

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

A

d) Cork cambium

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5
Q

Which type of neurons transmit signals from sensory neurons to motor neurons?

a) Sensory neurons
b) Motor neurons
c) Interneurons
d) Peripheral neurons

A

c) Interneurons

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6
Q

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

A

b) Phloem

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7
Q

Stratified squamous epithelium is found in areas subject to mechanical stress, such as the skin.

True
False

A

True

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8
Q

Which part of a neuron is responsible for receiving signals from other neurons?

a) Axon
b) Dendrites
c) Cell body
d) Myelin sheath

A

b) Dendrites

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9
Q

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

A
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10
Q

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

A

c) Through neurotransmitter release and reception

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11
Q

The gray matter in the CNS is mostly composed of cell bodies.

True
False

A

True

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12
Q

What region of the brain allows you to understand body language?

a) Cerebral cortex
b) Reticular formation
c) Thalamus
d) Hypothalamus

A

a) Cerebral cortex

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13
Q

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

A

c) Ring of vascular bundles

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14
Q

What tissue system in plants is responsible for photosynthesis?

a) Dermal
b) Vascular
c) Ground
d) Epidermal

A

c) Ground

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15
Q

What type of feedback loop works to amplify changes away from homeostasis?

a) Negative feedback
b) Neutral feedback
c) Reinforcing feedback
d) Positive feedback

A

d) Positive feedback

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15
Q

What is the function of meristems in plants?

a) Absorption of water and nutrients
b) Photosynthesis
c) Cell division and growth
d) Gas exchange

A

c) Cell division and growth

16
Q

Which type of neuron carries signals from the central nervous system to glands?

a) Sensory neurons
b) Motor neurons
c) Interneurons
d) Relay neurons

A

b) Motor neurons

17
Q

What is the function of the stomata in leaves?

a) Gas exchange
b) Water absorption
c) Photosynthesis
d) Protection against pathogens

A

a) Gas exchange

18
Q

Which of the following brain regions is most associated with breathing?

a) Cerebellum
b) Hippocampus
c) Limbic System
d) Pons

A

d) Pons

19
Q

What division of the PNS is responsible for the Fight or Flight responce?

a) Parasympathetic
b) Somatic
c) Sensory
d) Sympathetic

A

d) Sympathetic

20
Q

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

A

c) Somatic

21
Q

Many signals from sensory neurons resulting in one signal from an interneuron is called divergence.

True
False

A

False, convergence

22
Q

What is the ion that triggers neurotransmitter exocytosis?

a) Na+
b) K+
c) Cl-
d) Ca2+

A

d) Ca2+

23
Q

Which of the following tissues is multi-nucleated?

a) Skeletal muscle
b) Smooth muscle
c) Cuboidal epithelial
d) Cardiac muscle

A

a) Skeletal muscle

24
Q

Which of the following brain regions is most associated with muscle memory?

a) Medulla
b) Cerebellum
c) Hypothalamus
d) Cerebral Cortex

A

b) Cerebellum

25
Q

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

A

b) K, N, and P

26
Q

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

A

c) On the Nodes of Ranvier

27
Q

Cork cells are:

a) Living at maturity
b) Impermeable to water
c) Capable of photosynthesis
d) Found in the center of stems

A

b) Impermeable to water

28
Q

Neurons controlled by the parasympathetic division of the PNS use acetylcholine as an excitatory neurotransmitter.

True
False

A

False, inhibitory

Biology II (9 decks)

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