SCI 115 Quiz 3

09 Jun SCI 115 Quiz 3

Question

Question 1

1.

Cartilaginous fishes detect their prey by sensing

Answer

all of these are correct

pressure changes

odors

electrical currents

4 points

Question 2

1.

Insects have 3 pairs of legs attached to the

Answer

head

antennae

thorax

abdomen

4 points

Question 3

1.

Which of the following is NOT a feature of mammals?

Answer

milk producing glands

ectothermic

hair

four chambered heart

4 points

Question 4

1.

Which of the following is not an arachnid?

Answer

scorpion

stage beetle

spider

tick

4 points

Question 5

1.

Which of the following is not an adaptation of birds to facilitate flight?

Answer

Modified forelimbs

Air sacs

Well developed bladder

bones with air cavities

4 points

Question 6

1.

Which of the following is a bilaterally symmetrical hermaphroditic acoelomate?

Answer

Earthworm

Planarian

Sponge

Jellyfish

4 points

Question 7

1.

In a monocot stem

Answer

Xylem and phloem are in bndles scattered throughout the stem

There is an organized cortex and pith present

Xylem forms a star in the center, with phloem between the points of the star

Xylem and phloem are in a ring surrounding the pith

4 points

Question 8

1.

Why does phloem need a living companion cell while xylem doesn’t?

Answer

To passively transport sugar into the lumen

To actively tranport sugar in the lumen

to actively transport water into the vasculature

to facilitate the movement of water and minerals

4 points

Question 9

1.

According to the pressure-flow model, sugar is actively transported into the phloem…

Answer

creates pressure to move water toward the roots.

is transported out of the leaves through stomata.

water follows by osmosis, creating a pressure gradient that moves sugar along.

enters the xylem where it is moved toward the leaves due to transpiration.

4 points

Question 10

1.

The embryo of a flowering plant can be found in the

Answer

seed.

pollen.

microspore.

anther.

4 points

Question 11

1.

Which of the following is NOT a feature of the epidermis?

Answer

contains a matrix.

may be stratified.

contains keratin for strength.

composed of epithelial cells.

4 points

Question 12

1.

Which of the following is most likely to line the lumen of a hollow organ?

Answer

Nervous tissue

Epithelial tissue

Connective tissue

Muscle tissue

4 points

Question 13

1.

Which of the followingn is a type of loose connective tissue?

Answer

Tendons

All of these are correct

Adipose tissue

Ligaments

4 points

Question 14

1.

Which of the following blood components assists in blood clotting?

Answer

Plasma

Platelets

Leukocytes

Red blood cells

4 points

Question 15

1.

Which of the following is NOT a type of muscle tissue?

Answer

Smooth

Skeletal

Pleural

Cardiac

4 points

Question 16

1.

Which of these demonstrates the concept of homeostasis?

Answer

There more red blood cells than white blood cells.

Muscle tissues specialized to contract

Normal body temperature is maintained at about 37o C.

The fat pad that sits behind the knee cap.

4 points

Question 17

1.

Which of the following is a striated, involuntary muscle tissue?

Answer

Cardiac

Skeletal

None of these

Smooth

4 points

Question 18

1.

Which organ system does NOT participate in transport?

Answer

Both cardiovascular and lymphatic systems

Cardiovascular system

Respiratory system

Lymphatic system

4 points

Question 19

1.

The “master gland” which controls most of the other endocrine glands is the

Answer

Thyroid gland

Pancreas

Adrenal glands

Pituitary gland

4 points

Question 20

1.

Decreased death rate followed by a decreased birth rate has occurred in

Answer

Neither MDCs nor LDCs

Both MDCs and LDCs

MDCs

LDCs

4 points

Question 21

1.

If the prereproductive and reproductive members fo a population exceeds the number of postreproductive members of the population will

Answer

be impossible to predict

grow

remain stable

decline

4 points

Question 22

1.

Detritus always contains

Answer

decaying logs

animal carcasses

bacteria and fungi

leaf litter

4 points

Question 23

1.

Any alteration of the environment in an undesirable way is…

Answer

sewage.

biodegeneration.

deforestation.

pollution.

4 points

Question 24

1.

Which of the following is NOT caused by the action of auxin?

Answer

Abscission of leaves

accelerated root development

phototropism

apical dominance

4 points

Question 25

1.

Minerals contained in rocks are considered members of this component of an ecosystem.

Answer

niche

community

reservoir

population

4 points

Question 26

1.

The process of ____________________transforms solar energy into chemical energy.

Answer

photosynthesis

metabolism

homeostasis

reproduction

respiration

4 points (Extra Credit)

Question 27

1.

Why do cells need buffering agents?

Answer

to minimize the changes in pH of their internal environment

to help transfer electrons from one atom to another

to increase the amount of OH- in their surroundings

to operate at a constant pH of 2.0

to carry out life functions in extremely acidic conditions

4 points (Extra Credit)

Question 28

1.

What is the name of the type of bonding occurring between the figures of atoms (an electron is transferred from one atom to another creating 2 oppositely charged atoms with a very strong attraction for each other).

Answer

Hydrogen

Isotope

Covalent

A.Ionic.

Atomic

4 points (Extra Credit)

Question 29

1.

If one physical trait is affected by two or more pairs of alleles it is called ______.

Answer

codominance

incomplete dominance.

homozygous dominant.

multiple allele.

polygenic inheritance.

4 points (Extra Credit)

Question 30

1.

What is the only situation that will allow for a male calico cat?

Answer

William’s syndrome

stupid cats!! who cares?

Klinefelter’s syndrome

cri-du-chat syndrome

trisomy 21

4 points (Extra Credit)

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