Bio lab safety and organism test

True or false: A larger sample size is better for research purposes

True or false: A larger sample size is better for research purposes

True

An experiment is done by a group of students evaluating the effects of different colors of light and how they impact Crayfish growth. The colors red, blue, green, and white are

used. The experiment fails, what is the most likely reason why?

a. Crayfish die when exposed to light

b. The crayfish were in a pH of 7

c. The water was not dechlorinated

d. none of the above

C. The water was not dechlorinated

Planarians are…

a. Sexually reproductive and Herbivores

b. Asexually reproductive and Carnivores

c. Asexually Reproductive and Heribviores

d. Sexually reproductive and Carnivores

e. B and D are correct

f. A and C are correct

E. both sexually and asexually reproductive and carnivorous

Caterpillars, Earthworms, and Planarians all have this in common…

a. Require Springwater for care

b. Liquid Diet, consisting mainly of sugar

c. Reproduce Asexually

d. Do not like to be exposed to light for a long period of time

A. require springwater for care

(b applies to caterpillars and c and e apply to earthworms and planarians)

What research article might you read if you want to study the movement of planarians?

a. The parasitic nature of planarians

b. The genes that code for microtubules found in cilia

c. Planarian digestion compared to earth worms

d. The rate of planarian reproduction under varying pH levels

e. None of the above

B. The genes that code for microtubules found in cilia

Gregor Mendel is super excited that he just set up his experiment for 1105. Gregor is

studying whether Daphnia reproduce faster when exposed to various types of music

genres. Gregor has three 1-gallon containers filled with bottled water of pH 8. Each with

15 Daphnia in each container. Gregor goes home and comes back to lab three days later. When he checks on his Daphnia, they have all died. What might have caused the Daphnia to unintentionally die?

a. The Daphnia ate each other

b. A pH level of 8 was too high

c. The containers were too big

d. Gregor used Dasani bottled water

e. None of the above

D. Gregor used dasani water

If you spilled a chemical with this Globally Harmonized System (GHS) symbol on it, which type of hazard does it represent?

a. Gas Cylinder

b. Exclamation Mark

c. Corrosion

d. Exploding Bomb

C. Corrosion

Which of these is NOT the correct organism food match?

a. Daphnia: Algae

b. Crayfish : Egg Yolk

c. Crayfish: fish pellets

d. Planarians: Egg Yolk

e. Egg yolk and fish pellets are acceptable food for these organisms

B. Crayfish : egg yolk

Which of these shouldn’t be on a Research Poster?

a. Methods & Materials

b. Abstract

c. Discussion Only

d. Conclusion Only

d. Conclusion Only

What does this image this tell you?

Health: 3, Flammability: 4, Instability: 1

Parts of a Research Poster need to include

a. Literature cited in alphabetical order

b. Italicized species names

c. Results in summary format

d. The hypothesis

e. All of the Above

e. All of the Above

An Introduction should not…

a. Define the problem

b. Review the literature

c. State the hypothesis

d. Give your life story

e. Two of the above

d. give your life story

(her study guide says both review literature and give life story, but harvill’s guide on canvas says otherwise)

When caring for snails, which of the following should you take into consideration

a. Making sure there are salts in the soil

b. Allow the snails to maintain a low calcium diet to prevent variables in your research

c. The use of tap water to reduce cost will not affect the experiment

d. Avoid feeding them acidic foods

e. All of the above are correct

d. Avoid feeding them acidic foods

What are the four Rs of Chemical Spills?

Rinse, remove, remedy, report

What pH do zooplankton live in?

a. 4

b. 6

c. 10

d. 8

e. Zooplankton have the ability to thrive in ph levels between 2-12

d. 8

Why is the Bosque Watershed Important?

a. It is the stream of water that flows beside the BSB by the A wing

b. It supplies freshwater only at Stephenville

c. It’s not important or relevant to the Lake Waco Wetlands (this is wrong, so don’t pick this answer)

d. It supplies freshwater through Central Texas and the Lake Waco Wetland

d. It supplies freshwater through Central Texas and the Lake Waco Wetland

What order does this organism belong to?

a. Crayfish

b. Isopoda

c. Nephrops norvegicus

d. Daphnia

e. None of the above

b. Isopoda

Stock organisms need an aerator

a. True

b. False

a. True

9. What is SWIM for?

a. The Beach

b. Chemical Spills

c. Chemical Exposure

d. Eye protection

b. Chemical Spills

What provides snail shells its rigidness?

a. Potassium cation

b. Nitrogen

c. Boron

d. Calcium

e. Two answers are correct

d. Calcium

What is wrong with this title? “Microorganisms and soil physico-chemical conditions in the drilosphere of Lumbricus Terrestris”

a. The whole name is italicized

b. The species name should not be capitalized

c. The genus name should not be capitalized

d. Two of the answers are correct

e. There is nothing wrong with the title

b. The species name should not be capitalized

What organisms do they test the water quality on after the water goes through a water treatment facility?

a. Planarians

b. Crayfish

c. Daphnia

d. Isopods

e. None of the above

c. Daphnia

. Which of the following are true of isopods:

I. Isopods prefer dry climates

II. Isopods are vertebrates

III. Isopods are insects

IV. Isopods are hemiptera

a. I,II,III,IV

b. IV only

c. I & IV

d. I,II,III

e. None of the above

E. None of the above

(Her answer key says d but pretty sure isopods prefer humid environments not dry. II and III are correct)

What should you do with the empty container/bottle when you finish using a chemical

a. Give it to an LA

b. Immediately dispose of the container in the correct waste bin

c. Let Dr. Harvill know which chemical and show him the barcode

d. Place the empty container back on the shelf

e. Wash out the bottle and recycle it

c. Let Dr. Harvill know which chemical and show him the barcode

Properties of water include___?

a. Makes only two hydrogen bonds

b. Density increases in solid state

c. Decreases in volume in solid state

d. Density decreases in solid state

e. Two of the above

d. density decreases in solid state

Which of the following explains how planarians react to light?

a. Positive phototaxis

b. Negative phototaxis

c. Positive geotaxis

d. Negative geotaxis

e. None of the above

B. negative photoaxis

Dr. Harvill is using snails for his experiment. Dr. Harvill runs out of snail food. Which of the following should he use to feed the snails?

a. Eggshells

b. Salt

c. Onions

d. Both A. and C

a. eggshells

What do each of the colors mean?

Red: fire

blue: health

yellow: reactive

white: specific

What does this signify?

Health hazard

What does this signify?

flame

What does this signify?

gas cylinder

What does this signify?

flame over circle - oxidizers

What does this signify?

environment - non mandatory

what does swim stand for in chemical spills?

stop the spill, warn others, isolate the area, minimize exposure

What order do daphnia belong?

Anomopoda

What order do planarians belong?

Tricladida

What order does caterpillars belong?

Lepidoptera

What order do crayfish belong?

Decapoda

What order do earthworms belong to?

Haplotaxids

What order do snails belong to?

Achatinoidea

What pH do all the other organisms besides daphnia prefer?

7