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Biology Quiz on BIO 111 Practice Exam 2, created by anajaneee . on 25/10/2016.

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BIO 111 Practice Exam 2

Question 1 of 20

1

Prokaryotic (no nucleus), circular DNA, does not go thru meiosis/mitosis, not haploid/diploid, reproduction by binary fission, smallest life form, ancient life form, extreme habitat diversity

Select one or more of the following:

  • Kingdom Plantae

  • Kingdom Monera

  • Kingdom Animalia

Explanation

Question 2 of 20

1

Life from Kingdom Monera reproduce by binary fission.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 20

1

Cell wall of eubacteria is composed of:

Select one of the following:

  • chitin

  • peptidoglycen

  • cellulose

Explanation

Question 4 of 20

1

An ENDOSPORE is a swelling in the middle or end of a cell that allows it to survive extreme conditions. Some endospores produce deadly toxins and new cells.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 20

1

BOTULISM means it cannot be killed by normal boiling.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 20

1

The steps of gram staining include:

Select one or more of the following:

  • 1. samples stained with crystal violet dye and iodine

  • 2. samples are rinsed with alcohol

  • 3. samples are stained with red dye

Explanation

Question 7 of 20

1

Gram positive-purple stains mean

Select one of the following:

  • simpler cell walls AND large amounts of peptidoglycan

  • structurally more complex AND less amounts of peptidoglycan

Explanation

Question 8 of 20

1

Gram negative-pink stains mean

Select one of the following:

  • simpler cell walls and large amounts of peptidoglycan

  • more complex cell walls and less peptidoglycan

Explanation

Question 9 of 20

1

CYANOBACTERIA

Select one or more of the following:

  • cells walls made of peptidoglycan

  • much larger than eubacteria

  • phycobilins aka photosynthetic accessories

Explanation

Question 10 of 20

1

Examples of cyanobacteria include Nostac and Oscillataria.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 20

1

ARCHAEBACTERIA...

Select one or more of the following:

  • some have simple photosynthesis with no O2 byprdouct

  • cell wall types vary (carbohydrate, protein)

  • unique plasma membrane

  • extreme hostile habitats

Explanation

Question 12 of 20

1

Fill the blank spaces to complete the text.

Methanogens are a type of bacteria that produce methane gas. They are obligate . is methane bacteria that contributes to the 30% of methane gas in the atmosphere.

Explanation

Question 13 of 20

1

Extreme halophiles are salt loving.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 20

1

Fill the blank space to complete the text.

Extreme halophiles are salt loving and are obligate .

Explanation

Question 15 of 20

1

Extreme thermophiles are heat loving and obligate anarobes.

Select one of the following:

  • True
  • False

Explanation

Question 16 of 20

1

Fill the blank spaces to complete the text.

Nostac is a -fixing bacteria. It has a special cell called a heterocyte that fixes the element while other cells photosynthesize.

Explanation

Question 17 of 20

1

Eubacteria that can fix nitrogen live in root nodules of legume plants.

Select one of the following:

  • True
  • False

Explanation

Question 18 of 20

1

Select from the dropdown lists to complete the text.

( Mutualism, Commensalism, Parasitism ) is where both organisms benefit. ( Commensalism, Mutualism, Parasitism ) is where one organism benefits and the other is unaffected. ( Parasitism, Mutualism, Commensalism ) is when one organism benefits while the other is harmed.

Explanation

Question 19 of 20

1

The site of photosynthesis is the chloroplast.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 20

1

The mitochondria organelle is the site for respiration.

Select one of the following:

  • True
  • False

Explanation

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