BIO192: General Biology Practical 11 TMA1

 BIO192: General Biology Practical 11 TMA1

Instructions: Answer All .
After Submission, you will not be able to answer these questions

Question 1 : The ------------- are the first group of eukaryotic organisms
Eubacteria are single celled organisms
Protists
bacterias
Archaebacteria

---

Question 2 : Eubacteria have prokaryotic chromosomes, which have circular DNA molecules called
plasmids
pyrenoids
chlorophyll
chloroplast

---

Question 3 : Based on their habitat, archaebacteria live in extreme environmental condition such as
absence of oxygen
all of the options
absence of light
very high temperatures

---

Question 4 : Based on their structure, archaebacteria has all of these organelles except
all of the options
endoplasmic reticula
mitochondria
nuclei

---

Question 5 : Which of the following is not a diagnostic feature of the archaebacteria?
Their The cell wall is made up of glycoproteins and polysaccarides
non of the options
Archaebacteria have no peptidoglycan in their cell walls
They have a very different lipid bilayer making up the cell membranes

---

Question 6 : When stained with violet and red dye, gram-positive bacteria appear ----------
red
purple
black
green

---

Question 7 : One of the following is not classified among the phyla of archae?
Polychaeota
Nanoarchaeota
Eurychaeota
Crenarchaeota

---

Question 8 : Insects belong to the phylum
arthropoda
nematoda
annelida
mollusca

---

Question 9 : Based on their habitat, archaebacteria is grouped into all of the following except
Thermoacidiophiles
Halogens
Halophiles
Methanogens

---

Question 10 : Angiosperms are referred to as -------------- plants
flowering
seedless
hibiscus
algal

---

Question 11 : The essence of staining is to help in
recognizing the organism only
killing the organism
recognizing and identification of the organism
identifying the organism only

---

Question 12 : One of the following is not a procedure to stain bacteria for examination with light microscope
Air-dry the film by waving it around for a while
Make a smear of the bacteria culture
non of the options
Heat-fix the smear by waving it over a bunsen flame

---

Question 13 : Which of the following differentiates eubacteria from archaebacteria?
Eubacteria are single celled organisms
eubacteria has ten subunit RNA polymerase core
Eubacteria occur in various shapes
Peptidoglycan is present in eubacteria

---

Question 14 : Gram-negative bacteria appear_________________ when stained with violet and red dye.
red
green
blue
purple

---

Question 15 : The archaebacteria are non-pathogenic ------------- that live in and around other organisms
bryophytes
fungi
virus
bacterias

---

Question 16 : A "staphylo" bacteria have its cells arranged in ----------- like grapes.
pair
non of the options
chain
cluster

---

Question 17 : Which of the following is not an adaptive feature of eubacteria?
Outer membrane increases the potential surface area for photosynthesis
Capsule protects the cell against environmental dangers
Formation of endospore
Possession of true roots for anchorage

---

Question 18 : Apart from the outer membrane, many eubacteria have yet another coating layer called a
plasmallema
capsule
tablet
coatex

---

Question 19 : Which of these is a form or shape of archaebacteria?
spiral
cocci
bacilli
all of the options

---

Question 20 : Based on their cabon and energy sources, eubacteria are
photoautotrophic
all of the options
autotrophic
heterotrophic