Other Biology Answers

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

20 The ------------- are the first group of eukaryotic organisms
Archaebacteria
Eubacteria are single celled organisms
Protists
bacterias

16 Angiosperms are referred to as -------------- plants
flowering
seedless
hibiscus
algal

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

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

13 Eubacteria have prokaryotic chromosomes, which have circular DNA molecules called
plasmids
chlorophyll
pyrenoids
chloroplast

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

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

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

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

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

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

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

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

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

5 One of the following is not classified among the phyla of archae?
Polychaeota
Crenarchaeota
Nanoarchaeota
Eurychaeota

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

1 Insects belong to the phylum
nematoda
arthropoda
mollusca
annelida

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

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

19 Which of these is not an amphibian?
Frogs
Skates
salamanders
Newts

20 Which of the following have naked moist skin?
Mammals
Aves
Pisces
Amphibians

16 Cold-blooded animals are also known as ---------- animal
poikilothermic
homoiothermic
thermometric
carcinogenic

17 Which of these does the fish use in detecting movements and changes in water pressure?
gills
fins
swim bladder
lateral line
18 Which of these group of animals made the first transition from aquatic to the terrestrial mode of life?
mammals
pisces
amphibians
reptiles

13 Which of the following is not an example of a cartilaginous fish?
Sharks
Skates
Rays
Tilapia

14 Which of these is an example of a bony fish?
Sharks
Skates
Carp
Rays

15 Which of these is an example of jawless fishes?
Carp
Lamprey
Tilapia
Skates