department of environmental management and toxicology
college of natural and applied sciences
western delta university
first semester examination 2022/2023 session
EMT101 - General Biology I time: 2hrs
answer ALL questions
Question 1
What are the seven levels of classification in order? (a) Kingdom, Phylum, Class, Order, Family, Genus, Species (b) Order, Phylum, Class, Family, Genus, Species, Kingdom (c) Family, Genus, Kingdom, Phylum, Class, Order (d) Class, Family, Kingom, Genus, Phylum, OrderQuestion 2
What is the smallest and most specific group in the classification system? (a) Species (b) Domain (c) Kingdom (d) GenusQuestion 3
Viruses can only reproduce inside a host cell. (a) True (b) FalseQuestion 4
A single celled prokaryote that lives in extremely hot thermal springs would be in which kingdom (a) Virus (b) Protista (c) Archaebacteria (d) EubacteriaQuestion 5
Plants make their own energy molecules (food) using photosynthesis. What do we call this type of organism? (a) Prokaryote (b) Eukaryote (c) Autotroph (d) HeterotrophQuestion 6
Unicellular organisms that lack a nucleus and other cellular organelles are known as _______Question 7
The most specific level of biological classification is: (a) Kingdom (b) Genus (c) Phylum (d) SpeciesQuestion 8
Why do we classify living things (a) To keep information private (b) To make finding information easier (c) To confuse students (d) To make animals healthierQuestion 9
What is taxonomy? (a) The study of naming and classify living things (b) Preserving dead organisms (c) The science of paying your taxes (d) Name of an animalQuestion 10
In a scientific name, what group does the FIRST name identify? (a) Genus (b) Species (c) Kingdom (d) DomainQuestion 11
In a scientific name, what does the SECOND name identify? (a) Genus (b) Species (c) Kingdom (d) DomainQuestion 12
What kingdom contains multicellular organisms that use photosynthesis to meet their energy demands? _______Question 13
Which of the following organelles of the cell houses the genetic material DNA? _______Question 14
What is correct among the following about ArchaeBacteria (a) All are photosynthetic (b) All are Halophiles (c) Oldest living organisms (d) All are fossilsQuestion 15
Which reproductory process takes place in most of the Bacteria? (a) Budding (b) Sexual (c) Binary Fission (d) SporulationQuestion 16
A Bacteria can withstand extreme dryness, heat and toxic chemicals and it is the indication to form (a) Endospores (b) Endotoxins (c) Thick peptidoglycan wall (d) Endogenous budsQuestion 17
Which of the following belongs to Monera (a) Amoeba (b) Escherichia (c) Gelidium (d) SpirogyraQuestion 18
Organisms that fix atmospheric nitrogen in the soil, comes under the category of (a) Bacteria (b) Green algae (c) Soil fungi (d) MossesQuestion 19
Decomposition of a large number of organic compounds are done by (a) Azotobacter (b) Chemolithotrophs (c) Mycoplasma (d) PseudomonasQuestion 20
An organism that is said to grow and multiply at 100-105°C temperatures belong to (a) Thermophilic sulfur Bacteria (b) Hot spring blue-green algae (c) Methanogenic archaeBacteria (d) Marine archaeBacteriaQuestion 21
Which of the following is the major role of Bacteria in the carbon cycle (a) Chemosynthesis (b) Digestion or breakdown of organic compounds (c) Photosynthesis (d) Assimilation of nitrogenous compoundsQuestion 22
Prokaryotic cells are (a) Cells lack organized (b) Cells that have a nucleus with cell wall and membrane (c) Cells that are free of ribosomes and DNA (d) Cells that do not have a membrane or flagellumQuestion 23
Hierarchical classification and Binomial nomenclature are proposed by (a) Carolus Linnaues (b) Robert Whittaker (c) Carl Woese (d) None of the aboveQuestion 24
Which kind of bacteria is pictured? (a) Coccus (b) Bacillus (c) Spirilla (d) FlagellatedQuestion 25
Part A is used for movement, what is it? (a) Flagella (b) Capsule (c) Pseudopods (d) PlasmidQuestion 26
Which protist is this? (a) Amoeba (b) Paramecium (c) Plasmodium (d) SpirogyraQuestion 27
Kingdom Protista includes organism like (a) Amoeba, Euglena and Diatoms (b) Amoeba, Euglena and Penicillium (c) Amoeba, Spirogyra and Pencillium (d) Euglena, Spirogyra and PeniciliumQuestion 28
Contractile Vacuole is present in (a) Marine protozans (b) Fresh water protozoans (c) Both A & B (d) Parasitic protozansQuestion 29
Sleeping sicknes in man is caused by trypanosome by the bite of infective (a) Male tse-tse fly (b) Female tse-tse fly (c) Both Male and Female tse-tse fly (d) Male and Female Aedes mosquitoQuestion 30
A major evolutionary advancement exhibited by protozoan cell as contrasted with Bacterium is _______ (a) Formation of permeanle Cell membrane (b) Presence of nucleus (c) Presence of extensive systems of cytoplasmic organells (d) Both b and cQuestion 31
The mode of nutrition in Paramecium is (a) Holozoic (b) Saprozoic (c) Saprophytic (d) HolophyticQuestion 32
The most widely accepted theory of locomotion in Amoeba is (a) Rolling movement theory (b) Surface tension theory (c) Contraction hydraulic theory (d) Mast's sol-gel theoryQuestion 33
In Dinoflagellates, the reserve food is (a) Fucoxanthin (b) Starch (c) Alginic acid (d) MannitolQuestion 34
The Protist that reproduces both by binary fission and conjugation is (a) Amoeba (b) Euglena (c) Paramecium (d) MonocystisQuestion 35
Linchens are well known combination of _______Question 36
Fungi differ from algae in having (a) Chlorophyll (b) Starch as reserve food (c) Cell wall made up of cellulose (d) Cell wall made up of chitin and celluloseQuestion 37
Thread like filaments of fungi are known as (a) Conidia (b) Mycorrhiza (c) Sporangium (d) HyphaeQuestion 38
Algal fungi are placed in (a) Ascomycetes (b) Basidiomycetes (c) Phycomycetes (d) DeuteromycetesQuestion 39
Reserve food material of fungi is (a) Glucose (b) Glycogen (c) Protein (d) StarchQuestion 40
One of the common fungal diseases of man is (a) Cholera (b) Plague (c) Ringworm (d) TyphoidQuestion 41
In Mucor, asexual reproduction takes place by (a) Motile zoospores (b) Spores (c) Zoogametes (d) ZygosporesQuestion 42
The main difference between human cheek cells and onion peel cells is (a) Presence of cell wall in onion peel cells (b) Presence of mitochondria in onion peel cells (c) Absence of endoplasmic membrane in cheek cells (d) Absence of the plasma membrane in cheek cellsQuestion 43
The organelle serving as a primary packaging area for molecules that will be distributed throughout the cell is (a) Vacuole (b) Plastids (c) Mitochondria (d) Golgi apparatusQuestion 44
Animal cells are interconnected by (a) Plasma membrane (b) Cell wall (c) Desmosome (d) PlamodesmataQuestion 45
The cell theory is not applicable to (a) Fungi (b) Algae (c) Virus (d) MicrobesQuestion 46
Ribosomes are sites for _______Question 47
The cell wall of a plant is composed of _______Question 48
The full form of writing DNA is _______Question 49
Plasma membrane is made up of which organic molecules? (a) Carbohydrates (b) Vitamins (c) Lipids and Proteins (d) RoughageQuestion 50
Which of the organelles stores energy in the form of ATP molecules and is also responsible for cellular respiration _______Question 51
This jellylike substance inside the plasma membrane in which all cell organelles are floating is _______Question 52
The first organ to form in a developing foetus is the _______Question 53
Which plant kingdom can survive both on land and in the water? (a) Tracheophyta (b) Pteridophyta (c) Thallophyta (d) BryophytaQuestion 54
The most primitive vascular plant is the _______Question 55
Pteridophytes differ from mosses in (a) Independent gametophyte (b) Dependent gametophyte (c) Flagellate antherozoids (d) Independent and dominant sporophyteQuestion 56
Angiosperms are the dominant flora because of (a) Domestication by man (b) Power of adapting in diverse habitats (c) Self-pollination property (d) Property of producing a large number of seedsQuestion 57
Plants reproducing by spores are grouped under (a) Bryophytes (b) Sporophytes (c) Cryptograms (d) ThallophytesQuestion 58
Double fertilization is the characteristic of _______Question 59
The first plants to inhabit the land are _______Question 60
Vascular bundles are not found in (a) Gymnosperms (b) Pteridophytes (c) Angiosperms (d) BryophytesQuestion 61
Fungi feed by secreting _______ on its host.Question 62
All living things move from one place to another (displacement) True / FalseQuestion 63
Kingdom Monera is split into two sub-kingdoms _______ and _______Question 64
The primary function of the Xylem in plants is for _______Question 65
The most common spores produced by algae are _______Question 66
Naming organisms into generic and specific names is known as _______ systemQuestion 67
Write properly using scientific rule: panthera tigrisQuestion 68
Match the following classes of algae to their common names:Chlorophyceae Brown algae Phaeophyceae Red algae Rhodophyceae Green algae