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WorksheetsBIODIVERSITY
Total questions: 67
Worksheet time: 34mins
E . Coli Bacteria , in which live in human intestine are shaped like tiny , sausage like structures known as
bacilli
vibrios
spirochetes
cocci
Which of the following is a difference between bacteria and archae
Archae are unicellular, band bacteria are colonial
The genes of bacteria have introns, while archae lack introns
They have different chemicals in their cell membranes and cell walls
Bacteria are autotrophic and archae are heterotrophic
Which of the following state the difference between algae and protozoans?
Algae are free living, and protoans are parasitic
Protozoans can move and algae cannot
Algae are photosynthetic and protozoans are heterotrophic
Protozoans are autotrophic and algae are heterotrophic
The cell walls of fungi are composed of
cellulose
lipids
glycogen
chitin
Which group of fungi have hypae that are multinucleate and not divided by septa?
monokaryotic
unicellular
ascomycete
coenocytic
The club fungi typically reproduce by producing
zygospores
ascospores
asci
basidia
Ferns are vascular plants. Why must they live in the same habitat as the non-vascular bryophytes?
the have spores
they lack cuticle
the have naked sperm
they have a dominant gametophyte generation
Algae must live in a damp habitat because they lack
cell walls
a cuticle
photosynthetic pigments
all of these
The green leafy fern plants are
sporophyte
haploid
gametophyte
non-vascular
Which of the following is a necessary adaptation for a plant living on land?
naked sperm
multicellular gametangia
sexual reproduction
alternation of generation
In mosses , the gametophyte is
the dominant generation
dependent on the sporophyte
independent from the sporophyte
all of these
What type of nuclear division in plants form gametes from the gametophyte
mitosis
fission
meiosis
all of these
Which of the following is NOT a characteristics of all animals?
They are multicellular
They have tissues, organs and organ system
They are eukaryotes
They ingest their food
Which of the following animals is not segmented?
leech
snail
human being
google-eye
Phylum _______includes the largest number of species
mollusca
arthropoda
annelid
chordata
The water vascular system of a sea star functions in
movement of tube feet
circulation of nutrients around the body
waste disposal
keeping all pars of the body moist at low tide
Which of the following structures can be found in an organism of the Fungi Kingdom?
Sorus
Prothallus
Rhizome
Mycelium
Which of the following animals has a radially symmetrical body, tube feet and calcareous endoskeleton
cockles
sponges
sea cucumber
garden snail
The five kingdoms proposed by R.H Whittaker are
Monera, Protista, Fungi, Plantae and Animalia
Monera , Protista, Fungi, Plantae and Chordata
Virus, Protista, Fungi, Plantae and Animalia
Virus, Protista, Fungi, Plantae and Chordata
The correct sequence of taxonomic categories in the hierarchical classification system is
kingdom-phylum –class-order –family-genus-species
kingdom-class-phylum –order-family –genus-species
kingdom—class-phylum-order-genus-species
kingdom –class-phylum-family-order-genus-species
High level of nitrates in aquatic environment can cause rapid growth of algae , which can subsequently reduce the aquatic oxygen level until it is no longer conducive to aquatic organism. This phenomenon is called
nitrification
eutrophication
pollution
denitrification
Chlamydomonas and Spirogyra are
green algae
brown algae
protista
blue-green algae
Every year more than one million people died of malaria. Which parasite is responsible for this disease?
Salmonella sp
Mycobacterium sp
Plasmodium sp
HIV
These organism have hyphae , no chlorophyll, digest food outside their body, and disperse by releasing spores from their fruiting bodies. They are classified under the kingdom.
Monera
Protista
Animalia
Fungi
Seed plants are classified into angiosperm and gymnosperm based on this characteristics
leaf venation
ovary wall
type of root
pollen grain
The floral part of most monocots are in multiple of
one
two
three
four
Which of the following is a vascular seed plant?
Zea Mays
Dryopteris sp
Funaria sp
Marchantia sp
Which animal phyla is associated with pseudocoelomate?
Nematoda
Porifera
Cnidaria
Platyhelminthes
Which of the following phyla of the animal kingdom has the following characteristics: no symmetry, no coelom and no segment?
Porifera
Nematoda
Cnidaria
Annelida
The most successful phylum in the animal kingdom , in terms of numbers and diversity of distributions is
mammalian
aves
annelid
arthropoda
Which of the following is the phylum for sponge?
Porifera
Cnidaria
Platyhelminthes
Arthropoda
What is the protective external skeleton such as that found in the arthropods?
Ectoderm
Mesoderm
Endoskeleton
Exoskeleton
Individuals in a coelenterate colony that have different body forms is an example of
radial symmetry
polymorphism
morphogenesis
polyploidy
Which of the following is an advantage of the coelom formation in the body of some annelids?
I The digestive system can move independently of the body wall: therefore peristalsis can occur everytime
II The coelom can acts as the main excretory organ because its fluid is able to eliminate waste products.
III The coelom is able to function as a hydrostatic skeleton that is able to change its shape without changing its volume
I only
I and II only
II and III only
I,II and III
A cross section of the body of animal has the following structures from the outer layer to the inside, chaetae, cuticle , epidermis, circular muscles, longitudinal muscles, nephridium, gut muscles and gut. This animal is from the phylum
Coelentrata
Nematoda
Mollusca
Annelida
What characteristics do green algae and plants have in common?
Accesory pigments and cell membrane composition
Accesory pigments and cell wall composition
Photosynthetic and accessory pigment composition
Photosynthetic and cell wall composition
Amphibia, Reptilia and Mammalia have similarities because all of them
A are unable to control their body temperature
have hearts with four chambers
have pharyngeal gill slits at an early stage of their development
are unable to control their body temperature
produce eggs that have shells
Which of the following statements are true about organism in the kingdom Prokaryotae?
I consists of bacteria and cynobacteria
II Some are photoautotrophs
III The genetic material is a single strands of DNA
IV Organelles are not presents
I and II
I, II and III
I, II and IV
Which of the following statements about the organism in the subkingdom algae are true?
I Some algae have true stem
II Some algae are heterotrophs
III Some algae have true roots
IV Some algae are motile
IV only
I and III
I, II and III
I, III and IV
Which of the following statements about organisms in the Kingdom Fungi are true?
I Cell wall mainly made of chitin
II Stores glycogen
III Some fungi are motile
IV Heterotrophs
I,II and III
I, II and IV
II, III and IV
I, II, III and IV
Fungi are not classified as plants because
they do not have cell walls
they produce asexual spores
they do not produce flowers
they do not have chlorophyll
Fungi can exist as
I saprotrophs
II autotrophs
III parasites
IV mutualists
I
I, II and III
I, III and IV
I, II and III
Which of the following statements are true about the plants in the phylum Bryophyta?
I They have true roots
II They are non-vascular plants
III Gametophyte generation is dominant
IV Sporogonium is the sporophyte generation
I, II and III
I, II and IV
II, III and IV
I, II, III and IV
Which of the following statements are true about Marchantia?
I Gametophyte generation is the flattened thallus
II Gametophyte generation attaches to the substratum using rhizome
III Gametophyte generation is lack cuticle
IV Gametophyte generation produces reproductive organs
I, II and III
I, III and IV
II, III and IV
I, II, III and IV
Which of the following statements are true about Dryopteris ?
I Vascular plants
II Prothallus is the gametophyte generation
III Sporophyte generation has underground stem called rhizome
IV Gametophyte generation lacks cuticle
I, II and III
I, II and IV
II, III and IV
I, II, III and IV
Which of the following statements are true about plants in the phylum Coniferophyta?
I Have cones as reproductive organs
II Ovules are not protected by ovary
III Seed is not protected by pericarp
IV Spores are dispersed by wind
I, II and IV
I, III and IV
II, III, and IV
I, II, III and IV
Which of the following explains the taxon relationship between Zea Mays and Pinus?
Same order , different families
Same class, different orders
Same phylum , different class
Same kingdom, different phylum
Which of the following are the characteristics of plants from the class Dicotyledoneae of the phylum Angiospermotophyta?
I In the stem, vascular bundles are arranged in a ring form
II In the roots, the xylem is located at the centre
III Tap roots
IV Floral parts are divisible by four or five
I, II and III
I, II and IV
II, III and IV
I, II, III and IV
Which of the following characteristics are not found in all vascular plants?
Dominant sporophyte generation
Production of seeds
Lignified xylem
Phloem tissue
Water exits a sponge through
Choanocytes
Amoebocytes
Spicules
Osculum
Cnidarians are the most primitive organism with
coelom
triploblastic body wall
excretory cells
nerve net
Which of the following are the characteristics of Obelia , of phylum Cnidaria?
I Exhibit polymorphism
II Have bilateral symmetry
III Diploblastic
IV Produce planula larvae
I, II and III
I, III and IV
II, III and IV
I, II, III and IV
Flatworms of the phylum Platyhelminthes are
diploblastic and acoelomates
triploblastic and acoelomates
triploblastic and pseudocoelomates
triploblastic and coelomate
Which of the following are the characteristics of organisms in the phylum Platyhelminthes?
I Unsegmented body
II Simple circulatory system
III Bilateral symmetry
IV Flame cells in excretory system
I, II and III
I, III and IV
II, III and IV
I, II, III and IV
Roundworms of the phylum Nematoda are
diploblastic and acoelomates
triploblastic and acoelomates
triploblastic and pseudocoelomates
triploblastic and coelomate
Which of the following statements is true for annelids and nematodes
All nematodes are parasites, while annelids are free living
Annelids have both longitudal and circular muscles, while nematodes have only longitudinal muscles
Annelids are unisexual, while neamtodes are hermaphrodites
Nematodes are coelomate, while annelids are acoelomate
The following are the characteristics of an organism in the phylum Arthropoda?
I Triploblastic
II Have jointed appendage
III Have a close circulatory system
IV Have compound eyes or simple eye
I, II and III
I, II and IV
II, III and IV
I, II, III and IV
The following are the characterictics of an organism
I have tube feet
II have a water vascular system
III adult has pentameric symmetry
Based on the charactericts above, the organism is classified under which phylum?
Mollusca
Echinodermata
Cnidaria
Porifera
Which of the following traits is not a characteristics of echinoderms?
Tube feet
Water vascular system
Sessile or slow moving animals
Muscular foot
Which of the following characteristics is not found in all chordates?
Post anal tail
Vertebral column
Pharyngeal slits
Dorsal nerve cord
The germ layer that gives rise to the outer covering of the body and the nervous system is
endoderm
ectoderm
mesoderm
gastrodermis
A true coelom is completely lined with
endoderm
ectoderm
mesoderm
gastrodermis
Which of the following is an advantage of having a jointed skeleton?
location for muscle attachment
support
flexibility
all of the above
Which of the following is not a characteristics of nematodes?
They play a key role as decomposer
They are psedocolomate
They are unsegmented
Their body is not protected by cuticle
Which of the following is the characteristics of an animal
I Multicellular eukaryote
II Heterotrophs
III An animals are able to move
I only
I and II only
II and III only
I, II and III
If two animals are placed in the same order, then they must be form
same class
same family
same genus
same species
Among the following characters, which one is not bacterial character?
nuclear membrane
cytoplasm with ribosome and plasmids
chromosome is one DNA molecule and is not associated with histon
peptidoglycan cell wall
