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Total questions: 64
Worksheet time: 16hrs 0mins
What is the dental formula for man , dog and goat except
I2/2 C1/1. PM 2/2 M3/3=16
I3/3 C1/1. PM 4/4 M2/3=21 x 2 = 42
0/4 incisors, 3/3 pre-molars, 3/3 molars
I3/2C1/1. PM 4/7 M2/3=26x 2 = 42
this type of dentition, organisms have teeth with different shapes, sizes and functions. E.g. in Rabbit, man, dog, cattle etc. This is a common feature of mammals, where they have four types of teeth, i.e. the incisors, canine, premolars and molars
Homodont
Heterodont
This type of dentition is one possessed by animals having the same type and shape of teeth. No teeth has a special function, all have the same function e.g. teeth type in fishes, amphibians and reptile
Heterodont dentition
Homodont dentition
Human beings have two sets of teeth in their life time. These are the temporary or _________ teeth and permanent teeth
Permanent
fang
Milk
Canine
this is a type of nutrition in which one organism obtains food and nourishment at the expense of another organism (the host) who is harmed and obtains no benefit.
Tapeworm
Parasitic nutrition
Holozoic nutrition
Heterotrophic nutrition
certain organisms obtain food and nourishment from extracellular digestion of decomposing organic matter. For example mushrooms and other fungi obtain food form their decaying substrate.
Symbiotic nutrition
Holozoic nutrition
Saprophytic nutrition
Parasitic nutrition
this is a type of nutrition in which some organisms obtain needed food because of a mutual interaction with another organism. The action of one organism provides food for the other organism. E.g. Lichen.
Symbiotic nutrition
Holozoic nutrition
Heterotrophic nutrition
Saprophytic nutrition
Drosera
Pitcher
Sundew
Venus fly trap
Bladderworts
Nepenthes
Pitcher
Sundew
Venus fly trap
none of the above
Dionaea
Sundew
Venus fly trap
Pitcher
Non of the above
Utricularia
Pitcher plant
Sundew
Bladderworts
Venus fly trap
these are plants which possess special trapping devices for catching insects and feeding on the.
Carnivorous plant
Carnivore
Omnivore
Tapeworm
this is the nutrition type exhibited by those animals which feed by ingestion, digestion, absorption and assimilation of food to utilize it.
Saprophytic nutrition
Symbiotic nutrition
Holozoic nutrition
Autotrophic nutrition
Hawks and lions.
Housefly and vulture
go in what category
Pick 2 answers
Carnivorous plants?
Carnivorous animals
Herbivorous animals
Omnivorous animals
Scavengers
Sheep and rabbit
Man and pig
go in what category
Pick 2 answers
Omnivorous animals
Herbivorous animals
Carnivorous animals
Scavengers
plants-like organisms which feed on dead and decomposing organic matter by secreting enzymes on it for extracellular digestion before absorbing the completely digested product. E.g Rhizopus, Mucor & mushroom
Saprophytic feeders
Parasitic feeders
obtain their food either totally or partially from their host while harming the host. They obtain food from the blood stream of an animal or phloem sap of a plant.
Saprophytic feeders
Parasitic feeders
Holozoic feeders
They are located in front of the jaw. They are flat, chisel shaped and with a sharp edge used for cutting and holding on to the prey so that they do not escape
Canines
Incisors
Premolars
Molars
They are found next to the incisors. They are sharp and pointed for tearing and catching the prey
Canines
Incisors
Premolars
Molars
located at the back of the jaw following the canines. They have large, ridged surfaces or cusps used for grinding and chewing food
Premolars
Canines
Molars
Incisors
located at the extreme parts of the jaws. They are closely packed with ridges surfaces for chewing and grinding food
Premolars
Molars
Incisors
Canines
The external part of each tooth consists of?
Enamel
Bones
Uranus
Gums
long, curved, large and pointed for attack, defence and tearing flesh from bones
Canine
Incisors
Molars
Premolars
flat with sharp cutting edge for cutting vegetables or grasses.
Incisors
Canines
Premolar
Molar
A field of biological study in which the interrelationship between organisms And their environment studied.
Autecology
Ecology
synecology
Biosphere
This is concerned with the study of an individual organism or a single species of organisms in the environment as well as its interaction with the environment for example the study of a single cockroach in its habitats or the study of the blue whale in its habitat.
Synecology
Lithosphere
Autecology
Biosphere
This is concerned with the study of interrelationship between groups of organisms or species of organisms living together and interacting with their environment for example the study of different organisms in the rain forest
Autecology
Synecology
Ecology
Lithosphere
This is the zone of the earth occupied by living things e.g. soil, air or water.
Habitat
Biosphere/Ecosphere
Atmosphere
Lithosphere
This is the solid part of the earth. It is made up of the soil on which cultivation of crops and rearing of animals occurs.
Ecosphere
Biosphere
Lithosphere
Hydrosphere
This refers to the water bodies or aquatic part of the earth where living things are found e.g. rivers, seas, ocean, lakes etc.
Hydrosphere
Ecology
Lithosphere
Ecosphere
it is the gaseous part of the earth. It I the layer of the earth surrounding the earth. It consists of 78% nitrogen, 21% oxygen, 0.9% argon, 0.038% carbon dioxide and trace amount of rare gases.
Atmosphere
the sun
Lithosphere
Ecosphere/biosphere
the largest community of naturally occurring organisms examples are: rain forest, guinea savannah, desert etc.
Biomes
Ecological niche
Community
Eco-system
This is a specific part of a habitat, which occupied by particular specie of an organism and the functional role of the organisms in that habitat.
Ecosphere
Ecological niche
Biomes
Lithosphere
This is the community of plants and animals interacting together and with their non-living environment.
Eco-system
Community
Population
Ecosphere
e.g. Temperature, wind, humidity, sunlight, rainfall.
Climate factors
Inorganic material and nutrients
Edaphic factors
such as carbon (IV) oxide, nitrogen, phosphorus, calcium etc.
Climate factors
Inorganic material and nutrients
Edaphic factors
These are soil related factors. e.g. Soil type, porosity, rocks, topography, and other factors like dust storms, fire and water
Climate factors
Inorganic material and nutrients
Edaphic factors
the irreversible increase in size and complexity of an organism brought about by the synthesis of new protoplasm.
Protoplasm
growth
Mitosis
Cell division
Growth is an/a ________ process
Simple
anabolic
Natural
growing
Basis of grown except
cell division
Cell enlargement
Mitosis
Cell differentiation
Which is a form of cell division?
Meiosis
Cell enlargement
Division of cells
the type of cell division which takes place during growth and development of an organism. _________ leads to increase in size. Meiosis on the other hand, is the type of cell division which occurs during the formation of gametes or sex cells.
Meiosis
Mitosis
Metaphase
anaphase
This follows after cell division. The newly formed daughter cells increase in size and mass to their normal sizes.
Cell enlargement
Cell differentiation
After the cells have attained their normal sizes the cells become specialized for a specific function. For example, in the human body a cell in the bone become an osteocyte, if it is found in the blood it may become a blood cell. Other cell may differentiate/ specialize to become muscle cells, brain cell, epithelial cells etc.
Cell division
Cell differentiation
Cell enlargement
This is latent or resting stage of the cell when normal activities are on-going. At this stage chromosome appear as long thin threads called chromatin.
Interphase
Prophase
Metaphase
Anaphase
the chromosomes become visible as they contract and the nucleolus disappears. The centrioles move to the opposite ends of the cell and spindle fibers appear.
Prophase
Anaphase
Telophase
Interphase
During early ________, the chromosomes arrange themselves at the spindle. In the late metaphase the chromatids begin to draw apart at the centromere.
Interphase
Metaphase
Anaphase
Telophase
the chromatids separate fully and the spindle fibres pull them to the opposite poles of the cell. In the late anaphase the chromatids reach the poles.
Anaphase
Prophase
Metaphase
Interphase
the spindle fibers break down, and the cytoplasm begins to divide. A furrow appears in the cytoplasm and deepens as cytokinesis proceeds. In the late ______, the nucleolus is formed; the chromosomes lengthen and assume their initial thin chromatin forms and the nuclear membrane forms around the chromatin material.
Telophase
Anaphase
Prophase
Metaphase
Meiosis involves how many successful cell division?
1
2
3
4
Meiosis Involves how many duplication of chromosomes
1
2
3
4
How many haploid daughter cells does meiosis have?
5
2
6
4
Gametes are formed by a process called?
Gemeto
Gemetis
Halogenesis
Gametogenesis
Sperms are produced by what?
Testes
Ovaries
oogenesis
Spermatogenesis
takes place during growth of somatic cells
Mitosis
Meiosis
occurs during the formation of gametes
Meiosis
mitosis
The number of chromosomes in both the parent cell and daughter cells are identical i.e. both cells are diploid
Mitosis
Meiosis
The number of chromosomes in the parent cell is twice that of the daughter cell. The parent cell is diploid while daughter cells are haploid
Meiosis
Mitosis
is a directional responses in which a whole organism moves from one place to another in responses to an external stimuli such as temperature, light, water or certain chemical.
Movement
taxis/tactic
Stimuli
Sperm
Light
name of response
Tactic movement
Phototaxis
Thermotaxis
Chemotaxis
Temperature
Name of response
Tactic movement
Thermotaxis
Phototaxis
Chemotaxis
Chemical
Name of response
Tactic movement
Chemotaxis
phototaxis
Thermotaxis
a non-directional response in which a plant moves part of its body in responses to stimuli such as changes in light intensity, temperature or humidity.
Natism
Taxis
The Amoeba proteus possesses _______ feet or pseudopodia with which it moves by an amoeboid movement
artificial
False
