In which of the following plants showing alternation of generations is the Sporophyte generation dominant?
Mosses and Algae.
Ferns and Gymnosperms
Algae and Ferns.
Ferns and Mosses.
Which one of the following is not a reason for classifying a mouse and a frog in one phylum? Presence of
pharyngeal gill slits.
notochord.
post-anal tail.
Endoskeleton
The epithelium present in the lining of stomach and intestine is_______
simple squamous.
simple cuboidal..
simple columnar.
stratified squamous.
. Which of the following would most probably be found in a chemical analysis of a cell membrane?
protein and waxes.
Protein and carbohydrates.
Waxes only.
Lipids and proteins.
.In which one of the following animals is the digestive system the most rudimentary?
Bristle worm( a marine worm).
Snail.
Round worm
Flatworm.
.The chief function of the Golgi apparatus in a living cell is
Destruction of worn-out organelles
Synthesis of cell wall components
Intercellular transport
Synthesis of proteins
A good example of a prokaryote is
Entamoeba
Plasmodium
Trypanosoma
Blue-green algae
Which of the following are adaptations of the reptiles for the terrestrial environment?
Lungs and shelled eggs.
Lungs and scales.
Ability to regulate body temperature and body shape.
Ability to climb trees and lack of parental care.
Which of the following arthropod characteristics is both i) common to all insects ii) found in insects only?
Segmented exoskeleton.
Six legs.
Paired antennae.
Paired wings.
The main distinguishing character of an eukaryotic cell is
membraned organelles.
lack of nuclear membrane.
presence of nucleus.
presence of DNA double strands.
Which of the following organelles would most likely be abundant in the tail of a tadpole at a time of its reabsorption during metamorphosis?
Centrioles.
Lysosomes.
Golgi apparatus.
Endoplasmic reticulum.
Which one of the following has non septate hyphae?
Penicillium
Rhizopus
Yeast
Agaricus
.The classification unit that would first differentiate the cat from the dog is
Phylum
Class
Order
Family
Which one of the following animals belongs to a different phylum from others?
Planarian
Roundworm.
Tapeworm
Liverfluke
A good example of a prokaryote is
Trypanosoma
Anabaena
Plasmodium
Entamoeba
Chlamydomonas uses the following for locomotion
Pseudopodia
Cilia.
Tentacles.
Flagella.
Various polysaccharides stored in the algae are useful in the primary classification, and true starch similar to higher plant starch is only found in
chlorophyta
cyanophyta
rhodophyta.
phaeophyta
Which one of the following statements does not apply to coelenterata?
They sometimes form colonies.
They may cause disease.
Their skeletons may form flint and chalk
They possess stinging cells which they use for protection.
A cougar can be described as:
triploblastic coelomate.
diploblastic acoelomate.
diploblastic coelomate.
triploblastic acoelomate.
Which one of the following has fucoxanthin?
cyanophyta.
phaeophyta.
chlorophyta.
rhodophyta.
Which one of the following is a storage substance in both plants and animals?
Sucrose
Glycogen
insulin
Lipids
Which of the following is a class?
Platyhelminthes
Nematoda
Annelida
Trematoda
Which of the following tissues is found in animals only?
.Epidermal tissue.
Storage tissue.
Contractile tissue
Secretory tissue.
In Bryophytes gametes are produced by
sporophytes through mitosis.
gametophytes through meiosis
gametophytes through mitosis
sporophytes through meiosis
The vegetation of Uganda includes plants such as (1) Imparata,(2)Cyperus,(3)Typha,(4)Panicum,(5) Digitaria,(6)Pistia,(7) Spirogyra. Which one of the following consists of aquatic and swamp types only?
2,3,5,7
2,3,6,7
1,2,5,7
1,4,6,7
Which of the following insects does not possess compound eyes?
termite
fruitfly
moth
dragon fly
Which one of the following animals is terrestrial?
Crab
mite
Barnacles
Lobster
Which one of the following classes does a centipede belong to?
Chilopoda
Arachnida
Crustacea
Diplopoda
Which part of an Amoeba is concerned with active release of water?
Contractile vacuole.
Cell membrane
Pseudopodia
Ectoplasm.
In what form does the malaria parasite enter the human body?
Gametocyte
Sporozoite
Merozoite
Trophozoite
To which phylum do the sponges belong?
Cnidaria.
Protozoa
Echinodermata
Porifera.
Which of the following best describes the jelly fish ? It is a
Triploblastic metazoa
Diplobastic multicellular organism
unicellular organism having trichocysts.
Platyhelminthe with three distinct layers.
Which of the following is not a protoctist?
Mucor
Trypanosoma
Plasmodium
Entamoeba
Which of the following are target cells for the HIV (AIDS virus).
neurones
fibroblasts
leucocytes
Erythrocytes.
Which of the following organisms does not possess antennae?
Termite
Scorpion
Tsetse fly
Centipede
Which one of the following animals has a double circulatory system?
mussel.
shark.
ray
newt
Which one of the following belongs to phylum Cyanobacteria?
Staphylococcus.
Streptococcus.
Chroococcus.
Diplococcus.
Which of the following requires inorganic materials from the environment?
Plasmodium.
Virus.
Yeast.
Euglena.
In the life history of an alga the diploid vegetative form results when
meiosis does not occur in the zygote at the time of germination.
meiosis occurs in the diploid thallus.
meiosis occurs in the haploid thallus during gametogenesis.
meiosis occurs at gametogenesis and during germination.
Which one of the following may not increase the chances of survival of young mammals?
Smaller litter size.
Longer gestation periods.
Large foetal size.
Greater parental care
Which of the following is not an adaptation of Phytophthora infestans as a parasite?
Presence of haustoria that extracts nutrients from the cell cytoplasm
Possession of hyphae that produce protease to digestion the cell walls
Produces large numbers of spores
Ability to produce persistent zygospore
Which of these may occur in both angiosperm and gymnosperm?
Seeds are surrounded by a fruit at maturity.
Pollen is carried by wind for pollination.
Seeds develop within-a cone.
Seeds develop within a flower.
Which of the following organelles is not found in plant cells ?
Nucleus.
Vacuole.
Golgi apparatus
Centrioles
Which one of the following statements best describes cyanobacteria?
Posses membrane-bound organelles.
Lack DNA.
Contain chromosomes.
Lack interior organelles.
During alternation of generation in Dryopteris, the life cycle is dominated by;
The gametophyte.
The sporophyte.
The archegonia
The protonema
Which one of the following organisms does not possess simple eyes?
Butterfly
Millipede
Spider
Centipede
Which one of the following is a difference between flowers of dicotyledonous plants and those of monocotyledonous plants?Flowers of dicotyledonous plants usually
possess superior ovaries
bear floral parts in groups of 4s and 5s.
lack sepals.
possess fused petals.
Which pair of features could be used as the final step of a dichotomous key to distinguish between a crustacean and an insect?
Paired or non-paired appendages.
Non-segmented or segmented.
Calcified or noncalcified exoskeleton
Terrestrial or aquatic.
Into which phylum would you place the sea squirt?
Coelenterata
Mollusca
Porifera
Chordata
Hirudo gets rid of nitrogenous wastes through structures called