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SSS 1 BIOLOGY Biology is the study of ______.	A) Matter and energy B) Living organisms and their interactions with the environment C) The Earth and planets D) Chemicals and their reactions	optionB
The word "Biology" is derived from two Greek words meaning ______.	A) Life and study B) Plant and animal C) Cell and tissue D) Nature and science	optionA
Which of the following is a branch of Biology?	A) Botany B) Geometry C) Economics D) Geography	optionA
Which of the following is NOT a branch of Biology?	A) Zoology B) Ecology C) Botany D) Trigonometry	optionD
Which of the following is a characteristic of living things?	A) Rusting B) Crystallization C) Respiration D) Melting	optionC
The acronym MR NIGER CAD is used to describe the ______.	A) Types of cells B) Characteristics of living things C) Parts of a flower D) Classification of organisms	optionB
Which of the following is a non-living thing?	A) Mushroom B) Bacterium C) Stone D) Amoeba	optionC
Which of these is NOT a characteristic of living organisms?	A) Growth B) Reproduction C) Photosynthesis D) Response to stimuli	optionC
Living things respond to changes in their environment through ______.	A) Digestion B) Irritability (Sensitivity) C) Excretion D) Circulation	optionB
The process by which living organisms produce young ones of their kind is called ______.	A) Nutrition B) Respiration C) Reproduction D) Excretion	optionC
Classification is the process of ______.	A) Naming only plants B) Grouping organisms according to their similarities and differences C) Studying diseases D) Preserving food	optionB
The scientist regarded as the Father of Taxonomy is ______.	A) Charles Darwin B) Louis Pasteur C) Carolus Linnaeus D) Robert Hooke	optionC
The largest taxonomic group is the ______.	A) Species B) Family C) Kingdom D) Genus	optionC
Which of the following belongs to Kingdom Plantae?	A) Mushroom B) Mango tree C) Amoeba D) Earthworm	optionB
The basic structural and functional unit of life is the ______.	A) Tissue B) Organ C) Cell D) Nucleus	optionC
The scientist who first observed cork cells under a microscope was ______.	A) Antonie van Leeuwenhoek B) Robert Hooke C) Louis Pasteur D) Charles Darwin	optionB
The movement of water molecules from a region of higher concentration to a region of lower concentration through a selectively permeable membrane is known as ______.	A) Diffusion B) Osmosis C) Translocation D) Respiration	optionB
Diffusion is the movement of particles from ______.	A) Low concentration to high concentration B) Higher concentration to lower concentration C) One cell to another only D) The nucleus to the cytoplasm	optionB
Which cell structure controls the activities of the cell?	A) Cell membrane B) Cytoplasm C) Nucleus D) Cell wall	optionC
The cell membrane is mainly responsible for ______.	A) Food production B) Controlling the movement of substances into and out of the cell C) Photosynthesis D) Cell division	optionB
The jelly-like substance in which the cell organelles are suspended is called the ______.	A) Nucleus B) Cytoplasm C) Cell wall D) Vacuole	optionB
The cell wall is found mainly in ______.	A) Animal cells only B) Plant cells only C) Both plant and animal cells D) Bacterial cells only	optionB
Which of the following organelles contains chlorophyll?	A) Mitochondrion B) Ribosome C) Chloroplast D) Nucleus	optionC
Which organelle is known as the powerhouse of the cell?	A) Chloroplast B) Mitochondrion C) Vacuole D) Golgi body	optionB
A plant cell differs from an animal cell because it possesses ______.	A) Cytoplasm B) Nucleus C) Cell wall D) Cell membrane	optionC
Which of the following is the major function of the vacuole in plant cells?	A) Cell division B) Storage of cell sap C) Photosynthesis D) Protein synthesis	optionB
Photosynthesis takes place mainly in the ______.	A) Roots B) Stem C) Leaves D) Flowers	optionC
The raw materials required for photosynthesis are ______.	A) Oxygen and glucose B) Carbon dioxide and water C) Water and oxygen D) Nitrogen and carbon dioxide	optionB
The green pigment responsible for trapping sunlight is called ______.	A) Cytoplasm B) Chlorophyll C) Xylem D) Cell sap	optionB
During photosynthesis, plants release ______ into the atmosphere.	A) Carbon dioxide B) Nitrogen C) Oxygen D) Hydrogen	optionC
Which of the following factors is essential for photosynthesis?	A) Wind B) Sunlight C) Soil only D) Gravity	optionB
Growth in living organisms is best defined as ______.	A) Increase in age only B) Permanent increase in size and dry mass C) Movement from one place to another D) Increase in body temperature	optionB
One internal factor that influences growth is ______.	A) Rainfall B) Soil type C) Hormones D) Wind	optionC
Which of the following is an external factor affecting growth?	A) Enzymes B) Hormones C) Light D) Genes	optionC
Which agricultural practice can lead to soil erosion?	A) Crop rotation B) Afforestation C) Bush burning D) Mulching	optionC
Bush burning may result in ______.	A) Increased soil microorganisms B) Destruction of soil fertility C) Improved soil structure D) Increased humus content	optionB
Excessive use of chemical fertilizers may cause ______.	A) Water pollution B) Increased biodiversity C) Better air quality D) Soil formation	optionA
Which of the following agricultural activities helps conserve the environment?	A) Overgrazing B) Deforestation C) Afforestation D) Bush burning	optionC
The indiscriminate cutting down of trees is known as ______.	A) Irrigation B) Afforestation C) Deforestation D) Cultivation	optionC
One major consequence of deforestation is ______.	A) Increased rainfall B) Loss of wildlife habitat C) Greater soil fertility D) Increased oxygen production	optionB
A disease of farm animals is a condition that ______.	A) Improves animal growth B) Affects the normal health and productivity of animals C) Increases reproduction D) Enhances feeding	optionB
Which of the following is a viral disease of poultry?	A) Anthrax B) Newcastle disease C) Ringworm D) Foot rot	optionB
Foot-and-mouth disease commonly affects ______.	A) Fish B) Cattle, sheep and goats C) Poultry only D) Rabbits only	optionB
Which of the following is a fungal disease of farm animals?	A) Ringworm B) Anthrax C) Rabies D) Newcastle disease	optionA
One effective way of controlling diseases in farm animals is through ______.	A) Vaccination B) Overfeeding C) Overcrowding D) Bush burning	optionA
Which of the following is regarded as a crop pest?	A) Earthworm B) Grasshopper C) Butterfly D) Millipede	optionB
Aphids are dangerous to crops because they ______.	A) Improve soil fertility B) Suck plant sap C) Pollinate flowers D) Loosen the soil	optionB
Weevils mainly attack stored ______.	A) Timber B) Grains C) Fruits D) Leaves	optionB
A plant disease caused by fungi is ______.	A) Rust B) Mosaic disease C) Leaf curl D) Cassava mosaic	optionA
Cassava mosaic disease is caused by ______.	A) Bacteria B) Virus C) Fungus D) Protozoa	optionB
Which of the following is NOT a method of controlling crop pests?	A) Crop rotation B) Spraying insecticides C) Regular weeding D) Leaving infected plants untreated	optionD
Crop rotation helps to ______.	A) Encourage pests B) Reduce pest infestation and improve soil fertility C) Increase erosion D) Destroy crops	optionB
Food production refers to the ______.	A) Preservation of food only B) Process of growing and raising food for consumption C) Distribution of food D) Cooking food	optionB
Which of the following is a method of preserving fish?	A) Boiling only B) Smoking C) Washing D) Grinding	optionB
One importance of food storage is to ______.	A) Increase spoilage B) Prevent wastage C) Reduce food supply D) Encourage pests	optionB
Which of the following methods is commonly used to preserve grains?	A) Refrigeration B) Drying C) Boiling D) Frying	optionB
Microorganisms are organisms that ______.	A) Can only be seen with the naked eye B) Are too small to be seen without a microscope C) Live only in water D) Cause diseases only	optionB
Which of the following is NOT a microorganism?	A) Amoeba B) Yeast C) Mushroom D) Bacterium	optionC
Which of the following groups of microorganisms is mainly responsible for fermentation?	A) Viruses B) Fungi C) Protozoa D) Algae	optionB
Bacteria reproduce mainly by ______.	A) Budding B) Binary fission C) Pollination D) Fertilization	optionB
One beneficial use of microorganisms is in the production of ______.	A) Plastic B) Bread C) Cement D) Glass	optionB
Which of the following microorganisms is used in the production of yoghurt?	A) Lactobacillus B) Amoeba C) Rhizopus D) Plasmodium	optionA
The process by which microorganisms convert sugar into alcohol is called ______.	A) Respiration B) Fermentation C) Germination D) Transpiration	optionB
Which of the following diseases is caused by a protozoan?	A) Cholera B) Tuberculosis C) Malaria D) Ringworm	optionC
Food spoilage is mainly caused by ______.	A) Wind B) Microorganisms C) Sunlight D) Minerals	optionB
The natural environment where an organism lives is called its ______.	A) Community B) Habitat C) Ecosystem D) Population	optionB
Which of the following is an aquatic habitat?	A) Desert B) Pond C) Grassland D) Forest	optionB
An organism that lives successfully in water possesses adaptive features such as ______.	A) Wings B) Fins and gills C) Hooves D) Claws	optionB
Which of the following animals is best adapted to an aquatic habitat?	A) Camel B) Tilapia C) Goat D) Grasshopper	Option B
A terrestrial habitat is one that is found ______.	A) In the air B) On land C) In rivers D) In oceans	optionB
Which of the following is an example of a terrestrial habitat?	A) Lagoon B) Stream C) Rainforest D) Pond	optionC
Grassland habitats are dominated mainly by ______.	A) Tall buildings B) Grasses with few scattered trees C) Thick mangrove trees D) Coral reefs	optionB
One adaptation of grasses to grassland habitat is their ability to ______.	A) Grow under water B) Regrow quickly after grazing or fire C) Live without sunlight D) Produce flowers throughout the year	optionB
Amoeba reproduces asexually by ______.	A) Budding B) Binary fission C) Fragmentation D) Pollination	optionB
Paramecium reproduces mainly by ______.	A) Binary fission B) Pollination C) Fertilization D) Germination	optionA
Hydra reproduces asexually by ______.	A) Budding B) Spore formation C) Binary fission D) Conjugation	optionA
Earthworms reproduce by ______.	A) Binary fission B) Sexual reproduction C) Budding D) Fragmentation	optionB
Which of the following is an invertebrate?	A) Frog B) Earthworm C) Lizard D) Pigeon	optionB
Which of the following statements about habitats is CORRECT?	A) Every organism can live in every habitat. B) Organisms possess adaptations that enable them to survive in their habitats. C) Aquatic organisms can only survive on land. D) All habitats have the same environmental conditions.	optionB
Which of the following best explains why Biology is important?	A) It studies only plants. B) It helps us understand living organisms and their relationship with the environment. C) It deals only with chemicals. D) It is concerned only with farm animals.	optionB
SSS 2 BIOLOGY The skeletal system performs all the following functions except ______.	A) Support B) Protection C) Digestion D) Movement	optionC
The longest bone in the human body is the ______.	A) Tibia B) Fibula C) Femur D) Humerus	optionC
Bones are connected to one another by means of ______.	A) Tendons B) Ligaments C) Muscles D) Cartilage	optionB
The point at which two or more bones meet is called a ______.	A) Tendon B) Joint C) Cartilage D) Marrow	optionB
Which of the following is an example of a ball-and-socket joint?	A) Elbow B) Knee C) Hip D) Wrist	optionC
The vertebral column protects the ______.	A) Brain B) Spinal cord C) Heart D) Lungs	optionB
The skull protects the ______.	A) Heart B) Brain C) Lungs D) Liver	optionB
Red blood cells are produced in the ______.	A) Yellow marrow B) Bone marrow C) Cartilage D) Periosteum	optionB
Tendons connect ______.	A) Bone to bone B) Muscle to bone C) Muscle to muscle D) Cartilage to bone	optionB
Which of the following is not a function of the skeletal system?	A) Protection B) Support C) Photosynthesis D) Movement	optionC
Digestion is the process by which food is ______.	A) Stored in the stomach B) Broken down into simpler absorbable substances C) Converted into blood D) Removed from the body	optionB
Digestion of starch begins in the ______.	A) Mouth B) Stomach C) Small intestine D) Large intestine	optionA
The enzyme found in saliva is ______.	A) Pepsin B) Salivary amylase C) Lipase D) Trypsin	optionB
Which organ produces bile?	A) Gall bladder B) Liver C) Pancreas D) Stomach	optionB
Bile is stored in the ______.	A) Liver B) Gall bladder C) Pancreas D) Duodenum	optionB
Most digestion and absorption of food occur in the ______.	A) Stomach B) Large intestine C) Small intestine D) Oesophagus	optionC
The finger-like projections found in the small intestine are called ______.	A) Alveoli B) Nephrons C) Villi D) Cilia	optionC
Which enzyme digests proteins in the stomach?	A) Pepsin B) Amylase C) Maltase D) Lipase	optionA
The main function of the large intestine is to ______.	A) Digest proteins B) Absorb water and mineral salts C) Produce bile D) Secrete digestive enzymes	optionB
Which of the following is not part of the alimentary canal?	A) Oesophagus B) Stomach C) Pancreas D) Rectum	optionC
The liquid portion of blood is called ______.	A) Serum B) Plasma C) Lymph D) Platelet	optionB
Which blood vessel carries blood away from the heart?	A) Vein B) Capillary C) Artery D) Venule	optionC
The blood pigment responsible for oxygen transport is ______.	A) Chlorophyll B) Haemoglobin C) Melanin D) Myosin	optionB
Which chamber of the heart pumps oxygenated blood to the body?	A) Right atrium B) Right ventricle C) Left atrium D) Left ventricle	optionD
Blood clotting is mainly carried out by ______.	A) Red blood cells B) White blood cells C) Platelets D) Plasma	optionC
The universal donor blood group is ______.	A) A B) B C) AB D) O	optionD
The pulmonary artery carries ______.	A) Oxygenated blood B) Deoxygenated blood C) Lymph D) Plasma	optionB
Exchange of materials between blood and tissues occurs in the ______.	A) Arteries B) Veins C) Capillaries D) Aorta	optionC
Which blood cells defend the body against infection?	A) Red blood cells B) White blood cells C) Platelets D) Plasma cells	optionB
The main function of the lymphatic system is to ______.	A) Digest food B) Transport lymph and aid immunity C) Produce hormones D) Excrete wastes	optionB
The respiratory organ in humans is the ______.	A) Liver B) Lungs C) Kidneys D) Skin	optionB
The tiny air sacs in the lungs are called ______.	A) Bronchi B) Bronchioles C) Alveoli D) Tracheae	optionC
The muscle chiefly responsible for breathing is the ______.	A) Biceps B) Diaphragm C) Triceps D) Deltoid	optionB
During inhalation, the diaphragm ______.	A) Relaxes and moves upward B) Contracts and moves downward C) Remains stationary D) Contracts upward	optionB
The windpipe is also known as the ______.	A) Oesophagus B) Trachea C) Bronchus D) Larynx	optionB
Gas exchange in the lungs occurs by ______.	A) Osmosis B) Active transport C) Diffusion D) Transpiration	optionC
Which gas is released during exhalation?	A) Nitrogen B) Carbon dioxide C) Oxygen D) Hydrogen	optionB
The voice box is called the ______.	A) Larynx B) Pharynx C) Trachea D) Bronchus	optionA
Which respiratory disease is caused by Mycobacterium tuberculosis?	A) Asthma B) Tuberculosis C) Pneumonia D) Influenza	optionB
The primary function of respiration is to ______.	A) Produce urea B) Release energy from food C) Digest proteins D) Pump blood	optionB
The functional unit of the kidney is the ______.	A) Neuron B) Nephron C) Alveolus D) Glomerulus	optionB
The major nitrogenous waste excreted by humans is ______.	A) Ammonia B) Urea C) Uric acid D) Carbon dioxide	optionB
Which organ excretes excess water and salts from the body?	A) Heart B) Skin C) Pancreas D) Spleen	optionB
Ultrafiltration in the kidney takes place in the ______.	A) Loop of Henle B) Bowman's capsule C) Collecting duct D) Ureter	optionB
The tube that carries urine from the kidney to the bladder is the ______.	A) Urethra B) Ureter C) Renal artery D) Nephron	optionB
The urinary bladder functions mainly to ______.	A) Produce urine B) Store urine C) Filter blood D) Reabsorb glucose	optionB
Which of the following is not an excretory organ in humans?	A) Kidney B) Lungs C) Skin D) Stomach	optionD
The removal of undigested food from the body is known as ______.	A) Excretion B) Secretion C) Egestion D) Digestion	optionC
Ecology is the study of the relationship between organisms and their ______.	A) Enemies B) Environment C) Food D) Genes	optionB
The place where an organism naturally lives is called its ______.	A) Community B) Habitat C) Population D) Niche	optionB
All the organisms of the same species living in a habitat form a ______.	A) Community B) Population C) Family D) Kingdom	optionB
Green plants in an ecosystem are known as ______.	A) Consumers B) Decomposers C) Producers D) Scavengers	optionC
Animals that feed on both plants and animals are called ______.	A) Carnivores B) Herbivores C) Omnivores D) Parasites	optionC
The first trophic level in a food chain is occupied by ______.	A) Consumers B) Decomposers C) Producers D) Predators	optionC
The sequence through which energy passes in an ecosystem is called a ______.	A) Food chain B) Food web C) Pyramid D) Biome	optionA
Bacteria and fungi are important ______ in an ecosystem.	A) Consumers B) Decomposers C) Producers D) Predators	optionB
The interaction in which both organisms benefit is called ______.	A) Parasitism B) Mutualism C) Competition D) Predation	optionA
Which ecological factor is abiotic?	A) Competition B) Temperature C) Predation D) Parasitism	optionB
The ultimate source of energy in most ecosystems is the ______.	A) Moon B) Sun C) Wind D) Soil	optionB
An organism that obtains food from dead organic matter is a ______.	A) Producer B) Saprophyte C) Parasite D) Herbivore	optionB
The basic structural and functional unit of the nervous system is the ______.	A) Neuron B) Nephron C) Alveolus D) Axon	optionA
The largest part of the human brain is the ______.	A) Medulla oblongata B) Cerebellum C) Cerebrum D) Hypothalamus	optionC
The cerebellum is responsible mainly for ______.	A) Vision B) Balance and coordination C) Hearing D) Breathing	optionB
The reflex action is controlled mainly by the ______.	A) Brain B) Spinal cord C) Cerebellum D) Cerebrum	optionB
The nerve that carries impulses from receptors to the central nervous system is the ______.	A) Motor nerve B) Sensory nerve C) Mixed nerve D) Connector nerve	optionB
The autonomic nervous system controls ______.	A) Voluntary actions B) Involuntary activities C) Speaking D) Walking	optionB
The functional unit of the testis is the ______.	A) Seminiferous tubule B) Nephron C) Alveolus D) Follicle	optionA
The male reproductive hormone is ______.	A) Oestrogen B) Progesterone C) Testosterone D) Insulin	optionC
Fertilization in humans normally occurs in the ______.	A) Uterus B) Ovary C) Fallopian tube D) Vagina	optionC
The female organ that produces ova is the ______.	A) Uterus B) Ovary C) Cervix D) Vagina	optionB
The fusion of male and female gametes is called ______.	A) Implantation B) Ovulation C) Fertilization D) Gestation	optionC
The period between fertilization and birth is known as ______.	A) Ovulation B) Gestation C) Menstruation D) Parturition	optionB
The placenta functions mainly to ______.	A) Produce sperm B) Exchange materials between mother and foetus C) Digest food D) Store urine	optionB
Identical twins develop from ______.	A) Two fertilized eggs B) One fertilized egg C) Two sperm cells D) One ovary	optionB
Asexual reproduction produces offspring that are ______.	A) Genetically different B) Genetically identical to the parent C) Always sterile D) Always male	optionB
Binary fission is common in ______.	A) Hydra B) Bacteria C) Earthworm D) Cockroach	optionB
Budding is a method of reproduction in ______.	A) Hydra B) Fish C) Bird D) Lizard	optionA
The release of a mature egg from the ovary is called ______.	A) Fertilization B) Gestation C) Ovulation D) Implantation	optionC
The embryo becomes attached to the wall of the uterus during ______.	A) Implantation B) Ovulation C) Parturition D) Menstruation	optionA
The reproductive cycle in human females is regulated by ______.	A) Hormones B) Enzymes C) Vitamins D) Antibodies	optionA
BIOLOGY SSS TWO During mating the male toad holds the female with its	A) sticky tongue B) jelly C) webbed hind limbs D) nuptial pad	optionD
The tests in male mammals descends into the scrotal sac because	A) there is congestion in the lower B) the run the risk of beings destroyed C) the y need special support D) they require a relatively low temperature	optionD
Testosterone is secreted by	A) Pituitary gland B) prostate gland C) testes D) ovary	optionC
Which of the following structures serves as exist for both sperm and urine in the male	A) sperm duct B) vas deferens C) urethra D) testes	optionC
Which of the following secondary sexual characteristics is peculiar to boys	A) enlargement of sex organs B) breaking voice C) growth of public hair D) secretion of sex hormones	optionB
Which of the following is not part of the female reproductive system	A) ovary B) fallopian tube C) urethra D) uterus	optionC
Spermatogenesis and Oogenesis are terms used to describe	A) meiosis B) mitosis C) gametogenesis D) gametophyte	optionC
Infertility in females may be as a result of	A) narrow pelvis B) lack of ovulation C) hairs on the body D) menstrual cycle	optionB
The outer covering of the human ovum is called	A) cell membrane B) plasma membrane C) plasmallema D) viteline membrane	optionD
In mammals, fertilization takes place in the	A) ovary B) oviduct C) uterus D) vulva	optionB
Internal fertilization does not take place in	A) toad B) grasshopper C) bird D) lizard	optionA
Which of the following parts of the male gamete is essential for fertilization?	A) tail B) middle piece C) nucleus D) neck	optionC
The main function of the seminal vesicle is to	A) produce sperm B) destroy dead sperm C) store sperm D) discharge sperm	optionD
Which of the following possess mammilla gland	A) dogfish B) whale C) shark D) catfish	optionB
In which of the following organisms is parental care manifested	A) tilapia B) toad C) cockroach D) snail	optionA
Viviparity occurs in the	A) mammals B) reptiles C) aves D) amphibians	optionA
Meiosis in flowering plants occurs in the	A) sporophyte B) embryo C) zygotes D) pollen grain	optionA
The outer embryonic membrane in the mammal is the	A) amnion B) chorion C) allantois D) yolk sac	optionB
In a mammal, the placental performs functions similar to those of the	A) lungs, kidneys and digestive system B) lungs, heart and nervous system C) liver, intestines and reproductive system D) intestines, heart and digestive system	optionA
Gestation in mammals is the period	A) required for growth after birth B) between the formation of foetus and birth C) of development from zygote to birth D) before the formation of the zygote	optionC
Within the mammalian female reproductive system, a ring of muscles which closes the lower end of the uterus is called	A) cervix B) vulva C) vagina D) oviductA	option
In a developing mammalian embryo, external shock is absorbed by the	A) yolk sac B) placenta C) umbilical cord D) amniotic fluid	optionD
The hormones contained in birth control pills used by females are	A) progesterone and testosterone B) oestrogen and progesterone C) estrogen and testosterones D) progesterone and follicle stimulating hormone	optionB
The barrier between maternal and foetal blood is the	A) liver B) umbilical cord C) uterine wall D) placenta	optionD
During ovulation, an egg is released from the	A) corpus luteum B) ovarian funnel C) Graafian follicles D) fallopian tube	optionC
Which of the following perform similar functions?	A) ascospores and ascocarp B) antherozoid and rhizoids C) sours and indusium D) strobili and inflorescence	optionD
In ferns, the sporophyte	A) develops from a haploid zygote B) reproduce sexually to produce spores C) is haploid and dependent on the gametophyte D) is diploid and independent of the gametophyte	optionD
The gametophyte generation is	A) antheridia B) spermatozoa C) prothallus D) the zygotes	optionC
The spores that germinates from the sporangium of a fern grows into	A) a thallus B) a prothallus C) as imdusium D) an antheridium	optionB
The male and female reproductive organs of mosses and liverworts are respectively called	A) antheridia and archgonia B) antheridia and oogonia C) paragymous and amphigygous D) spermatocyte and oocytes	optionA
The development of young ones from unfertilized eggs is called	A) metamorphosis B) oviparity C) viviparity D) parthenogenesis	optionD
Which of the following process results in gamete forrmation	A) mitosis B) meiosis C) cell elongation D) cell division	optionB
For pollination and fruit formation, the essential part(s) of the flower should be the	A) corolla B) ovary C) ovules D) gynoceium	optionD
The calyx in a flower serves for	A) fertilization B) attraction C) pollination D) protection	optionD
A flower with all its carpels or ovaries fused together is described as	A) syncarpous B) apocarpous C) monocarpous D) polycarpous	optionA
An example of a dioecious plant is	A) pawpaw B) maize C) oil palm D) castor oil	optionA
The condition in which male and female of a flower parts of a mature a different times is	A) homogamy B) autogamy C) dichogamy D) cleitogamy	optionC
If a flower is protandrous then it	A) must be unisexual B) has an undeveloped androecium C) has no androecium D) can prevent self pollinated	optionD
The offspring resulting from cross pollination usually exhibit	A) variable features B) identical feature C) high resistance D) low resistance	optionA
Insect visits flowers in order to	A) feed on the nectar B) deposit pollen on the stigma C) pollinate the flower D) transfer pollens from the anther	optionA
If a floral parts of a flower is above the ovary such ovary is called	A) epigynous B) hypogynous C) perigynous D) sem-epigynous	optionB
Double fertilization in higher plants is significant because it ensures	A) formation of a fertile embryo B) formation of a fertile embryo and endosperm C) development of the seed D) development of the fruit	optionB
How many nuclei are found in the pollen tube during fertilization	A) 2 B) 3 C) 6 D) 5	optionB
Which of these seeds are dispersed by the explosive mechanism	A) the Okra B) the mango C) the oil palm D) Cocoa bean	optionA
A dry dehiscent fruit which breaks up into one-seeded parts is a	A) schizocarp B) capsule C) follicles D) legume	optionA
Coconut and oil palm fruits can be grouped as	A) berry B) legume C) capsule D) drupe	optionD
The type of placentation presents in pawpaw is	A) axial B) marginal C) parietal D) free-central	optionC
Any fruit which can break into several parts each containing one seed is a	A) capsule B) legume C) aggregate fruit D) follicles	optionC
The maize grain is and not a seed because it	A) has a large endosperm B) is formed from an ovary C) is a monocotyledon D) has no plumule and radical	optionB
The pineapple fruit is best described as	A) aggregate, succulent and indehiscent B) aggregate, succulent and dehiscent C) multiple, succulent and indehiscent D) multiple, succulent and dehiscent	optionC

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