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10,710 questions available
Showing 9151–9200 of 10710 questions
Instruction
JAMB Biology 1994
JAMB (UTME) Biology 1994
Q9151. People who suck petrol with their mouths run the risk of increasing in their blood the concentration of
A iron
B lead
C calcium
D magnesium
JAMB (UTME) Biology 1994
Q9152. The differences and similarities among living things account for
A diversity
B stability
C competition
D evolution
JAMB (UTME) Biology 1994
Q9153. People with sickle-cell anaemia have haemoglobin
A S and are homozygous recessive
B A and are heterozygous recessive
C S and are heterozygous recessive
D A and are homozygous recessive
JAMB (UTME) Biology 1994
Q9154. In the gene locus for eye colour in humans, the allele for brown eyes is dominant over the allele for blue eyes. If a homozygous brown-eyed girl has a brother with blue eyes, what are the likely phenotypes of their parents' eye colour? (Eye colour is not a sex-linked trait).
A Both parents have blue eyes.
B Their father has blue eyes and their mother has brown eyes.
C Both parents have brown eyes.
D Their mother has blue eyes and their father has brown eyes.
JAMB (UTME) Biology 1994
Q9155. If a woman's genotype is Tt Qq Rr, what would be the gene content of her eggs?
A TQr, tqr
B TQR, tqr
C TqR, tQR
D tQR, TQR
JAMB (UTME) Biology 1994
Q9156. The sex-linked defect in which very slight cut produces severe bleeding is known as
A anaemia
B anorexia
C haemophilia
D haemolysis
JAMB (UTME) Biology 1994
Q9157. A man who has the trait for colour blindness marries a normal woman. What percentage of their children would be sufferers, carriers and normal respectively?
A 25% and 50%
B 25%, 50% and 25%
C 50%, 25% and 25%
D 25%, 37.5% and 37.5%
JAMB (UTME) Biology 1994
Q9158. Breathing root is an adaptation for survival in the
A mangrove swamp
B desert
C arboreal habitat
D savanna
JAMB (UTME) Biology 1994
Q9159. Red coloration on the head of a male lizard helps it to
A mark its territory
B camouflage in the environment
C secure its mate
D defend itself
JAMB (UTME) Biology 1994
Q9160. A phenomenon by which an animal goes into a state of dormancy during the dry season is called
A hibernation
B aestivation
C incubation
D deactivation
JAMB (UTME) Biology 1994
Q9161. The anatomical evidence usually used in support of all evolutionary relationship among whales, humans, birds and dogs is the possession of
A thick skin
B pentadactyl limb
C tail
D epidermal structures
Instruction
JAMB Biology 1995
JAMB (UTME) Biology 1995
Q9162. Which of the following does a virus have in common with animal cells?
A Nucleus
B DNA
C Glycogen
D Cytoplasm
JAMB (UTME) Biology 1995
Q9163. Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing?
A Nucleolus and centrioles
B Mitochondria and chloroplast
C Lysosomes and ribosomes
D Golgi apparatus and endoplasmic reticulum
JAMB (UTME) Biology 1995
Q9164. One common characteristic of fungi, algae, mosses and ferns is that they
A show alternation of generations
B reproduce sexually by conjugation
C produce spores that are dispersed
D possess chlorophyll II in their tissues
JAMB (UTME) Biology 1995
Q9165. Protein-like bodies are borne on the part labelled
A II
B III
C IV
D V
JAMB (UTME) Biology 1995
Q9166. The sexual reproductive function is performed by the part labelled
A I
B II
C IV
D V
JAMB (UTME) Biology 1995
Q9167. Which of the following is transmitted through mosquito?
A Filariasis
B Typhus
C Plague
D Schistosomiasis
JAMB (UTME) Biology 1995
Q9168. Which of the following insects lays its eggs in horny, purse-like cases?
A Mosquito
B Butterfly
C Termite
D Cockroach
JAMB (UTME) Biology 1995
Q9169. In which of the following vertebrates does the skin function as a respiratory surface?
A Rat
B Lizard
C Fish
D Frog
JAMB (UTME) Biology 1995
Q9170. Birds maintain their body temperature with the help of their
A blood which maintains constant temperature
B feathers which cover the body
C skin which conserves moisture
D veins which transport fluid of constant temperature to all body tissues
JAMB (UTME) Biology 1995
Q9171. Secondary thickening in dicotyledonous stem is controlled by the
A xylem
B phloem
C cambium
D pericycle
JAMB (UTME) Biology 1995
Q9172. $2H_2O \rightarrow 2H_2 + O_2(g)$. The equation above represents a part of the light stage of photosynthesis. Which of the following must be present for this reaction to occur?
A Enzyme and light energy
B Carbon dioxide and light energy
C Light energy and chlorophyll II
D Chlorophyll and enzyme
JAMB (UTME) Biology 1995
Q9173. In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of
A washed sand
B sawdust
C cowdung
D clay soil
JAMB (UTME) Biology 1995
Q9174. Which vitamin plays an important role in blood clotting?
A Vitamin A
B Vitamin K
C Vitamin B12
D Vitamin C
JAMB (UTME) Biology 1995
Q9175. The mammalian organ which acts both as a digestive and as an endocrine organ is the
A oesophagus
B liver
C pancreas
D spleen
JAMB (UTME) Biology 1995
Q9176. Which of the following is NOT involved in the transport of substances in the body?
A Lymph
B Plasma
C Leucocytes
D Erythrocytes
JAMB (UTME) Biology 1995
Q9177. The end product of glycolysis in plants and animals is
A pyruvic acid
B citric acid
C aspartic acid
D malic acid
JAMB (UTME) Biology 1995
Q9178. During respiration, air circulates round plant tissues via
A lenticels
B stomata
C guard cells
D intercellular spaces
JAMB (UTME) Biology 1995
Q9179. The excretory structure in the earthworm is the
A malpighian tubule
B flame cell
C nephridium
D kidney
JAMB (UTME) Biology 1995
Q9180. During the bending of the arm, the biceps muscle
A contracts and the triceps muscle relaxes
B relaxes and the triceps muscle contracts
C and the triceps muscle contract
D and the triceps muscle relax
JAMB (UTME) Biology 1995
Q9181. When a healthy shoot of a flowering plant is illuminated from one side, auxins accumulate on the
A non-illuminated side of the shoot
B illuminated side of the shoot
C upper side of the shoot
D lower side of the shoot
JAMB (UTME) Biology 1995
Q9182. The type of placentation shown is
A axial
B marginal
C parietal
D central
JAMB (UTME) Biology 1995
Q9183. An example of a plant having the placentation shown is
A allamanda
B hibiscus
C water lily
D cowpea
JAMB (UTME) Biology 1995
Q9184. The term caryopsis is used to describe fruit in which the
A testa and pericarp are separated
B seed and endocarp are fused
C testa and pericarp are fused
D seed coat and fruit wall are impermeable
JAMB (UTME) Biology 1995
Q9185. The sex of a foetus is determined during
A meiosis
B copulation
C fertilization
D placentation
JAMB (UTME) Biology 1995
Q9186. Biological growth refers strictly to an increase in the
A protoplasm of organism
B number of organisms
C size of an organism
D development of form
JAMB (UTME) Biology 1995
Q9187. The process of walking is under the control of the part of the brain called
A optic lobe
B olfactory lobe
C cerebellum
D medulla oblongata
JAMB (UTME) Biology 1995
Q9188. The gland directly affecting metabolic rate, growth and development is known as
A adrenal gland
B thyroid gland
C mammary gland
D parathyroid gland
JAMB (UTME) Biology 1995
Q9189. The diagram represents
A sensory neurone
B relay neurone
C afferent neurone
D motor neurone
JAMB (UTME) Biology 1995
Q9190. The part labelled X is the
A axon
B cell body
C terminal dendrites
D synapse
JAMB (UTME) Biology 1995
Q9191. Which of the following ions is involved in the conduction of the nerve impulse?
A $Ca^{2+}$
B $K^+$
C $H^+$
D $Mg^{2+}$
JAMB (UTME) Biology 1995
Q9192. The depth of illumination in a water body can be measured with a
A photometer
B secchi disc
C hydrometer
D anemometer
JAMB (UTME) Biology 1995
Q9193. In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the
A primary consumer has more energy than the primary producer
B secondary consumer takes up all the energy contents of the primary consumer
C energy is shared equally between the three groups of organism
D secondary consumer gets only a small portion of the energy contained in the primary producer
JAMB (UTME) Biology 1995
Q9194. In spite of the removal of carbon dioxide from the atmosphere, its amount remains more or less constant because
A it is produced by green plants during photosynthesis
B it is produced during respiration by animals
C it is absorbed in ocean water
D green plants release it during the day
JAMB (UTME) Biology 1995
Q9195. In a tropical rain forest, non-epiphytic ferns and fern allies occur as
A middle storey species
B upper storey species
C shade-loving species
D emergent species
JAMB (UTME) Biology 1995
Q9196. Colonization of a bare rock surface is termed
A evolution
B speciation
C primary succession
D secondary succession
JAMB (UTME) Biology 1995
Q9197. Which of the following is a measure for the control of bilharzia?
A Cutting low bushes around homes
B Application of molluscicides in water bodies
C Screening windows and doors with mosquito nets
D Application of herbicides in water bodies
JAMB (UTME) Biology 1995
Q9198. Some of the diseases caused by bacteria are
A tuberculosis, gonorrhoea and AIDS
B Poliomyelitis, syphilis and gonorrhoea
C AIDS, cholera and tuberculosis
D tuberculosis, syphilis and gonorrhoea
JAMB (UTME) Biology 1995
Q9199. Environmental pollutants which can work through the media of water, soil and air include
A carbon monoxide
B noise
C sulphur (IV) oxide
D smoke
JAMB (UTME) Biology 1995
Q9200. Human height is an example of a feature which depends on both
A genotype and phenotype
B genetic and environmental factors
C mother's genotype and environmental factors
D phenotypic and environmental factors