One of the functions of water in seed germination is to?
- A. dilute the embryo
- B. make the soil wet and soft
- C. activate the enzymes
- D. promote aerobic respiration
The beak structure of the organism is best adapted for?
- A. pecking grass
- B. killing and picking fish
- C. pecking woods
- D. sucking nectars
The organism above is?
- A. chlamydomonas
- B. algae
- C. volvox
- D. euglena
The part labelled II is?
- A. pellicle
- B. cytoplasmic connections
- C. flagella
- D. cells
An adaptive feature of camel to the desert is?
- A. ability to increase sweat production
- B. ability to pass high amount of urine
- C. ability to tolerate low degree of dehydration
- D. ability to tolerate high degree of dehydration
The system of classification in which there are seven hierarchies from kingdom to species was introduced by?
- A. Felix Dujardin
- B. Carolus Linneus
- C. Theodore Schwann
- D. Charles Darwin
petaloid sepals serve the function of?
- A. carrying out photosynthesis
- B. attracting pollinating agents to a flower
- C. retaining pollen grains in the corolla tubes
- D. protecting the inner floral parts of the flower
The under secretion of thyroxine in children results in?
- A. goitre
- B. gigantism
- C. kwashiorkor
- D. cretinism
Pentadactyl plan of the fore limbs of frog, bird, horse, whale and man is a proof of?
- A. spontaneous generation
- B. evolution
- C. locomotion
- D. creation
The sum total of all observable features of an organism is?
- A. phenotype
- B. heterozygous
- C. genotype
- D. homozygous
The end product of the digestion of carbohydrate is?
- A. amino acid
- B. glycerol
- C. glucose
- D. sucrose
The display of male agama lizard is to?
- A. scare predators
- B. regulate body temperature
- C. attract female for mate
- D. give invite to intruders
Conversion of atmosphere carbon into chemical bond energy occurs during the process of?
- A. transpiration
- B. photosynthesis
- C. digestion
- D. respiration
The growth of mucor on a piece of bread is?
- A. scavenging
- B. commensalism
- C. autotrophism
- D. saprophytism
An ecological instrument used to measure wind direction is?
- A. Secchi disc
- B. wind vane
- C. anemometer
- D. slope gauge
In genetic counseling, a man with hemoglobin formation HbA HbS is most preferred to marry a woman of?
- A. HbA HbA
- B. HbC HbH
- C. HbM HbF
- D. HbS HbS
The genes crossing over occurs during?
- A. fertilization
- B. mutation
- C. mitosis
- D. meiosis
Tall trees with buttress roots and evergreen leaves are characteristics features of?
- A. temperate grass land
- B. Southern Guinea Savanna
- C. tropical rain forests
- D. Northern Guinea savanna
The correct pathway for blood flow from the heart to the tissues of mammals is?
- A. heart-arteriole-artery-tissues
- B. heart-artery-arteriole-tissues
- C. heart-vein-venule-tissues
- D. heart-venule-vein-tissues
When a colour blind woman marries a normal man, what is the probability of their son being colour blind?
- A. 25%
- B. 100%
- C. 50%
- D. 0%
The structure that joins the two strands of a chromosome together is the?
- A. spindle
- B. cellulose
- C. centromere
- D. chromatid