Which of the following is NOT a part of the alimentary canal?
- A. Oesophagus
- B. Large intestine
- C. Liver
- D. Small intestine
Which of the following is an example of an adaptation for survival in social insects?
- A. Migration to warmer climates
- B. Production of venom for defense
- C. Formation of complex caste systems
- D. Hibernation during winter months
Which of the following is evidence of evolution?
- A. All of the above.
- B. Similarities in embryonic development
- C. Fossils of extinct organisms
- D. Homologous structures in different species
The membrane around the vacuole is known as
- A. Elaioplast
- B. Amyloplast
- C. Tonoplast
- D. Cytoplast
Which of the following is a characteristic of cells related to irritability?
- A. Ability to respond to stimuli
- B. Ability to synthesize proteins
- C. Ability to generate energy
- D. Ability to replicate DNA
Which of the following is an example of a microorganism in action as a disease vector?
- A. Fungi decomposing dead plant material
- B. Mosquito transmitting malaria
- C. Bacteria causing food poisoning
- D. Algae producing oxygen through photosynthesis
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