Use the diagram to answer the question.
The structure labelled i is
- A. photosensitive
- B. radiosensitive
- C. chemoreceptive
- D. tactile
Use the diagram to answer the question.
The type of protective adaption exhibited by the animal is
- A. disruptive colouration
- B. flash colouration
- C. countershading colouration
- D. warning colouration
Which of the following vertebrates has the most simple structured heart
- A. reptile
- B. fish
- C. mammal
- D. Amphibian
Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents
- A. both parent possess genes for shortness
- B. the father possess a gene for shortness
- C. nature makes the child short
The only caste in the termite colony whose members can feed themselves are the
- A. workers
- B. reproductives
- C. soldiers
- D. nymphs
When bacteria swim from cold to warm regions, this is known as
- A. positive phototaxis
- B. negative phototaxis
- C. positive thermotaxis
- D. negative chemotaxis
Use the table to answer the question.
Which of the zones is likely to be a desert?
- A. i
- B. ii
- C. iii
- D. iv
Use the table below to answer the question.
High relative humidity will be expected in Zones
- A. ii and iv
- B. ii and iii
- C. i and iii
- D. i and iv
Paternity disputes can most accurately be resolved through the use of
- A. blood group typing
- B. finger printing
- C. tongue rolling
- D. DNA Analysis
The noticeable adaptation of the animal to it’s aquatic habitat is the possession of
- A. webbed digits
- B. four limb
- C. wide mouth
- D. large eyes
Use the diagram to answer the question.
The process of water loss and intake indicated by the arrows labelled i and ii are respectively
- A. evaporation and osmosis
- B. osmosis and exhalation
- C. osmosis and diffusion
- D. urination and diffusion
In a population of living things, the parameters of size, height, weight and colours are examples of
- A. continuous variation
- B. non-heritable variation
- C. discontinuous variation
- D. physiological variation
Both recesssive and dominant characters are found
- A. on different chromosome in the cell
- B. at the same logus of a homologous chromosome
- C. at a different loci of a homologous chromosome
- D. on the same chromatid in a chromosome
The probability of a baby being a boy or a girl depends on the contribution of the
- A. father's sex cells
- B. father's stomatic chromosome
- C. mother's sex cell
- D. mother's X-chromosome
For growth to occur in organisms, the rate of
- A. anabolism must exceed that of catabolism
- B. catabolism must exceed that of anabolism
- C. food storage must be low
- D. food storage must be high
Vaccination is carried out in order to
- A. check the production of poison
- B. increase the activities of white blood cells
- C. increase the number of red blood cells
- D. stimulate the production of anti-bodies
Floating microscopic heterotrophs are mostly grouped as
- A. phytoplankton
- B. zooplankton
- C. microbes
- D. nekton
The biological association that contributes directly to succession in a community is
- A. competition
- B. predation
- C. parasitism
- D. commensalism
A group of organism of different species living in a particular area is described as a
- A. colony
- B. community
- C. population
- D. niche
The ability of the eyes to focus on both near and distance objects is termed
- A. image formation
- B. refraction
- C. hypermetropia
- D. accommodation
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