A sudden change in the genetic composition of an organism is termed
- A. mutation
- B. linkage
- C. variation
- D. epistasis
Paternity disputes could be resolved accurately through
- A. finger printing
- B. tongue rolling
- C. DNA test
- D. blood group
The capturing and digestion of insects by a pitcher plant is a special form of nutrition that is
- A. heterotrophic
- B. saprophytic
- C. chemosynthetic
- D. autotrophic
The following activities are associated with termites except
- A. nuptial flight
- B. searching for food
- C. communication
- D. pollination
Use the information below to answer the question
I – making shoes from crocodile skin
II – making tables with plastic
III – using elephant tusk for decoration
IV – using firewood for cooking
In order to avoid some of the acts that would have negative effects on conservation. Government should
- A. encourage over-utilization of forest resources
- B. enact and enforce laws towards conservation of resources
- C. encourage indiscriminate killing of wildlife
- D. promote felling of trees without planting new ones
Use the information below to answer the question
I – making shoes from crocodile skin
II – making tables with plastic
III – using elephant tusk for decoration
IV – using firewood for cooking
The act that should be encouraged for the conservation of wildlife and forests is
- A. III
- B. IV
- C. II
- D. I
The diagram above is an illustration of some structures used for gaseous exchange in humans. Study it and answer the question
the part labeled III can be found in the
- A. lung
- B. heart
- C. kidney
- D. sternum
The diagram above is an illustration of some structures used for gaseous exchange in humans. Study it and answer the question
The parts labeled 1, II, III, and IV respectively are
- A. larynx, bronchus, bronchiole and trachea.
- B. bronchus, bronchiole, trachea and larynx.
- C. bronchiole, trachea, bronchus and larynx.
- D. larynx, trachea, bronchiole, and bronchus.
The androecium in a flowering plant is a collection of
- A. stamens
- B. sperms
- C. ovules
- D. filament
The tricuspid valve is located between the
- A. right auricle and right ventricle.
- B. aorta and the left ventricle
- C. left auricle and left ventricle
- D. right auricle and the superior vena cava
Fishes survive in water mainly because they possess
- A. streamlined body
- B. scales
- C. paired fins
- D. gills
The diagram above is an illustration of a cell in which photosynthesis takes place. Study it and answer the question. the oxygen gas formed in the cell diffuses out of the cytoplasm into the air spaces through the part labeled
- A. I
- B. II
- C. III
- D. IV
The diagram above is an illustration of a cell in which photosynthesis takes place. Study it and answer the question
In which of the labeled parts would molecules of water and carbon (IV) oxide combine to form sugar?
- A. I
- B. III
- C. II
- D. IV
The illustration above is a genetic diagram. Study it and answer the question
What is the genotypic ratio
- A. 1:1
- B. 4:0
- C. 1:3
- D. 1:2:1
The illustration above is a genetic diagram. Study it and answer the question below
What do the labels I, II, III, and IV respectively represent?
- A. Ee, Ee, EE and E
- B. EE, EE, Ee, and Ee
- C. EE, EE, EE and EE
- D. EE, EE, Ee and ee
The illustration above is a genetic diagram. Study it and answer the question below.
What is the name of the genetic diagram?
- A. Genetic square
- B. Inheritance diagram
- C. Punnett square
- D. Genetic cross
Which of the following processes does not occur during photosynthesis?
- A. Energy from sunlight is absorbed
- B. Carbon (IV) oxide is evolved
- C. oxygen is evolved
- D. water is split
The eye defect caused by an uneven curvature of the cornea or lens or both is
- A. myopia
- B. presbyopia
- C. astigmatism
- D. hypermetropia
Stunted growth and small yellow leaves in plants are symptoms of the deficiencies of
- A. nitrogen
- B. iron
- C. sulphur
- D. magnesium
An example of a process that involves osmosis is the
- A. movement of water from root hairs into cortical cell
- B. reabsorption of food nutrients from the kidney into blood capillaries
- C. translocation of starch from leaves to all parts of a plant
- D. movement of digested food from ileum into blood capillaries
Which of the following characteristics shows discontinuous variation in plants?
- A. Colour of flower
- B. Leaf size
- C. Height of plant
- D. fruit size