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
Placentation in fruits is referred to as the
- A. arrangement of ovules in the ovary of a flower
- B. part of the ovary where the ovules originate and remain till maturity
- C. ovules borne on a central column of tissues in an ovary
- D. formation of a single carpel joined at the two edges of an ovule
Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The Phylum of the organism labeled IV is
- A. Platyhelminthes
- B. mollusca
- C. Arthropoda
- D. Coelenterata
Study the list of organisms below and use them to answer the questions.
I-Hydra
II-Owl
III-Snake
IV-Snail
The arrangement of the organisms in order of increasing complexity is
- A. II-III-I-IV
- B. I-IV-III - II
- C. I-II-III-IV
- D. IV-III-II - I.
The diagram below is an illustration of a structure in the skeletal system of humans. Study it and answer the question
An individual was involved in a car accident and the illustrated structure was badly injured. Which of the following structures would most likely be affected?
- A. Clavicle, tongue and pelvis
- B. Eye, cerebellum and ear
- C. Ear, brain and hinge joint
- D. Lumbar, eye and teeth
The diagram above is an illustration of a structure in the skeletal system of humans. Study it and answer the question
the illustrated structure is a part of the
- A. appendicular skeleton
- B. axial skeleton
- C. axis vertebrae
- D. cervical vertebrae
Which of the following soil types have a high capillarity?
- A. Sand and clay
- B. loam and sand
- C. silt and sand
- D. silt and clay
The diagrams below are illustrations of organisms in a habitat. Study them and answer the question, the producer in the diagram is
- A. IV because it is the largest organism in the diagram
- B. IV because it is the organism that receives the highest amount of sunlight
- C. I because it uses sunlight to manufacture food
- D. I because it contains the least amount of energy
The diagrams below are illustrations of organisms in a habitat. Study them and answer the question,
The feeding relationship between the organisms labelled III and IV in the diagrams is
- A. predation
- B. mutualism
- C. parasitism
- D. saprophytism
Which of the following organisms would be the producer in a food chain?
- A. Goat
- B. maize
- C. man
- D. bacterium