In vascular plants, xylem tissue is responsible for
- A. transportation of water
- B. translocation of food
- C. transportation of hormones
- D. storage of sugar
Which of the following plants shows hypogeal germination?
- A. castor oil
- B. groundnut
- C. maize
- D. orange
Which of the following processes takes place in the carbon cycle?
- A. evaporation
- B. nitrification
- C. combustion
- D. transpiration
Use the diagram above to answer the question that follows
The endocrine gland that is located in the part labelled I is
- A. thyroid
- B. adrenal
- C. parathyroid
- D. pituitary
Which of the following plant is found in the ground layer of a tropical rainforest in Nigeria?
- A. obeche
- B. liverwort
- C. mahogany
- D. oil palm
A fruit formed from one flower with many carpels is referred to as
- A. simple
- B. multiple
- C. aggregate
- D. false
Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?
- A. microbes and water
- B. heat and water
- C. soil and manure
- D. heat and microbe
The first organism evolved from which of the following habitat?
- A. terrestrial
- B. arboreal
- C. aquatic
- D. desert
Ecological succession can result from
- A. newly formed habitat
- B. habitat with abundant food
- C. habitat with space and light
- D. population of plants on a fertile land
Bryophyte is an intermediate group between higher algae and
- A. thallophyte
- B. pteridophyte
- C. spermatophyte
- D. tracheophyte
The transmission of diseases through contamination of food is an economic importance of
- A. mosquitoes
- B. cockroaches
- C. butterflies
- D. bees
The type of variation where there are no remarkable differences between the two extreme individuals is called
- A. continuous variation
- B. morphological variation
- C. physiological variation
- D. discontinuous variation
One of the following is an example of discontinuous variation
- A. shape of the head
- B. blood group
- C. body complexion
- D. pointed nose
A medium texture soil with high organic matter is
- A. clay
- B. loamy
- C. humus
- D. sandy
Bile is a greenish alkaline liquid which is stored in the
- A. gall bladder
- B. liver
- C. stomach
- D. pancreas
Use the diagram above to answer the question that follows
The diagram above is
- A. circulatory system
- B. reproductive system
- C. urinary system
- D. nervous system
The total number of ATP produced during glycolysis is
- A. 3 molecules
- B. 2 molecules
- C. 4 molecules
- D. 6 molecules
Which of the following structures enables the exchange of gases in insects?
- A. skin
- B. tracheae
- C. Malpighian tubules
- D. flame cell
Use the diagram above to answer the question that follows
The zone labelled II is called
- A. supra-tidal zone
- B. pelagic zone
- C. littoral zone
- D. benthic zone
One main feature of trees in the savanna habitat is the possession of
- A. large, leathery leaves
- B. straight slender stems with branches near the top
- C. thin, smooth barks
- D. thick, corky bark
Inbreeding is highly discouraged in humans because it may
- A. increase the death rate of new born
- B. lead to the birth of dwarfs
- C. lead to high rate of competition among offspring
- D. lead to outbreak of hereditary diseases