The diagram is the transverse section of a
- A. monocotyledonous stem
- B. dicotyledonous stem
- C. monocotyledonous root
- D. dicotyledonous root
In the diagram, the part labelled I is the
- A. xylem
- B. phleom
- C. root hairs
- D. cortex
In the diagram, the organs for attachments to the lining of the host’s intestine are labelled
- A. ii and iii
- B. iii and iv
- C. i and ii
- D. i and iii
Use the diagram above to answer this question. The young proglottid is represented by
- A. III
- B. IV
- C. I
- D. II
Use the diagram above to answer this question. The part responsible for photosynthesis is labelled
- A. III
- B. IV
- C. I
- D. II
Use the diagram to answer this question. The part labelled II is the
- A. nucleus
- B. eyespot
- C. basal granule
- D. contractile vacuole
i. Growth is mainly apical ii. Growth is specific with definite shape iii. Growth is throughout life. Which of the above correctly describes the growth pattern in plants?
- A. i, ii and iii only
- B. ii and iii only
- C. i and ii only
- D. i and iii only
Adaptive radiation is illustrated in
- A. modified insect mouthparts
- B. dentition in mammals
- C. wings in birds and bats
- D. appendages in insects
All living organisms are constantly involved in a struggle for existence. This was proposed by
- A. Morgan
- B. Darwin
- C. Lamarck
- D. Wallace
An example of a poikilothermic organism is a
- A. Lizard
- B. Cockroach
- C. rabbit
- D. bird
The stream-lined shape of fishes is an adaptation for
- A. Securing mates
- B. easy movement
- C. obtaining food
- D. defence and attack
An individual with blood group AB can receive blood from those in blood group(s)
- A. A, B, AB, O
- B. A, AB and O only
- C. AB only
- D. A and B only
One of the advantages of outbreeding is
- A. pests tolerance
- B. disease resistance
- C. fast growth
- D. tall height
A biological agent with antiviral property is
- A. Interferon
- B. enzyme
- C. antibiotic
- D. disinfectant
A couple has 10 children, all female. Which of the following best explains the situation
- A. The sex determination was by the man's X chromosome
- B. The man's sperm count is low
- C. The woman is not capable of producing male children
- D. The sex determination was by the man's Y chromosome
Whorls, arches, loops and compounds are types of variation in
- A. Colour
- B. Finger prints
- C. Hair Colour
- D. Blood group
When the adults have reach a certain degree of weakness, the process of binary fission is replaced by conjugation in
- A. Paramecium
- B. Euglena
- C. Amoeba
- D. Plasmodium
A pollutant that is mostly associated with acid rain is
- A. Nitrogen (IV) Oxide
- B. Ozone
- C. Fluorine
- D. Carbon (IV) Oxide
Which of the following is true of small pox?
- A. It is transmitted by bacteria
- B. It can effectively be controlled with antibiotics
- C. It can effectively be controlled by vaccination
- D. It is a water-borne infection
A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is
- A. Carbon (II) Oxide
- B. Water Vapour
- C. Ozone
- D. Carbon (IV) Oxide
One of the ways of controlling noise pollution in urban areas is
- A. by siting industries away from residential areas
- B. that fuel should be completely combusted by engines
- C. by planting trees on both sides of the road
- D. by wearing ear devices