The component that serves as major buffer in blood is
- A. plasma
- B. erythrocytes
- C. leucocytes
- D. lymph
A discontinuous morphological variation often used in crime detection is the
- A. skin colour
- B. blood group
- C. finger prints
- D. eye colour
The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a
- A. Z- shaped loop
- B. L- shaped loop
- C. U- shaped loop
- D. I- shaped loop
The resemblance of an organism to another organism as means of enhancing it’s chances of survival in its habitat is known as
- A. counter shading
- B. protective colouration
- C. mimicry
- D. warning
If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?
- A. 1 : 2 : 1
- B. 2 : 2
- C. 3 : 1
- D. 2 : 1 : 1
The common examples of trees found in the desert are
- A. raffia palm and coconut
- B. baobab and cacti
- C. white and red mangrove
- D. shea-butter and isobelina
Which of the following factors can lead to overcrowding?
- A. Emigration
- B. Competition
- C. High natality
- D. High mortality
Use the diagram above to answer the question that follows
The diagram demonstrates
- A. thigmotropism
- B. phototropism
- C. geotropism
- D. hydrotropism
The cell organelle responsible for the synthesis of protein is the
- A. centriole
- B. vacuole
- C. plastid
- D. ribosome
Infectious diseases are caused by
- A. bacteria
- B. protists
- C. Amoeba
- D. protozoa
Which of the following characteristics is possessed by both living and non-living things?
- A. Both age and die
- B. Both have life
- C. Both have weight
- D. Both have no shape
The endocrine gland that is called the master gland is the
- A. thyroid gland
- B. pancreas
- C. pituitary gland
- D. adrenal gland
Iron is an essential nutrient in plants because it
- A. aids in the formation of chlorophyll and proteins
- B. helps in cell division
- C. protects the plants from pest attack
- D. fastens fruits maturation
Comparative anatomy to study evidence for evolution depends on
- A. four fingered
- B. three fingered
- C. two fingered
- D. five fingered
Use the diagram above to answer the questions that follow
The part labelled I is
- A. oviduct
- B. placenta
- C. amnion
- D. uterus
In plants, the main excretory product produced during metabolism is
- A. oxygen
- B. alkaloids
- C. carbon(iv)oxide
- D. mucilage
The type of circulatory system found in arthropods and some molluscs is
- A. open circulatory system
- B. closed circulatory system
- C. single circulatory system
- D. double circulatory system
Use the diagram above to answer the question that follows
The experiment is set up to determine the presence of
- A. chlorophyll
- B. starch
- C. oxygen
- D. pigment
Which of the following is a viral disease?
- A. Syphilis
- B. Measles
- C. Cholera
- D. Typhoid
Which of these is a medium of transportation in plants?
- A. cell sap
- B. Nucleus
- C. Mitochondrion
- D. Ribosome
The part of the flower that develops into seed is
- A. ovule
- B. pedicel
- C. petal
- D. style