Which of the following structure is NOT found in the female agama lizard?
- A. Pre-anal pads
- B. Eardrum
- C. Gular fold
- D. Nasal scale
- E. Nuchal crest
In a dicot leaf, guard cells differ from other epidermal cells because they
- A. have no definite shape
- B. lack nuclei
- C. are smaller
- D. contain chloroplast
- E. lack vacuole
Root hairs are developed from the
- A. root apex
- B. epidermis of root
- C. vascular bundles
- D. endodermis
- E. pericycle
The absence of stomata shows that a leaf may be
- A. from a floating plant
- B. from submerged plant
- C. varigated
- D. from a terrestrial plant
- E. from parasitic green plant
When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to
- A. group O only
- B. group A only
- C. group AB only
- D. groups A and O
- E. groups AB and O
The mammalian pancreas is involved with the?
- A. digestion of food only
- B. digestion and absorption of food
- C. digestion of food and regulation of blood sugar
- D. digestion of food, production of hormone and the regulation of blood sugar
- E. digestion of food, and the regulation of blood
In an epigeal germination, it is the
- A. epicotyl that elongates fast
- B. hypocotyl that elongates fast
- C. hypogeal that elongates fast
- D. plumule that elongates fast
- E. roots that elongate fast
The three blood vessels that supply the mammalian alimentary canals are
- A. segmented artery, hepatic artery and coeliac artery
- B. coeliac artery, anterior mesenteric artery and posteroir mesenteric artery
- C. coelic artery, segmental artery and hepatic artery
- D. hepatic artery, anterior mesenteric artery and posterior mesenteric artery
- E. hepatic portal vein, anterior mesenteric artery and posterior mesenteric artery
In which part of a leguminous plant can you find bacteria like Azotobacter?
- A. Spongy mesophyll of leaf
- B. At the nodes
- C. At the internodes
- D. In nodules
- E. Palisade mesophyll of leaf
Where is the energy produced in a cell?
- A. Nucleus
- B. Nucleolus
- C. Lysosomes
- D. Chloroplast
- E. Mitochondria
Flatworms and roundworms are said to be invertebrates because
- A. they are small animals
- B. they can live inside the vertebrates
- C. some of them are unicellular
- D. they have no backbones
- E. they are parasitic
If the gall bladder of a man is removed by surgery, which of the following processes will be most seriously affected?
- A. Digestion of fats and oil
- B. Formation of urea
- C. Digestion of starch
- D. Conversion of protein
- E. Storage and release of the urine
Which of the following statements is TRUE of inhalation of air by man?
- A. The ribs are not raised
- B. Diaphragm is raised
- C. Intercostal muscles relax
- D. Pressure of the thoracic cavity increase
- E. Size of thoracic cavity increase
In man, spermatozoa are never found in the?
- A. testis
- B. urethra
- C. epididymis
- D. prostrate glands
- E. vas deferens
A pyramid of numbers can be defined as
- A. the number of plants and animals in an ecosystem
- B. an arrangement of organism according to their habitat
- C. the numerical relationships of a food chain
- D. the number of plants and animals in a population
- E. the total number of species and general in a community
If a farmer left his land uncultivated for five years before returning to it, he must be practising
- A. modern agriculture
- B. strip cropping
- C. contour ridging
- D. crop rotation
- E. the bush fallow system
When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to
- A. the addition of saccharin
- B. the addition of sugar
- C. the addition of whisky or local gin
- D. some complex hydrolytic reaction
- E. anaerobic respiration of an organism
Which of these parts of the mammalian ears is directly concerned with the sense of balance?
- A. Cochlea
- B. Eustachian tube
- C. Ear-drum
- D. Pinna
- E. Semicircular canals
The maize grain is regarded as a fruit and not a seed because
- A. it has a coleorhiza
- B. it has a coleoptile
- C. of the relatively large endosperm
- D. there is the remain of a style
- E. of the relatively small scutellum
Which of the following is NOT a function of mammalian blood?
- A. Engulfing bacteria
- B. Production of hormones
- C. Transporting ureas
- D. Distribution of heat
- E. Transporting glucose
Any dry fruit which can break into several parts each containing one seed is a
- A. capsule
- B. aggregrate fruit
- C. legume
- D. schizocarp
- E. follicle