FREE BIOLOGY PRACTICE QUESTIONS
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Which of the following is one celled and free-living? (a) volvox (b) spirogyra (c) Rhizopus (d) Chlamydomonas
Which of these organisms has a body structure at the tissue level of organization? (a) amoeba (b) euglena (c) hydra (d) paramecium
Which of a plant contains cellulose? (a) vacuole (b) chloroplast (c) cytoplasm (d) cell wall
Radial symmetry is a feature common to the (a) Platyhelminthes (b) arthropods (c) coelenterates (d) nematodes
The group of arthropods that has no antennae is the (a) crustacea (b) chilopod (c) Arachnida (d) Diplopoda
Which of the following organisms is a chemo-autotroph? (a) bacteria (b) virus (c) paramecium (d) euglena
The deficiency of one of the vitamins causes sterility (a) thiamine (b) calciferol (c) tocopherol (d) ascorbic acid
In the alimentary system of a bird, the function of teeth is carried out by the (a) crop (b) beak (c) gizzard (d) proventiculus
Which of the following test is not correct (a) using Fehling or Benedict for simple sugar + boiling water bath (b) using iodine solution + boiled starch solution (c) using Sudan III for fats + boiling a black precipitate is found (d) Biuret test for proteins + heat, gives pink colour
The part of the eyes which helps to prevent reflection of light rays is the (a) sclera (b) retina (c) yellow spot (d) choroid
The endocrine gland secreting hormones that induces the thyroid gland to produce more thyroxine is (a) adrenal gland (b) islet of langerhans (c) pituitary gland (d) parathyroid gland
The binomial system of biological classification was developed by (a) Jean Lamarck (b) Charles Darwin (c) Carl Linnacus (d) Schleiden and Schwann
For the size of the pupil of an eye to reduce, (a) the radial muscle contract, while the circular muscle relax (b) the circular muscle contract, while the radial muscle relax (c) the ciliary muscle, while the suspensory ligament contract (d) the suspensory ligament relax, while the ciliary muscle contract
The unevenness of one of the refractive surfaces of the eye lens result to (a) astigmatism (b) presbyopia (c) myopia (d) cataract
How many cranial nerves are present in man? A. 12 B. 31 C. 24 D. 62
The part of the central nervous system which controls the gait(walking posture) is A. cerebrum B. pons varolli C. medulla oblongata D. cerebellum
If water has been colored red and poured at the base of a wilting plant, it will appear as a red stain in the cells of the A. phloem B. parenchyma C. xylem D. epidermis
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The similarity among organisms belonging to the same group will be least within each A. order B. order C. family D. kingdom
One distinctive feature in the life cycle history of liverworts is that they exhibit A. vegetative reproduction B. alternation of generation C. sexual reproduction D. asexual reproduction
The function of the part labelled III is A. production of the oily substance lubricating the skin B. erection of hair tissue C. regulation of heat loss D. production of katanin
In poultry nutrition, the minerals that prevent laying of thin-shelled eggs are A. Calcium and Phosphorus B. Sodium and Calcium C. Phosphorus and Sodium D. Sulphur and Phosphorus
A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were A. able to carry out holozoic nutrition B. able to carry out photosynthesis using carbon dioxide in the pond water C. better adapted to life in darkness than to life in light D. not overcrowded
Which of the following hormones is produced during fright or when agitated? A. insulin B. adrenalin C. thyroxine D. pituitrin
Which of the following statements is not correct of hormones? A. secreted into blood through ducts B. secreted directly into the blood stream C. Inactive chemical substances in the blood stream D. non-specific in their mode of action
Pepsin is found in the A. small Intestine B. large intestine C. Stomach D. Mouth
------ is the first class of food to be digested during digestion. A. protein B. lipids C. carbohydrate D. ptyalin
I. protein II. Amino acid III. Peptone IV. Polypeptide A. I,IV,III,II B. I,III,IV,II C. IV,III,II,I D. I,II,III,IV
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The Eye defect represented in the diagram above is A. Myopia B. Astigmatism C. Hypermetropia D. Glaucoma
The defect represented by the diagram above is best corrected using a -------- lens A. concave B. convex C. bifocal D. compensating curvature
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