First Term Examination
Class : SSS 2
Subject : Biology
Name : _______________________________
Time : 2 Hours
Section A : Objective Questions
Instruction : Read the question carefully and pick from the options lettered a – d.
1. Which part of the female reproductive system remains blocked after tubectomy? (a) Fallopian tube (b) Oviduct (c) Cervix (d) Uterine cavity
2. What problems in reproductive health care require doctors help? (a) STDs (b) Conception, parturition and abortion (c) Contraception, infertility, menstruation problem (d) All of the above
3. Which of the following are components of glomerulus filtrate? (a) all of the components of blood except mineral salts. (b) water and salt only (c) all of the components of blood except plasma protein and cells (d) plasma proteins, red and white blood cells.
4. The programs to get total reproductive health as a social goal of national level are called ___________. (a) Family organization (b) Family planning (c) Family care (d) Reproductive care
5. The stems of young herbaceous plants are kept upright mainly by _____________. (a) Osmotic pressure (b) turgor pressure (c) transpiration pull (d) suction pressure
6. Different tissues in plants contribute to the support of the parts as a result of the following characteristics except _________. (a) malleability (b) rigidity (c) flexibility (d) resilience
7. In cellular respiration, energy is stored in the form of ___________________________. (a) adenosine diphosphate (ADP) (b) adenosine monophosphate (AMP) (c) adenosine Triphosphate (ATP) (d) Heat energy
8. Breathing movement in mammals is accompanied by regular movements of the diaphragm and the ______________. (a) intercostal muscles (b) vertebral column (c) clavicle (d) plueral cavity
9. Which of the following statements is not correct of respiration? (a) gaseous exchange occurs by diffusion (b) oxygen combines with hemoglobin at respiratory surface. (c) carbon dioxide produced in the tissues is removed by the process of osmosis. (d) there are no special organs for respiration in plants
10. Muscles are attached to bones by means of _______________. (a) ligament (b) cartilage (c) synovial membrane (d) tendons
11. Gaseous exchange takes place in the adult toad through the _________________. (a) buccal cavity, bladder and lungs (b) buccal cavity, skin and lungs (c) tympanic membrane, lungs and gills (d) buccal cavity, skin and spiracles.
12. The thoracic cavity is separated from abdominal cavity by a sheet of muscle called ____________. (a) plueral membrane (b) intercostal muscle (c) diaphragm (d) pericardium
13. Which of the following organism and organs of gaseous exchange are not appropriately matched? (a) earthworm : body surface (b) fish : gills (c) adult toad : gills (d) grasshopper : trachea
14. Which of the following statements is correct? The _____________. (a) biceps muscles has its origin on the head of the humerus (b) biceps muscles is inserted at the ulna (c) triceps muscle originated at the scapula and head of the humerus (d) ulna is pulled up when the biceps is relaxed.
Study the list below and use it to answer questions 15 and 16 :
I. Lumber vertebrae II. Thoracic vertebrae III. Cervical vertebrae IV. Sacral vertebrae V. Caudal vertebrae
15. Which of the following are found immediately next to the skull? (a) I (b) II (c) III (d) IV
16. Which of the following articulated with the ribs? (a) I (b) II (c) III (d) IV
17. Which of the following structures does not function as support in animals? (a) Cuticle in arthropods (b) scales in birds (c) Cartilage in mammals (d) Body fluid in earthworms
18. Which of the following performs the same functions as the contractile vacuole in a unicellular organism? (a) kidney (b) Alimentary canal (c) Liver (d) Pancreas
19. In animals the main protective covering is found in the _______________. (a) adipose tissues (b) epithelial tissues (c) bone tissues (d) connective tissues
20. Which of the following methods of reproduction is common to paramecium and amoeba? (a) Conjugation (b) budding (c) Binary fission (d) Sexual reproduction
21. The overall reaction in glycolysis can be summarized as ______________________. (a) C6H12O6 => C3H4O3 + 4H + ATP (b) C6H12O6 => 2C3H4O3 + 4H + 2ATP (c) C6H12O6 => 2C3H4O3 + 4H + ADP (d) C6H12O6 => 2C3H4O3 + 4H + 2ADP
22. The upper part of the trachea in mammals is called ___________. (a) palate (b) epiglottis (c) larynx (d) glottis
23. The organelle which eliminates water from the body of protozoa is ___________. (a) plasma membrane (b) contractile vacuole (c) cell wall (d) protoplasm
24. The respiratory organ found in the cockroach is the __________. (a) air sac (b) trachea (c) lung book (d) lung
25. Terrestrial plants exchanges gases through the following except ___________. (a) chloroplast (b) stomata (c) root cells (d) lenticels
26. The inorganic components of bone consist of _______________________________. (a) magnesium, sodium and calcium (b) magnesium, phosphorus and calcium (c) sodium, phosphorus and calcium (d) potassium, magnesium and calcium
27. In the anaerobic stage of respiration, the net ATP molecules produces per glucose molecule is _________. (a) one (b) two (c) three (d) four
28. Which of the following is a method of artificial vegetative propagation? (a) Creeping stem (b) Layering (c) Corm (d) Rhizome
29. Water vapour is lost in plants during transpiration through ____________. (a) stomata and lenticels (b) xylem and stomata (c) sclerenchyma and stomata (d) parenchyma and lenticels
30. Which of the following has the most primitive respiratory system? (a) Rat (b) Fish (c) Toad (d) Grasshopper
31. Which of the following statements on urine production is not correct? (a) concentrated urine is produced under the control of antidiuretic hormone (b) the total volume of urine produced depends on the need for water excretion (c) if there is an excess intake of water, dilute urine is excreted. (d) if there is a shortage of water in the body the volume of urine produced decreases.
32. Which of the following is the correct route for the movement of materials through the kidney? (a) Glomerulus => Bowman’s capsule => Loop of Henle => Collecting tubule => Pelvis (b) Glomerulus => Loop of Henle => Collecting tubule => Bowman’s capsule => Pelvis (c) Pelvis => Bowman’s capsule => Glomerulus => Loop of Henle => Collecting tubule (d) Bowman’s capsule => Glomerulus => Loop of Henle => Collecting tubule => Pelvis
33. Which of the following constitutes the main internal tissue of a leaf? (a) Cuticle (b) Mesophyll (c) Vascular tissue (d) Lower epidermis
34. Which of the following statements about asexual reproduction is correct? It (a) always involves one parent but the offspring is genetically different from the parent. (b) may involve two parents but the offspring is always identical to one parent (c) always involve two parents but the offspring is genetically identical to the parent. (d) involves two parents but the offspring is not genetically identical to any of the parents.
35. Which of the following processes is a form of sexual reproduction? (a) Budding by yeast cells (b) Conjugation in spirogyra (c) Binary fission in Amoeba (d) Rhizome production by ginger
36. In aerobic respiration, oxidative phosphorylation takes place in the ______. (a) cytoplasm (b) mitochondrion (c) lysosome (d) vacuole
37. The process of anaerobic respiration of yeast in sugar solution is known as ________. (a) oxidation (b) fermentation (c) tissue respiration (d) alcohol production
38. The transfer of ripe pollen grains from the anther to the stigma of the same flower is termed _______. (a) fertilization (b) self – pollination (c) reproduction (d) conjugation
39. Which of the following can be used for vegetative propagation? (a) Ginger stem (b) Sweet potato tuber (c) Yam leaf (d) Plantain roots
40. The following are functions of the skeleton except _________________________. (a) providing support for the body (b) protection of delicate internal organs (c) maintenance of the shape (d) controlling growth rate in animals
Section B : Theory
Instruction : Answer question 1(compulsory) , and any other two (2).
1a. What is cellular respiration?
1b. How does the mammalian kidney function as an excretory organ?
1c. State four (4) functions of the mammalian skeleton and name a particular part of the skeleton which performs each of these functions.
1d. Make a well labeled diagram, 8cm – 19cm long of a typical movable joint
1e. State two (2) harmful effects of female genital mutilation.
1f. Name four supporting tissues in plants.
1g. Explain the procedure for administering the mouth to mouth method of artificial respiration.
2a. What is incision?
2b. In a tabular form outline four differences between sexual and asexual reproduction.
2c. Briefly state the importance of excretion to living organisms.
2d. Draw and label 6 – 8 cm long, the anterior view of the thoracic vertebra
3a. What is excretion?
3b.In a tabular form, state three (3) differences between gaseous exchange and aerobic respiration
3c. Give a brief account of a pentadactyl limb plan in mammals.
3d. Mention the substances contained in urine.
4a. What is respiration?
4b. Briefly describe how bones and muscles bring about movement at the elbow.
4c. Briefly describe five (5) methods used in vegetative propagation with examples.
5a. Define Parental care.
5b. State five (5) care and protection of the reproductive organs.
5c. Describe the mechanism of opening and closing of the stomata.
5d. List three (3) types of movable joints and mention one location in the mammalian body of each types.
