Biology 1 Past Paper 2024 - Tanzania Certificate of Secondary Education Examination PDF

Find this and other free resources at: https://maktaba.tetea.org THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONSs COUNCIL OF TANZANIA CERTIFICATEOF SECONDARY EDUCATION EXAMINATION 033/1...

Find this and other free resources at: https://maktaba.tetea.org THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONSs COUNCIL OF TANZANIA CERTIFICATEOF SECONDARY EDUCATION EXAMINATION 033/1 BIOLOGY 1 (For Both Schooland Private Candidates) Time: 3 Hours Year: 2024 Instructions 1. This paper consists of sections A, B and C with a total of eleven (11) questions. 2 Answer all the questions in sections A and B, and two (2) questions from section C. 3. Section A carries sixteen (16) marks, section B fifty four (54) marks and section C carries thirty (30) marks. 4. All writing should be in blue or black pen, except for diagrams that must be drawn in pencil. 5. Communication devices and any unauthorized materials are not allowed in the examination room. 6 Write your Examination Number on every page of your answer booklet(s). 100015 ll401033 Page 1of 5 Find this and other free resources at: ce2024 https://maktaba.tetea.org  Find this and other free resources at: https://maktaba.tetea.org SECTION A (16 Marks) Answer all questions in this section. 1. For cach of the itens (i) - (x), choose the correct answer from among the given alternatives and write its letter beside tlhe item number in the answer booklet providcd. () Which part is the functional unit of the kidney? A Pelvis B Nephron C Cortex D Medulla Ureter (i) Form Two students were required to measure 250 cm' of water when doing food testcxperiment. Which apparatus did they use? A Beaker B Dropper C Petri dish D Watch glass E Spatula (iii) How can a patient diagnosed with kidney sloncs control thc disorder? A Eating very salty foods B Eating enoughfibre food Taking food rich in sodium D Taking diet high in protein E Drinking plenty of water (iv) Form Thrce students took athermometer and measured the temperature of the following organisms: frog, duck, rat, lizard, and rabbit under cold and later under hot environment. Which organisms would the temperature remain constant? A Rabbit, Lizard and Rat B Frog, Rabbit and Duck Rabbit, Duck and Rat D Lizard, Rabbit and Duck F Duck, Lizard and Frog (V) What is the function of the nucleus ina cell? A Controls allcell activities B Determines the cell permeability Produces energy for the cell D Excretes wastes from the cell Protects and support the cell (vi) Which statements support the Darwin's theory of organic evolution? (i) Living organisms produce more offspring than the environment can support. (ii) An individual is able to develop structures to suit the need of the environment. (iii) Organisms struggle for existence of the limited resources such as mates. (iv) The fittest organisms survive while the less adapted organisms are eliminated. (v) The more an individual used a part of its body the more developed that part became. A (i), (ii)and (iii) B (),(ii) and (iv) C (i), (ii) and (iv) D (ii), (iv) and (v) E (ii), (iv) and (v) Page 2 of 5 Find this and other free resources at: cree2024 https://maktaba.tetea.org  Find this and other free resources at: https://maktaba.tetea.org (vi) Form Three students were given a scalpel and hibiscus flower and they were required to dissect and display the female reproductive parts. Which parts were expected to be displaycd? A Ovary, Style and Stigma B Filament, Anther and Ovary Petal, Ovary and Anther D Ovary, Stigma and Filament Anther, Ovary and Stigma (vii) Two people were cutting firewood in the forest then they saw a lion and suddenly climbed a tree to escape the lion. Which hormone prepared them for that action? A Prolactin hormone B Aldosterone hormone Adrenaline hormone D Growth hormone Antidiuretic hormone (ix) Which one of the following is the correct classification of paramecium? A Kingdom Protoctista, Phylum Apicomplexa B Kingdom Animalia, Phylum Rhizopoda Kingdom Protoctista, Phylum Zoomastigina D Kingdom Protoctista, Phylum Ciliophora E Kingdom Fungi, Phylum Ascomycota (x) Which chemical composition is correct about DNA? A Deoxyribose, Uracil., Guanine and Phosphate group B Phosphate group, Deoxyribose, Thymine and Uracil Deoxyribose, Adenine, Ribose and Phosphate group D Uracil, Phosphate group, Cytosine and Deoxyribose E Phosphate group, Deoxyribose, Cytosine and Adenine 2 Match the uses of components of the First Aid kit in List A with their corresponding components in List B by writing the letter of thecorrect response beside the item number in the answer booklet provided. List A List B (i) Covering wounds to protect them fromn dirt and A Soap germs. Liniment Cotton wool (ii) Cleaning and drying wounds. D Sterile gauze (iii) Covering the hands to avoid infection of the wounds. E Petroleum jelly Razor blades (iv) Treating burns and scalds. G Sterile gloves (v) Securing bandages. H Safety pins (vi) Reducing muscle pain. Page 3 of 5 Find this and other free resources at: ee2024 https://maktaba.tetea.org  Find this and other free resources at: https://maktaba.tetea.org SECTION B (54Marks) Answer allquestions in this section. 3 Awoman visited a food seller and bought the following foods: cggs, Irish potatoes and sunflower secds. (a) ldentify the type of nutrient found in cach of the food items listed. (b) Give four functions of the nutrient identified in the eggs. 4. Why are personal hygiene and good manner important in our daily life? Give six points. 5. When doing experiment, accidentally Bahati touched hot water with her finger and she immediately withdrew it. (a) Explain the process of impulse flow from touching the hot water to the moment she responded. Give five points. (b) Draw the sensory neurone that picked up the nerve impulses from the receptor when she touched the hot water and label any four parts. 6 (a) How does irresponsible sexual behaviour differ from responsible sexual behaviour? (b) Briefly explain four ways which can be used to eradicate irresponsible sexual behaviour. 7. (a) In three points, differentiate movement from locomotion. (b) Explain the importance of movement to the living organisms. Give two points. 8 When a red-flowered rose plant was crossed with a white flowered rose plant all members of the Fi generation were pink. Using genetic diagrams illustrate the cross made. ). Page 4 of 5 Find this and other free resources at:.ee2024 https://maktaba.tetea.org  Find this and other free resources at: https://maktaba.tetea.org SECTION C (30 Marks) Answer two (2) qucstions from this section. The blood circulation is important for survival of human bcing. In six points, justify this statement. 10. Analyse five factors which affectthe rateof respiration in living organis1ms. I1. Youarc invited by the ward leader in thc nearby village to talk about cholera. Explain six preventive measures of the discase that you would address to the villagers. Page S of 5 Find this and other free resources at: https://maktaba.tetea.org