Haya, tuendelee na maswali mengine:

Haya, tuendelee na maswali mengine: 39. Mention one way an adult can acquire natural immunity. Njia moja ambayo mtu mzima anaweza kupata kinga ya asili ni kupitia kuambukizwa na ugonjwa (kwa mfano, kupata surua na kisha kuwa na kinga dhidi yake). 40. Why is it important to plant trees in a school compound? Ni muhimu kupanda miti katika eneo la shule kwa sababu: • Hutoa kivuli kwa wanafunzi na walimu. • Husafisha hewa kwa kunyonya kaboni dioksidi na kutoa oksijeni. • Huongeza uzuri wa mazingira ya shule. 41. a) Mention any two electronic devices used to store sound. Vifaa viwili vya kielektroniki vinavyotumika kuhifadhi sauti ni: (i) Flash drive (kifaa cha kuhifadhi data) (ii) CD (Compact Disc) au Hard disk drive b) State two advantages of storing sound energy. Faida mbili za kuhifadhi nishati ya sauti ni: (i) Inaweza kuchezwa tena (playback) wakati wowote inapohitajika. (ii) Inaweza kushirikiwa na watu wengine kwa urahisi. 42. a) Write any two conditions that can make a human being become a vulnerable. Hali mbili zinazoweza kumfanya binadamu kuwa hatarini ni: (i) Ugonjwa sugu au ulemavu. (ii) Umaskini au ukosefu wa makazi. b) Give two advantages of breastfeeding to a baby. Faida mbili za kunyonyesha mtoto ni: (i) Maziwa ya mama yana virutubisho vyote muhimu kwa ukuaji wa mtoto. (ii) Maziwa ya mama yana kingamwili zinazomlinda mtoto dhidi ya magonjwa. 43. a) Which cattle disease causes each of the following signs? (i) saliva discharge from the mouth: Ugonjwa wa Miguu na Midomo (Foot and Mouth Disease - FMD) (ii) blood and pus clots in milk: Mastitis b) Mention any two ways of preventing cattle diseases on a cattle farm. Njia mbili za kuzuia magonjwa ya ng'ombe kwenye shamba ni: (i) Chanjo ya mara kwa mara kwa ng'ombe. (ii) Kudumisha usafi wa banda na vifaa vya ng'ombe. That's 2 down. 3 left today — send the next one.