Biology · Karatasi 2B · 2009
3 maswali 🇹🇿 NECTA ✓ Majibu rasmi ya NECTABiology · Karatasi 2B · 2009
3 maswali
Mtihani wa saa 3 wa muda · husahihishwa kiotomatiki · huhesabiwa kwenye nafasi
Lipa na anza mtihani →Sehemu A
Dissect specimen M to expose reproductive organs. (a) Draw a labelled diagram showing five reproductive parts. (b) State sex of M and give four reasons. (c) Why should anaesthesia be used before dissection?
Boresha ili kuona majibu ya mfano.
Sehemu B
You are provided with solution R (Sucrose). (a) Conduct food tests and complete the table: Test For Procedure Observation Inference (b) Name two natural food sources of solution R. (c) Identify: (i) First site of digestion (ii) Digestive juice (iii) End product of digestion
Boresha ili kuona majibu ya mfano.
Sehemu C
Observe specimens S, T and U. (a) Give two ways specimen T is important to humans. (b) List three features placing T in Class Insecta. (c) Use three features to differentiate S and T. (d) Draw specimen U and label three parts.
Boresha ili kuona majibu ya mfano.