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Biology · Karatasi 2B · 2007

3 maswali

💰 Fanya mtihani kamili TZS 200

Mtihani wa saa 3 wa muda · husahihishwa kiotomatiki · huhesabiwa kwenye nafasi

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Maswali (3)

Sehemu A

1. 30 alamas

Dissect specimen M to display its reproductive system.

(a(i)) Draw a well-labelled diagram showing at least four parts of the reproductive system. 10 alama
(a(ii)) Indicate the position of the kidneys and oviducts/testes. 5 alama
(b(i)) Identify the organ for gamete production. 2 alama
(b(ii)) Which organ temporarily stores gametes? 2 alama
(b(iii) Name the organ used to transport gametes. 2 alama
(c(i)) What is the consequence of cutting the anterior abdominal vein? 3 alama
(c(ii)) Why is water added during dissection? Give two points. 6 alama

Boresha ili kuona majibu ya mfano.

Sehemu B

2. 10 alamas

You are provided with solution Q.

(a(i)) Perform food tests using the provided reagents. 0 alama
(a(ii)) Complete the following table: 4 alama
(b(i)) State two food items that can give rise to such a solution. 2 alama
(b(ii)) Name the first site of digestion, the juice involved, and the end product. 3 alama
(c(i)) Mention three roles of the identified food substances. 3 alama
(c(ii)) State one negative health effect of lacking this food substance. 1 alama

Boresha ili kuona majibu ya mfano.

Sehemu C

3. 10 alamas

Observe specimens C, D and E.

(a(i)) List three differences between specimen C and D based on observable features. 6 alama
(a(ii)) Identify two uses of specimen D in daily life. 2 alama
(b(i)) Observe the lower surface of specimen E and name the structures seen. 1 alama
(b(ii)) State the role of those structures. 1 alama
(c) Draw specimen D and label five parts. 0 alama

Boresha ili kuona majibu ya mfano.

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