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Biology · Karatasi 2C · 2022

2 maswali

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Maswali (2)

Sehemu A

1. 25 alamas

You are provided with specimen C , D and E. Observe the displayed reproduction system in the dissected specimen C and then answer the following questions; Carefully use the hand lens to observe the structures used for reproduction in specimen D and then draw a diagram of a frond with its reproductive structures. What are types of reproduction exhibited by specimen D and E? Give a reason on each to support your answer. Briefly explain how the type of reproduction in specimens D and E occurs. In what ways are specimens D and E useful to human being. Give two points for each.

(a(i)) What is a sex of the specimen C ? Give a reason to support your answer. 1 alama
(a(ii)) Draw a well labelled diagram of the reproductive system observed in dissected specimen C . 1 alama
((a)(i) Draw a well labelled diagram of the reproductive system observed in dissected specimen C . 5 alama
(b) Carefully use the hand lens to observe the structures used for reproduction in specimen D and then draw a diagram of a frond with its reproductive structures. 1 alama
(b) Carefully use the hand lens to observe the structures used for reproduction in specimen D and then draw a diagram of a frond with its reproductive structures. 5 alama
(c) What are types of reproduction exhibited by specimen D and E? Give a reason on each to support your answer. 1 alama
(c) What are types of reproduction exhibited by specimen D and E? Give a reason on each to support your answer. 4 alama
(d) Briefly explain how the type of reproduction in specimens D and E occurs. 1 alama
(d) Briefly explain how the type of reproduction in specimens D and E occurs. 4 alama
(e) In what ways are specimens D and E useful to human being. Give two points for each. 6 alama
(e) In what ways are specimens D and E useful to human being. Give two points for each. 1 alama

Boresha ili kuona majibu ya mfano.

2. 25 alamas

You are provided with specimens D, F, and G. Why specimen D and F were placed in the same Kingdom but different Division? Why is it important for scientist to use natural classification system to classify the specimen D and F? What would be the disadvantages for scientist to use artificial classification system to classify specimen D and F. In what way are the products from specimen G useful for industrial development? Give two points.

(a) Classify each of the specimens D, F and G to Class level. 1 alama
(a) Classify each of the specimens D, F and G to Class level. 3 alama
(b) Why specimen D and F were placed in the same Kingdom but different Division? 1 alama
(b) Why specimen D and F were placed in the same Kingdom but different Division? 4 alama
(c) Why is it important for scientist to use natural classification system to classify the specimen D and F? 1 alama
(c) Why is it important for scientist to use natural classification system to classify the specimen D and F? 4 alama
(d) What would be the disadvantages for scientist to use artificial classification system to classify specimen D and F. 4 alama
(d) What would be the disadvantages for scientist to use artificial classification system to classify specimen D and F. 1 alama
(e) Draw a well labelled diagram of specimen F. 1 alama
(e) Draw a well labelled diagram of specimen F. 6 alama
(f) In what way are the products from specimen G useful for industrial development? Give two points. 1 alama
(f) In what way are the products from specimen G useful for industrial development? Give two points. 4 alama

Boresha ili kuona majibu ya mfano.

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