Biology · Karatasi 1 · 2022
18 maswali 🇹🇿 NECTA ✓ Majibu rasmi ya NECTABiology · Karatasi 1 · 2022
18 maswali
Mtihani wa saa 3 wa muda · husahihishwa kiotomatiki · huhesabiwa kwenye nafasi
Lipa na anza mtihani →Sehemu A
Which of the following structures are found in both plant and animal cells?
Match the uses of apparatuses in List A with the corresponding apparatuses in List B by writing the letter of the correct response beside the item number in the answer booklet provided. List B
| List A | List B |
|---|---|
| (i) An apparatus used for heating substance in the laboratory. | A Bunsen burner |
| (ii) An apparatus used for storing test tubes so that they do not roll or break. | B Aquarium |
| (iii) An apparatus used for measuring volume of liquids. | C Measuring cylinder |
| (iv) An apparatus used to magnify specimens. | D Hand lens |
| (v) An apparatus used for keeping live aquatic animals in the laboratory. | E Spatula |
| F Test tube rack | |
| G Filter funnel | |
| H Test tube holder |
Boresha ili kuona majibu ya mfano.
In natural selection, which types of characteristics are affected?
Which process allows absorption of water and mineral salts from the soil in plants?
Straightening and bending of the arm involve contraction of the biceps and triceps muscles. Which of the following alternatives describes the state of these muscles when the human arm is bent?
Sehemu B
"Animals cannot survive without moving from one place to another." Justify this statement by giving three points with one example in each.
Boresha ili kuona majibu ya mfano.
Mr. Shamba got a car accident and was badly injured. During the First Aid process Mr. Sai put on gloves, took a cotton wool and gave him painkillers. What was the use of-
Boresha ili kuona majibu ya mfano.
How is the human urinary system adapted to perform its roles effectively? Give four points. (c1) If the heart continues to contract forcefully, which of the following will happen to the arteries? (a) Their walls will stretch (b) Their walls will constrict (c) Their walls will relax (d) Their walls will remain unchanged. Explain your answer. (a) Cells are transmitted from one.
Boresha ili kuona majibu ya mfano.
Sehemu C
Explain four family planning methods and indicate one disadvantage of each.
Boresha ili kuona majibu ya mfano.
Why is it important for plants to carryout photosynthesis? Explain by giving four reasons.
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15. e M ra a d n i . y c a p te e o th p e le m . b e G . l i 1 . e v v 1 . n e g t e h x a a t m in p s l e e c s t , s e x a p re l a , h . in a r f _ m o u fu r l w t a o y s m 1 . 1 a 1 n w h hi e . c ri h c e . m t s h e e c y ts f , a i i n ·e d u p se o t i · ' u s o 1 n t o o u m s a n c . h em . t eals to
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