Be sure to provide correct answers1. What is biology? (1 mark)

Question

Be sure to provide correct answers1. What is biology? (1 mark)

2. Give two skills gained by a student learning Biology. (2 marks)

3a)Name the unit of classification that has the least organisms. (1 mark)

b)State the application of Binomial nomenclature in naming organisms. (1 mark)

4.What is the importance of using a hand lens in classification of organisms (1 mark)

5.State two main branches of biology. (2 marks)

6.Define each of the following terminologies as used in biology : (2 marks)

a). Ecology

b). Anatomy

7.What characteristics of living organisms is represented by the following characteristics:

a)A cat producing kittens. (1mk)

b)A girl dropping a hot pan. (1mk)

c)The exhalation of carbon (IV) oxide. (1mk)

9 a) An electron microscope has a much greater resolving power than a light microscope. Explain the meaning of the term resolving power. (1 mark)

b) Give a reason why an electron microscope cannot be used to study life specimen. (1 mark)

10. What is taxonomy? (1mark)

11. Give two reasons why classsification is important in biology. (2marks)

12. (a) Distinguish between growth and development. (2marks)

(b) State the importance of growth in living organisms. (1mark)

13.During a practical lesson to estimate the size of a cell, using the sketch below which some students observed, calculate the length of one cell in micrometers given that the field of view was 8mm wide. (3 marks)

15. Black jack (Bidens pilosa) belongs to the family Compositae.

What is it's:

Genus. (1 mk)

Species. (1 mk)

16. a) Differentiate between prokaryotic and eukaryotic cells. (1 mk)

Answer 1

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