Assignment on Evolution

Question (Use the comment box to answer for evaluation and discussion)s

1A honey bee worker communicate with other on locating a source of food by (A) Dancing (b)  stinging  (c)  instinct  (d)  flares.

2Which of the following insect or  a social insect  (a)   Grasshopper  (b)  Honey  bee (c)   Butterfly    (D) Housefly

Which disease is sex hinted and mainly affect the male offspring? (a) sickle cell anemia  (b) Haemophilia  (c) Diabetes (d) Malaria.

4A sudden change in the structure of genes resulting to an abnormality in individual is called (a) polyplody (b) Diploidy (c) Mutation (d) Monoploidy.

5.Which of these is not likely to be found in the nucleotides of the Helical structure of DNA (a) Guanine (b) Cytocine (c) Thymine (d) Uracil.

6.Which of the following is not an example of behavioural adaptation for protection (a) mimicry (b) feigning death (c) croaking (d) offensive smell (e) Camouflage.

7.The caste of termite that is blind, wingless and sterile is the (a) queen (b) king (c) workers (d) soldiers.

8.The theory that uses survival of the fittest and natural selection principles to explain evolution was propounded by    (a)  Charles Darwin  (b)  Isaac Morgan

(c ) Yean Lamarck  (d)  Ugo de varies

9          Any change in an organ or characteristics an  of an survive in a particular environment is (a)  competition  (b)   evolution  (c)  succession  (d)  adaptation

10     A survey to determine blood groups was carried out on 250 people living  in a community . The results are prepare represented in the table below.

Blood group                                                 percentage

A                                                                 8.0

B                                                                 14.0

AB                                                              32.8

0                                                                  45.2

(a)           Explain the term co –dominance

(b)         Calculate the number of individual with  co-dominant blood group.

(c)         What is the total  number of individuals in the table that are able to  donate blood to an accident victim with blood group B?

(d)         A whose blood is heterozygous A is married to a woman whose blood group is AB. With the aid of a genetic diagram, suggest the possible blood group of their children.