Answer all questions from section A and B and only ONE from section C.
All writings must be in blue or black pen
All drawings must be in pencil.
SECTION A: 20 Marks Multiple choice
[*]If you buy some onion`s from the market, most of what you buy is
A. Swollen leaves C. Swollen roots
B. Swollen stems D. Swollen endosperms
[*]An epidermal cell from a leaf was put in hypertonic solution. After sometime the cell became?
A. Crenated C. Flaccid
B. Turgid D. Deplasmolyzed
[*]The enzyme pepsin is produced by certain cells in the
A. Stomach C. Duodenum
B. Pancreas D. Pituitary
[*]A secretion containing enzymes, which digest proteins and carbonydrates is
A. Bile C. Gastric juice
B. Pancreatic juice D. Saliva
[*]Which of the following is mutualistc relationship?
A caterpillar eating tomato plant
A flowering plant and its pollinator
A plasmodium inside the human body
A tick and a cow
[*]A patient having blood group B can receive blood from a donour who belongs to
A. Group B only C. Group B or group O
B. Group O only D. Group AB only
[*]Which of the following blood vessel contains blood full of oxygen at low pressure?
A. Pulmonary artery C. Aorta
B. Pulmonary vein D. Venacava
(viii) Which of the following blood vessel contains blood rich in dissolved
A. Hepatic portal vein C. Renal vein
B. Aorta D. Venacava
(ix) One of the following is not a respiratory surface
A. Gills C. Skin
B. Mouth cavity D. Nostrils
(x) During a physical exercise, the flow of blood to the
A. Intestine increases C. Skin decreases
B. Muscles increases D. Kidneys increases
2. Match items
Match the items of lost A with that of list B and use the below table to match the correct answer.
[*]The tip of the plumule
[*]Asexul reproduction where an
Organism divide into two parts
[*]Reproduction where by sex cells are not involved.
[*]Spending hot periods in dormant state
[*]Can not regulate body temperature
[*]Female reproductive organ.
[*]Transfer of pollen grains
[*]Liberation of an ovum from ovary
[*]Avoids doubling – up of chromosome