Danho
ZIMSEC O Level · 5008/1 · J2017

Biology Paper 1 June 2017

Questions
39 of 40
Time allowed
60 min
Syllabus code
5008/1

We hold fewer questions than the paper printed. The rest are not in the bank yet.

Sit this paper online

Questions
39
Pass mark
24
Sit this paper

Answer every question in the printed order, get marked at the end, then see the answers.

The questions

Question 1

Cells and tissues
Which structure, in a plant cell is selectively permeable?
  1. Acell membrane
  2. Bcell wall
  3. Csap vacuole
  4. Dcytoplasm

Question 2

Cells and tissues

The diagram shows a specialised animal cell.

The cell is adapted for

  1. Atransport
  2. Bphotosynthesis
  3. Ccontraction
  4. Dabsorption

Question 3

Cells and tissues

The diagram shows a plant cell, a few minutes after being placed in a concentrated salt solution.

Which substance will be found in the space marked E?

  1. Asalt solution
  2. Bcytoplasm
  3. Cwater
  4. Dcell sap

Question 4

Plant nutrition
Phosphorus is needed by plants for the
  1. Adevelopment of roots.
  2. Bformation of flowers.
  3. Cgrowth of leaves.
  4. Dproduction of chlorophyll.

Question 5

Photosynthesis
Which energy change is correct for green plants?
  1. Achemical energy to light energy
  2. Blight energy to heat energy
  3. Clight energy to chemical energy
  4. Dheat energy to chemical energy

Question 6

Photosynthesis

The diagram shows a cross section of a leaf.

In which parts does photosynthesis take place?

  1. A1, 2 and 3
  2. B1, 2 and 4
  3. C1, 3 and 4
  4. D2, 3 and 4

Question 7

Nutrition

The diagram shows part of the human alimentary canal.

Which structure produces digestive juice at the lowest pH?

  1. AA
  2. BB
  3. CC
  4. DD

Question 8

Nutrition
Why is iron needed in the human diet?
  1. AIt builds and hardens bones.
  2. BIt prevents blood from clotting.
  3. CIt is used to make haemoglobin.
  4. DIt helps to prevent tooth decay.

Question 9

Nutrition
The function of the colon is to
  1. Aremove undigested food material.
  2. Bproduce enzymes.
  3. Cabsorb digested molecules.
  4. Dabsorb water into the blood stream.

Question 10

Nutrition

Four equal masses of different foods were each burnt as shown in the diagram. The temperature of water was measured at the beginning and at the end of each experiment, and the results recorded in a table.

Which food sample could be fat?

  1. Awater temperature at the start 17 °C, at the end 37 °C
  2. Bwater temperature at the start 17 °C, at the end 90 °C
  3. Cwater temperature at the start 18 °C, at the end 87 °C
  4. Dwater temperature at the start 19 °C, at the end 50 °C

Question 11

Respiration
What are the products of aerobic respiration of glucose?
  1. Acarbon dioxide and lactic acid
  2. Blactic acid, energy and carbon dioxide
  3. Cenergy, water and oxygen
  4. Dcarbon dioxide, water and energy

Question 12

Respiration
The function of alveoli in the lungs is to
  1. Aprevent the lungs from collapsing.
  2. Bprovide an adequate supply of mucus.
  3. Cprovide a large surface area.
  4. Dmake the lungs elastic.

Question 13

Respiration
What are the end products of anaerobic respiration in yeast?
  1. Acarbon dioxide and ethanol
  2. Bcarbon dioxide and lactic acid
  3. Ccarbon dioxide and water
  4. Dethanol and lactic acid

Question 14

Transport in plants

Two leaves were taken from the same plant. One had vaseline smeared on the upper surface while the other had no vaseline. Both were hung in open air for five hours.

If the decrease in mass was the same in both leaves, it can be concluded that the leaves had

  1. Amore stomata on the upper surface.
  2. Bno stomata on the upper surface.
  3. Cno stomata on the lower surface.
  4. Dequal numbers of stomata on both sides.

Question 15

Transport in plants

The diagram shows part of the trunk of a tree with a ring of bark removed.

Which row correctly describes the effect of removing the bark on the growth rate of the two branches?

  1. Alower branch reduced, upper branch normal
  2. Blower branch normal, upper branch reduced
  3. Clower branch normal, upper branch normal
  4. Dlower branch reduced, upper branch reduced

Question 16

Transport in plants
Under which set of conditions would the rate of transpiration in a plant be fastest?
  1. Aa cool, dry and calm day.
  2. Ba cool, rainy and windy day.
  3. Ca hot, dry and calm day.
  4. Da hot, rainy and windy day.

Question 17

Transport in animals
When the left ventricle contracts,
  1. Athe bicuspid valve closes.
  2. Bthe tricuspid valve closes.
  3. Cblood flows into the pulmonary artery.
  4. Dblood flows into the pulmonary vein.

Question 18

Transport in animals

The diagram shows the heart of a mammal.

Which blood vessels carry oxygenated blood?

  1. A1 and 2
  2. B2 and 4
  3. C1 and 3
  4. D3 and 4

Question 19

Health and disease
Which process provides a child with active immunity?
  1. Areceiving a BCG vaccine
  2. Breceiving antibodies from mother's milk
  3. Creceiving anti-venom serum
  4. Dreceiving antibodies from mother's blood

Question 20

Transport in animals
A red blood cell passes through the heart from the renal artery to the aorta
  1. Aonce.
  2. Btwice.
  3. Cthree times.
  4. Dfour times.

Question 21

Coordination

The diagram shows the bones and muscles of the arm.

Which row correctly describes the action of muscles M and N to cause movement of the arm in the direction indicated by the arrow?

  1. AM contracts, N relaxes
  2. BM relaxes, N relaxes
  3. CM contracts, N contracts
  4. DM relaxes, N contracts

Question 22

Excretion

The diagram shows the human urinary system.

Which part, A, B, C or D, has the lowest concentration of urea?

  1. AA
  2. BB
  3. CC
  4. DD

Question 23

Coordination

The diagram shows a section through a human eye.

Which part, A, B, C or D is the blind spot?

  1. AA
  2. BB
  3. CC
  4. DD

Question 24

Coordination

The diagram shows a section through the human brain.

Which part, A, B, C or D, secretes hormones?

  1. AA
  2. BB
  3. CC
  4. DD

Question 25

Coordination

A traveller is looking at a bus coming towards him.

Which row correctly describes the changes occurring to the ciliary muscle and suspensory ligaments of his eyes as the bus gets closer?

  1. Aciliary muscle relaxes, suspensory ligaments become taut
  2. Bciliary muscle contracts, suspensory ligaments slacken
  3. Cciliary muscle relaxes, suspensory ligaments slacken
  4. Dciliary muscle contracts, suspensory ligaments become taut

Question 26

Excretion
Which row correctly describes excretion of urea?
  1. Aremoval of toxic products: yes; removal of metabolic waste: no
  2. Bremoval of toxic products: no; removal of metabolic waste: no
  3. Cremoval of toxic products: no; removal of metabolic waste: yes
  4. Dremoval of toxic products: yes; removal of metabolic waste: yes

Question 27

Coordination
Which row correctly describes the effect of drinking alcohol on reaction time and co-ordination?
  1. Areaction time increased, co-ordination increased
  2. Breaction time reduced, co-ordination increased
  3. Creaction time increased, co-ordination reduced
  4. Dreaction time reduced, co-ordination reduced

Question 28

Reproduction in plants
Which plant has its stem as a modified food storage organ?
  1. Acassava
  2. Bbanana
  3. Csweet potato
  4. DIrish potato

Question 29

Reproduction in plants
Which statement about flowering plants is correct?
  1. AThe stamen is the female part of the flower and is made up of the filament and anther.
  2. BThe stamen is the male part of the flower and is made up of the filament and anther.
  3. CThe carpel is the female part of flower and is made up of the ovary and the filament.
  4. DThe carpel is the male part of the flower and is made up of the ovary and the anther.

Question 31

Reproduction in animals

The diagram shows a section of the male reproductive system.

What is the function of the part numbered 1?

  1. Aproduces testosterone
  2. Bproduces sperms
  3. Csecretes seminal fluid
  4. Dstores sperms

Question 32

Health and disease
Why is penicillin important in medicine?
  1. AIt is an antibiotic used against viruses.
  2. BIt is an antibiotic used against bacteria.
  3. CIt is an antibody used against bacteria.
  4. DIt is an antibody used in vaccination.

Question 33

Health and disease
Which type of organism transmits the malarial parasite from one person to another?
  1. Abacterium
  2. Bfungus
  3. Cinsect
  4. Dprotozoan

Question 34

Ecology

The diagram shows a food web.

Which organism in the food web is a primary consumer?

  1. Arabbit
  2. Brabbit flea
  3. Cfox
  4. Dgrass

Question 35

Health and disease
The malaria parasite, Plasmodium, causes anaemia by
  1. Areleasing toxins into the blood.
  2. Bbursting red blood cells.
  3. Cdamaging liver cells.
  4. Dbursting white blood cells.

Question 36

Classification
Which row correctly identifies a virus?
  1. Asaprophytic: untrue; pathogenic: untrue
  2. Bsaprophytic: untrue; pathogenic: true
  3. Csaprophytic: true; pathogenic: untrue
  4. Dsaprophytic: true; pathogenic: true

Question 37

Genetics
Which variation is controlled by genes and the environment?
  1. Atongue rolling
  2. Bear lobe
  3. Cblood group
  4. Dskin colour

Question 38

Genetics
What causes albinism?
  1. Amutation of a chromosome
  2. Bdietary deficiency
  3. Chormone deficiency
  4. Dmutation of a gene

Question 39

Ecology
Which statement is true about the population of a developing country?
  1. AIt has a short doubling time.
  2. BIt has a low dependency ratio.
  3. CIt has a low growth rate.
  4. DIt has a low infant mortality rate.

Question 40

Ecology

The diagram shows some stages of the nitrogen cycle.

Which process A, B, C or D is carried out by bacteria found in root nodules of leguminous plants?

  1. AA
  2. BB
  3. CC
  4. DD

More sittings of this paper

The answers, and why they are the answers

Sit the paper here to see which ones you got right. Danho explains every question, keeps your score, and works without a connection.

Get it on Google PlayDownload on the App Store