Biology Week 2016 Quiz Ages 13-15

1. What is the scientific study of plants known as?

1. What is the scientific study of plants known as? Answer: Botany Botanists currently study around 400,000 species of plants worldwide and botanical research has wide-reaching implications for food production, forestry, construction and environmental management.

2. Which of the following cannot be seen under a light microscope? Virus Bacterium Cell Question contributed by the Society for Applied Microbiology

2. Which of the following cannot be seen under a light microscope? Virus Bacterium Cell Answer: Virus Light microscopes use visible light and a series of lenses in order to magnify a sample and observe finer detail not detectable to the naked eye. Light microscopes cannot detect viruses as these microscopic organisms are smaller than the wavelength of visible light. Question contributed by the Society for Applied Microbiology

3. Can all bees sting? Question contributed by The University of Gloucestershire.

3. Can all bees sting? Answer : No Male bees do not sting. Moreover only certain bee species are able to sting. There are around 500 species called stingless bees, which certainly can’t sting you. Question contributed by The University of Gloucestershire.

4. Who discovered penicillin and how? Question contributed by the Biochemical Society

4. Who discovered penicillin and how? Answer: Alexander Flemming Flemming accidently discovered penicillin in 1928 when he noticed a mould growing on a agar plate culture that had a bacteria-free circle around it, indicating its inhibitive properties. It was the work of Howard Florey and Ernst Chain who developed mass production of penicillin as a drug. The three shared the 1945 Nobel Prize in ‘Physiology or Medicine’. Question contributed by the Biochemical Society

5. The trachea, lungs and diaphragm are part of which system? Circulatory system Respiratory system Digestive system Question contributed by The Physiological Society

5. The trachea, lungs and diaphragm are part of which system? Circulatory system Respiratory system Digestive system Answer: Respiratory system Question contributed by The Physiological Society

6. How many different species pollinate UK plants? (A) 15 (B) 150 1500 Question contributed by the British Ecological Society

6. How many different species pollinate UK plants? (A) 15 (B) 150 Answer: 1500 Question contributed by the British Ecological Society

7. Bacteria are really ______, they are made of a ______ ______ 7. Bacteria are really ______, they are made of a ______ ______ . You can find bacteria ______. Some bacteria live inside you and don’t harm you. Examples of places they live include your ______ and your ______. Other bacteria are harmful. When they grow in places they shouldn’t, they cause ______. Fill in the gaps using the following words: intestines, cell, nose, small, everywhere, disease, single (One mark for each correctly filled gap) Question contributed by the Microbiology Society

7. Bacteria are really SMALL, they are made of a SINGLE CELL 7. Bacteria are really SMALL, they are made of a SINGLE CELL. You can find bacteria EVERYWHERE. Some bacteria live inside you and don’t harm you. Examples of places they live include your NOSE and your INTESTINES. Other bacteria are harmful. When they grow in places they shouldn’t, they cause DISEASE. Fill in the gaps using the following words: intestines, cell, nose, small, everywhere, disease, single (One mark for each correctly filled gap) Question contributed by the Microbiology Society

8. What percentage of a bacterial cell is water? 70% 95% 50% 35% Question contributed by the Biochemical Society

8. What percentage of a bacterial cell is water? 70% 95% 50% 35% Answer: 70% Question contributed by the Biochemical Society

9. Approximately how much of our DNA is the same as that of a banana? 60% 70% 10% 25% Question contributed by the Biochemical Society

9. Approximately how much of our DNA is the same as that of a banana? 60% 70% 10% 25% Answer: 60% Question contributed by the Biochemical Society

10. What is the normal internal temperature of the human body? (A) 27°C (B) 35°C (C) 37°C

10. What is the normal internal temperature of the human body? (A) 27°C (B) 35°C (C) 37°C Answer: 37 The average internal body temperature of a person varies during the day by about 0.5 °C and can change according to the time of day, activity levels and whether the individual is tired, sick, hungry or cold.

11. How old is the average English (common) oak tree when it produces its first acorns (i.e. reproduces)? (A) 4 years (B) 40 years (C) 400 years Question contributed by the British Ecological Society

11. How old is the average English (common) oak tree when it produces its first acorns (i.e. reproduces)? (A) 4 years (B) 40 years (C) 400 years Answer: 40 years Question contributed by the British Ecological Society

12. The thymus, spleen and lymph nodes are components of the: Digestive system Cardiac system Immune system Reproductive system Question contributed by the British Society for Immunology

12. The thymus, spleen and lymph nodes are components of the: Digestive system Cardiac system Immune system Reproductive system Answer: Immune system Question contributed by the British Society for Immunology

13. What is the lifespan of a starfish? (A) 0-3 years (B) 3-10 years (C) 10-30 years Question contributed by the Marine Biological Association

13. What is the lifespan of a starfish? (A) 0-3 years (B) 3-10 years (C) 10-30 years Answer: 10-30 years Question contributed by the Marine Biological Association

14. Which ventricle of the heart is larger and why?

14. Which ventricle of the heart is larger and why? Answer: left The left ventricle is larger than the right ventricle owing to a thicker muscle wall. The wall is thicker because the left ventricle has to pump blood all the way around the body, but the right ventricle only has to pump it to the lungs.

15. Which organelles in animal cells have DNA? Nucleus and mitochondria Chloroplasts and mitochondria Endoplasmic reticulum and nucleus Endoplasmic reticulum, nucleus and mitochondria Question contributed by the British Society for Immunology

15. Which organelles in animal cells have DNA? Nucleus and mitochondria Chloroplasts and mitochondria Endoplasmic reticulum and nucleus Endoplasmic reticulum, nucleus and mitochondria Answer: Nucleus and mitochondria Question contributed by the British Society for Immunology

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