Characteristics of Life
When you touch something hot, your hand moves away instinctively. What characteristic of living organisms is shown?
Sensitivity
Which organelle is the DNA of a cell held in?
Nucleus
Where does chemical digestion begin?
Mouth
Look at the diagram of the skeletal system (1.3) and identify the bone asked.
Sternum
In which cavity is the heart located?
Thoracic / Chest cavity
What is the chemical reaction for anaerobic respiration in plants?
Glucose --> Energy + Carbon dioxide + Ethanol
What is the function of B lymphocyte?
To produce antibodies
What type of enzyme is responsible for the digestion of carbohydrates?
Carbohydrases
Look at the diagram 1.3 and identify the bone asked
pelvis / pelvic girdle
Which chamber of the mammalian heart first receives deoxygenated blood?
Right atrium
State the 3 characteristics of life shown in the following example.
Students find a small organism in a pond. They catch it and put it away into a large jar of water. They see that the organism swims away from light. It lays some eggs, before the put it back into the pond. Which 3 characteristics of life have been shown?
Movement, Reproduction, Sensitivity (not in order)
Who was the inventor of the simple microscope?
(Bonus point if you can say who first discovered sperm cells)
Antonie van Leeuwenhoek
Choose two of the following options as a description for chyme.
Chyme is (acidic/basic) and (enters/leaves the stomach)
acidic, leaves
Look at diagram 1.3 and identify the bone asked
Patella
Which valve is present between the left atrium and ventricle?
Left atrioventricular / mitral / bicuspid
A diagram is shown. Identify the characteristic of life in place of arrow X. (Show figure 1.1)
Nutrition
Where in a plant cell is starch stored?
Chloroplast
Where does digestion of proteins begin. Look at the diagram of the digestive system shown and answer using a letter.
C (Stomach)
What is the longest and strongest bone in the body?
Femur
Which of the following applies to veins?
(a) Thinner wall , thicker wall , valves , no valves
Shown is a sequence in plants. What characteristics of life are being shown in the diagram? (Show figure 1.2)
Growth and sensitivity
What is the function of the rough endoplasmic reticulum?
Synthesis / modification / folding of proteins
What are the 3 parts of the small intestine?
Duodenum, jejunum, ileum
What is the function of synovial fluid?
To lubricate the joints and prevent wear and tear.
Which blood vessel is the only artery that carries deoxygenated blood?
Pulmonary artery