eQuizShow

Nutrition 2

Photosynthesis

Question: Name the reactants in the process of photosynthesis.
Answer: carbon dioxide and water

Question: What energy drives the process of photosynthesis?
Answer: light

Question: Name the products of photosynthesis.
Answer: Glucose and oxygen

Question: Name the two stages of photosynthesis and state in which one oxygen is produced.
Answer: Light and dark stages; light stage

Question: In which layer of cells in the leaf does photosynthesis occur most?
Answer: Palisade mesophyll
or
mesophyll


Photosynthesis 2

Question: Photosynthesis occurs in the _______ of plant cells which contain the green pigment ________.
Answer: Chloroplast

chlorophyll


Question: In a green and white variegated leaf, state the colour change expectd if testing for starch.
Answer: Green region turn blue-black
White regions turn colour of iodine


Question: Which 2 colours of  light is best for photosynthesis?
Answer: Red and blue

Question: Name two factors that affect the rate of photosynthesis.
Answer: Light
Temperature
Carbon dioxide
Water
Enzymes


Question: What type of nutrition does photosynthesis fall under?
Answer: Autotrophic

Enzymes 2

Question: Name the enzyme that acts on starch in the mouth.
Answer: Amylase

Question: If the temperature is too low enzymes will not work as fast.  This is the ________ point.
Answer: Deactivation

Inactivation


Question: The small region on an enzyme into which the substrate fits is called the ______ site.
Answer: Active

Question: Enzymes often change shape during a chemical reaction. T/F
Answer: False

Question: When an enzyme gets too hot it stops working completely. This is the _______ point.
Answer: Denaturation

Teeth

Question: The teeth used for nibbling and biting at the front of the mouth are called_____.
Answer: Incisors

Question: The _____ and ______ are used for the main grinding and chewing of our food.
Answer: Pre molars and molars

Question: These teeth are sharpest in carnivores.
Answer: Canines

Question: This is the empty space found in the mouth of herbivores for them to roll their cud.
Answer: Diastema

Question: Name the four layers of a tooth from the outer to inner layer.
Answer: Enamel
Dentine
Pulp
Cement/fibres


Digestive System

Question: Where does the alimentary canal begin and end?
Answer: Mouth

Anus


Question: This organ makes bile.
Answer: Liver

Question: This organ make digestive juice that contains enzymes that break down disaccharides, lipids and dipeptides.
Answer: Pancreas

Question: These glands produce amylase that breaks down starch to maltose.
Answer: Salivary glands

Question: This organ is where most nutrient absorption occurs.
Answer: Small intestines