DAY-3 CLASS-7 SCIENCE L-2 QUIZZ

What is the main topic introduced in the learning material?

• Human Digestive System

• Plant Nutrition

• Animal Reproduction

• Human Circulatory System

Which of the following is a key goal for learning about the digestive system?

• Understanding the circulatory system

• Identifying the first three major digestive organs

• Learning about plant photosynthesis

• Studying the respiratory system

A student is asked to trace the journey of food from the mouth to the stomach. Which learning goal does this task best align with?

• Recognize mechanical digestion

• Understand initial stages of digestion

• Identify key digestive organs

• Learn about nutrient absorption

If the epiglottis did not function properly, what could be a possible consequence when eating?

• Food could enter the windpipe, causing choking or coughing

• The stomach would not produce enough acid

• Saliva would not be produced

• The stomach lining would be unprotected

What is the main function of canines in the human mouth?

• Grinding tough plant material

• Tearing and ripping tough foods like meat

• Cutting food into small pieces

• Crushing food with flat surfaces

Which teeth are best suited for crushing and grinding food with their flat surfaces?

• Incisors

• Canines

• Premolars

• Molars

If a person is missing their premolars, what difficulty might they experience while eating?

• Trouble biting and cutting food

• Trouble tearing tough foods

• Trouble crushing and grinding food

• Trouble grinding tough plant material

Which digestive organ contains hydrochloric acid?

• Stomach

• Mouth

• Esophagus

• Small intestine

What type of teeth are used for tearing food?

• Canines

• Incisors

• Molars

• Premolars

The wave-like muscle movements that push food down the esophagus are called:

• Peristalsis

• Digestion

• Absorption

• Respiration