General Science Class 7

What are the charges of Proton, Electron, and Neutron respectively?

1. Negative, Positive, Neutral
2. Neutral, Negative, Positive
3. Positive, Negative, Neutral
4. Neutral, Positive, Negative

Which of the following is NOT a digestive function?

1. Filtration
2. Absorption
3. Mechanical processing
4. Ingestion

“Digestion”, alone, refers to the (very specific answer)?

1. Absorption of nutrients
2. Transport of nutrients
3. Chemical/mechanical breakdown of food
4. Elimination of waste

Which is not a tissue layer of the alimentary canal?

1. Mucosa
2. Secretin
3. Muscular
4. Serosa

The breakdown of large food particles into small particles is called?

1. Egestion
2. Absorption
3. Utilization
4. Digestion

A continuous tube, extending from the mouth to the anus is called?

1. Respiratory Tract
2. Alimentary Canal
3. Nervous System
4. Circulatory System

Each of the following organs is a component of the digestive tract except one. Identity the exception:

1. Spleen
2. Oesophagus
3. Stomach
4. Colon

In mouth saliva starts the chemical digestion of:

1. Proteins
2. Fats
3. Carbohydrates
4. Fibers

Food is reduced to a soft and flexible semi-solid food called?

1. Chyme
2. Morsel
3. Gastrografin
4. Bolus

Which of the following acts as a pathway and transports the food from pharynx to stomach?

1. Small intestine
2. Oesophagus
3. Trachea
4. Mouth