Understanding Fermentation

What is the primary role of bacteria and fungi in the fermentation process?

• To break down complex food molecules

• To add flavor to the food

• To change the color of the food

• To increase the food's shelf life

How do plants bypass the calorie battle according to the video?

• By converting sunlight and carbon dioxide into plant mass

• By absorbing nutrients from the soil

• By consuming other plants

• By storing water in their leaves

What is the main function of lactobacteria in yogurt production?

• To thicken the yogurt

• To digest starches and sugars and produce lactic acid

• To change the color of the yogurt

• To add sweetness to the yogurt

Why is it important to let milk cool before adding bacteria for yogurt making?

• To prevent the milk from curdling

• To ensure the bacteria survive and thrive

• To enhance the flavor of the yogurt

• To make the yogurt thicker

What is the purpose of adding salt in lacto-fermentation?

• To speed up the fermentation process

• To allow lactobacteria to thrive while keeping harmful bacteria out

• To kill all bacteria and fungi

• To enhance the flavor of the food

What is a common ingredient used to start fermentation if yogurt is not available?

• Vinegar

• Chili stalk or ginger peel

• Salt

• Lemon juice

What is the main reason for using urad dal in idli and dosa batter fermentation?

• It contains lactobacteria on its surface

• It makes the batter thicker

• It is cheaper than rice

• It adds flavor to the batter

Why was rice added to the traditional idli recipe?

• To increase the nutritional value

• To enhance the flavor

• To make the idli softer

• To reduce the cost

What is the role of fenugreek in idli and dosa batter fermentation?

• To add flavor

• To speed up the fermentation process

• To provide extra lactobacteria

• To thicken the batter

What is the distinction between tacit knowledge and scientific understanding in fermentation?

• Scientific understanding is based on traditional practices

• Tacit knowledge is practical know-how, while scientific understanding explains why it works

• Both are the same

• Tacit knowledge is based on scientific research