Life Process

Which of the following is the first site for the exchange of inhaled air?

• Blood capillaries of lungs

• Alveoli of lungs

• Left auricle of the heart

• Blood capillaries adjacent to body cells

Which among of the following substances are reabsorbed in the nephron?

• Urea, Uric acid, Amino acid

• Glucose, Amino acids, Salts

• Glucose, Urea, Creatinine

• KCl, Urea, Glucose

The process of obtaining food to meet the energy demands of the body is known as _____.

• Excretion

• Respiration

• Nutrition

• Circulation

Tags

NGSS.MS-LS1-7

The process that involves oxidation of food to release energy is known as _____

• Breathing

• Excretion

• Circulation

• respiration

Tags

NGSS.MS-LS1-7

What happens to the unused carbohydrates produced in the plant body?

• Gets broken down and dissipated as heat.

• Transported to stem in the form of glycogen.

• Expelled from plant body through excretion.

• Stored in the form of starch for future use.

Tags

NGSS.MS-LS1-7

Saliva in the mouth converts _______ into _______________.

• Proteins, amino acids

• glycogen, glucose

• starch, maltose

• fats, vitamins

Tags

NGSS.MS-LS1-7

Choose the correct function of the given structure.

• Gaseous exchange

• Absorbs salt and water.

• Reabsorption of urea and uric acid

• none of these

An enzyme 'X' that converts starch to simple sugars is also the first enzyme to mix with food in the digestive tract. Identify 'X'

• Pepsin

• Amylase

• Lipase

• None of these

Identify the structure.

• Nephron

• Alveolar sac

• Alimentary canal

• None of these

In the process of respiration __________________________

• ADP is converted into ATP

• Glucose is converted into carbondioxide

• glucose is converted into carbondioxide and water which releases energy

• pyruvic acid is converted into ATP

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3