Life processes

Which one of the following is NOT a stage of photosynthesis?

• Absorption of sunlight

• Conversion of light energy to chemical energy

• Photolysis of water

• Conversion of mechanical energy to chemical energy

In which of the experiments below shows the importance of CO2?

• Variegated leaf experiments

• Bell jar experiment

• Lime water experiment

• Money plant experiment

Which of the following is the CORRECT function of salivary amylase

• Helps in complete digestion of carbohydrates

• Helps in partial digestion of proteins

• Helps in partial digestion of carbohydrates

• Helps in complete digestion of proteins

Which of the following is NOT the part of alimentary canal?

• Tongue

• Kidney

• Liver

• Gall bladder

_____ is the energy currency of the cell

Which of the following is the products of anaerobic respiration in humen cell?

• Ethanol and energy

• Carbon dioxide, water and energy

• Lactic acid and energy

• Lactic acid, carbon dioxide and energy

What are the two adaptations of alimentary canal

• Micro villi and extensive coiling of small intestine

• Micro vill and alveoli

• Alveoli and extensive coiling of small intestine

• Micro villi and muscular wall of stomach

From heart oxygenated blood is carried by

• Vena cava

• Right ventricle

• Right atrium

• Aorta