Nutrition , Respiration

Which of these juices is secreted by pancreas?

• Trypsin

• Pepsin

• Bile juice

• Both I and II

Lipase acts on

• Amino acids

• Fats

• Carbohydrates

• All of these

Which element is used in the synthesis of proteins?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon dioxide

Opening and closing of pores is a function performed by

• Stomata

• Chlorophyll

• Chloroplast

• Guard cells

Energy rich compound generated during photosynthesis is _______________

Diffusion is insufficient to meet __________ requirement of multicellular organisms like human.

Write the correct sequence of air passage involved in inhalation?

• larynx→ Nostrils → Pharynx → lungs

• nostrils→ Pharynx→ larynx→ Trachea → alveoli

• nasal passage → larynx → Trachea → Pharynx→ Alveoli

• None

Choose the event that does not occur in photosynthesis?

• Absorption of light energy by chlorophyll

• Reduction of carbon dioxide to carbohydrates

• Oxidation of carbon to carbon dioxide

• Conversion of light energy to chemical energy