Q1 · hard · AI-verified
During the light-dependent reactions of photosynthesis, water molecules are split to release oxygen. This process is known as:
- Photolysis
- Chemosynthesis
- Photophosphorylation
- Photorespiration
Q2 · medium · AI-verified
What are the tiny pores on the surface of a leaf through which gaseous exchange takes place called?
- Villi
- Stomata
- Nephrons
- Lenticels
Q3 · easy · AI-verified
Which enzyme is present in saliva that begins the digestion of starch?
- Trypsin
- Salivary amylase
- Pepsin
- Lipase
Q4 · medium · AI-verified
In which part of the human body does the absorption of digested food mainly take place?
- Oesophagus
- Large intestine
- Small intestine
- Stomach
Q5 · medium · AI-verified
Which type of blood vessel carries oxygenated blood from the heart to all body parts?
- Veins
- Capillaries
- Lymph vessels
- Arteries