General Biology
Questions covering basic biology concepts including cellular processes, photosynthesis, digestion, enzymes, and unicellular organisms
Questions
When there is lack of oxygen in human muscle cells, the pyruvate is converted into a 3 carbon molecule, which causes cramps during sudden activity of muscle. The molecule is _________.
- glucose
- creatinine
- acetic acid
- lactic acid
- aceto acetic acid
Photosynthesis in plants has light dependent-light reactions, and light independent-dark reactions. Dark reaction occurs in __________.
- grana lamellae
- stroma
- thylakoids
- matrix
- lamellae
Which of the following is the digestive juice that lacks enzyme but helps in digestion?
- Gastric juice
- Pancreatic juice
- Bile
- Intestinal juice
- Saliva
Which of the following is the name and function of the enzyme secreted by human salivary gland?
- Pepsin that converts protein to peptones.
- Trypsin that digests protein to amino acid.
- Amylase that convert lipids to fatty acid and glycerol.
- Amylase that converts starch to sugars.
- Amylase that converts protein to amino acid.
Amoeba takes in food by using temporary finger-like extensions of the cell surface, which fuse over the food particle forming a food vacuole. Which of the following is the cell surface extension found in amoeba?
- Cilia
- Flagella
- Pseudopodia
- Contractile vacoule
- Endoplasm