Home / MCQ Bank / Biology
Biology Biology Difficulty: Medium

“lub” sound is produced after _________ ?

Select the correct option to test your answer:

More Biology Questions

Consider the following statements regarding endoplasmic reticulum and choose the correct answer: 1. The endoplasmic reticulum appears to have a combination of triple-layered and micellar structures 2. Geometric symmetry is lacking in ER membranes, which are asymmetrical 3. The rough endoplasmic reticulum (RER) is the site of secretion of secretory proteins 4. The smooth endoplasmic reticulum (SER) membranes appear to be involved in the formation of lipoprotein complexes Oxidation of succinic acid to fumaric acid, during Krebs cycle yields According to two kingdom classification fungi were placed in kingdom___________? The direct or immediate effect of pollen on the character of the seed or fruit is called Which one of the following gases is essential for photosynthesis process?