Biology
The heart sound 'Dup' is produced when:
- Semilunar valves open
- Atrio ventricular valves close
- Semilunar valves close
- Atrio ventricular valves open
Related Questions
The sex chromosome in a human ovum is:
- X chromosome
- Y chromosome
- Both X and Y chromosomes
- Either X or Y chromosome
Which one of the following is a biodegradable waste?
- Metal cans
- E-waste
- Plastic
- Flowers
Deplasmolysis occurs when a plasmolysed cell is placed in:
- Concentrated salt solution
- Tap water
- Concentrated sugar solution
- Hypertonic salt solution
Alpha cells of Pancreas secrete:
- Glycogen
- Glucose
- Glucagon
- Insulin