-
- Tonoplast
- Symplast
- Vacuolar
- Apoplast
Sciences MCQs
The term ‘gene’ was first used by _____.
-
- Johannsen
- Mendel
- Lemark
- Cuvier
Parabronchi are open at_____end/s?
-
- Single
- Both
- Do not have opening
- All of these
The vascular plants are termed as_____.
-
- Bryophytes
- Tracheophytes
- Pteridophytes
- None of these
“lub” sound is produced after _____.
-
- The bicuspid and tricuspid valves suddenly close
- The ventricles are fully contracted
- The ventricles start to relax
- The semilunar valves are closed
Which of the following has no central nervous system?
-
- Hydra
- Man
- Planaria
- Cockroach
Which of the following tracheophytes are also called arthrophytes_____.
-
- Psilopsids
- Lycopsids
- Prteropsids
- Sphenopsids
Membranes of the grane are sites where?
-
- Sunlight is trapped
- Oxygen is stored
- Food is stored
- CO2 is store
Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
-
- Hagfish
- Bony fishes
- Fresh water fishes
- All of these
In most birds air sacs are_____in number?
-
- 9
- 10
- 12
- 13