In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?

Related Mcqs:

Organelles are_______________?

A. Unicellular structures B. Multi-cellular structures C. Sub-cellular structures D. Non-cellular structures...

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

A. Biome B. Phyletic lineage C. Community D. Population...

Which of the following represents osmoregulatory steps taken by hydrophytes?

A. Increases transpiration by increasing the surface area of the leave. B. Small and thick leaves to decrease the surface area proportional to the volume of the leave. C. Stomata closing in sufficient supply, and opening in restricted supply of water. D. None of these...

A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

A. Kidney surgery B. Burring a hole and removing the stone manually (nephrolithotomy) C. Extracorporeal Shock wave lithotripsy D. None of these...

Diatoms stay afloat due to___________?

A. Flagella B. Stored lpids C. Pseudopodia D. All of these...