PART - 2 - Unit V : CH - 15 Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

In _________ the stamens in a flower are united in two bundles.

The pharynx is a ________ passage for both food and air.

In Pteridophyte the gametophyte is called ______________ .

The thoracic cavity chamber is formed by the vertebral column in the dorsal part, the sternum in the ventral part, the ribs in the lateral part and the domed ________ below.

The highest number of leukocytes is found in ________.

Cortisol stimulates the production of ____________.

The sheathed nerve fibres are covered with ____________ .

The primary roots and its branches constitute the _________ .

The participation of a particular gas in the pressure in a mixture of gases is called ________.

Chemical compounds whose molecular weight is less than one thousand Dalton are called __________ or __________.