Excretion and Osmoregulation — Biology STD 11 Science — Question

How will you identify a thoracic vertebra?

Name the following : The protists which behave as heterotroph in absence of light but performs photosynthesis in presence of light

Name the type of muscles which bring about running and speaking.

All locomotions are movements but all movements are not locomotion. Justify

What is domain? Name the three domains of life.

A fresh section was taken by a student but he was very disappointed because there were only few green and most colourless cells. Teacher provided a pink colour solution. The section was immersed in this solution and when observed it was much clearer. What is the magic?

Explain in detail the hindgut of cockroach.

Give the economic importance of Cycas and Pinus.

Name the worm which causes filariasis.

Raju intends to train biceps; while exercising using dumbbells, which joints should remain stationary and which should move?