Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

State the route of foul air from the lungs to outside. Also state whether TV increases or decreases during excitement and activity.

Transfer of Taenia to secondary host occurs as:

1. Oncosphere.
2. Cysticercus.
3. Morula.
4. Egg.

During the group study at Vishalthi's home, Anil got a severe pain in his stomach. Vishakha called her mother immediately as she (mother) was a doctor.
After diagnosis, stone is found in her kidney. She gave him some medicines and also suggested to drink a lot of water, so that the stone related problem does not arise again.

1. What is the medical term used for the stone in kidney?
2. Way should we drink a lot of water on the regular basis?
3. Name the ions which are involved in the formation of renal stones?
4. What values did vishakha’s mother possess?

By looking at a plant externally, can you tell whether it is C₃ or C₄? Why and how?

The nucleus is an essential part of the cell. Explain.###Explain the importance of nucleus.

Can you attempt building models of biomolecules using commercially available atomic models (Ball and Stick models).

List out the significance of secondary growth.

Draw a labelled diagram of a cross-section of an alveoli of a pulmonary vessel.

Give significance of glycocalyx.

How is phellem different from phelloderm?