Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

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

Name the different types of synovial joints and give an example of each.

Define the following terms:
Placentation.

An insect regarded as greatest mechanical carrier of diseases is:

1. Pediculus.
2. Cimex.
3. Musca.
4. Xenopsylla.

Name the pathological condition when uncontrolled cell division occurs.

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?

List out the significance of secondary growth.

What are the two crucial or key events in aerotic respiration?

List the hormones secreted by the following :
Adrenal