Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

Six turns of Calvin cycle are required to generate one mole of glucose. Explain.

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?

The long bones are hollow and connected by air passage. They are the characteristics of:

1. Aves.
2. Mammals.
3. Reptilia.
4. Land vertebrates.

Name the hormone and its source which produces changes in the secondary sex organs in human females, to prepare for the anticipated pregnancy.

What is a mesosome in a prokaryotic cell? Mention the functions that it performs.

How is the nucleic acid fraction of our food digested?

Explain briefly the following terms with suitable examples:- protonema

Distinguish between: Dense regular and dense irregular connective tissues.

Describe the endocrine functions of thymus. (Any four)