Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Fill in the gaps:
A healthy adult human excretes (on an average) _______ gm of urea/ day.

Write the names of any two diseases caused by bacteria.

Name the groups of growth regulating plant hormones, which stimulate the following.

1. Cell division even in non-meristematic tissues.
2. Elongation of stem and expansion of leaves.

Write the names of two genera of fungi belonging to Basidiomycetes that are parasitic on plants and name the disease each of them uses in the plants.

Name a gymnosperm whose endosperm is edible after roasting.

By which part are the leaves attached to the stem?

Name the proteins of the thin filaments of a sarcomere.

What are Nissl's granules?

Describe the nature of the stem of Pistia.

Indicate whether the following statements are true or false:
Protein-free fluid is filtered from blood plasma into the Bowman’s capsule.