Transport in Plants — BIOLOGY STD 11 Science — Question

Explain whether the growth in plants is definite or indefinite.OR
State what do we call a form of growth in which newly producing cells are always being added to the body of the plant.

Fluke infections are diseases of the _______ in humans.

1. Blood.
2. Bile.
3. Digestive tract.
4. Lungs.

Name the following:

1. The green algae which is used as protein-rich food by space travellers.
2. The gelatinous substance that covers the cell wall of phaeophyceae.
3. The leaf-like photosynthetic organ of phaeophyceae.
4. The structure that fixes the brown algae to the substratum.

Trachea of cockroach and mammal are similar in having:

1. Paired nature.
2. Non-collapsible walls.
3. Ciliated inner lining.
4. Origin from head.

Coelom is a cavity between the body wall and alimentary canal and is lined by:

1. Ectoderm and endoderm.
2. Ectoderm and mesoderm.
3. Endoderm on both sides.
4. Mesoderm on both sides.

What is a bacteriophage? How does it start acting like a living being?

Where do ultrafiltration, reabsorption and secretion occur in a nephron?

What are inclusion bodies? Name the four types of them.

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

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