Natural Resources — Science STD 9 — Question

Of the following components of phloem is non-living:

__________ is the practice of growing a series of different types of crops in the same area in subsequent seasons:

Which of the following in natural insecticides?

Chlorophyll containing, autotrophic thallophytes are called:

1. Algae.
2. Lichens.
3. Fungi.
4. Bryophytes.

Active divisions take place in the cells of:

1. Xylem.
2. Phloem.
3. Sclerenchyma.
4. Cambium.

The term ‘cell’ was given by:

Ligament connects a bone with:

Epiblema bears:

A branch of biology which deals with the identification, nomenclature and classification of organisms is called:

1. Morphology.
2. Ecology.
3. Taxonomy.
4. Phytogeography.

Which out of the following is not a function of vacuole?