Tissues — Science STD 9 — Question

Soil erosion can be prevented by:

1. Terrace farming.
2. Intensive cropping.
3. Deforestation.
4. Both (a) and (b).

Which of the following is gaseous fumigant?

Ligament connects a bone with:

1. Skin
2. Muscle
3. Bone
4. Both (b) and (c)

Father of histology is:

1. Malpighi
2. Bichat
3. Mayer
4. None of them

Well defined nucleus is absent in:

1. Plant cell.
2. Animal cell.
3. Eukaryotic cell.
4. Prokaryotic cell.

A very long sticky tongue and ability to change colour occurs in:

1. Garden lizard.
2. Chamaelon.
3. Python.
4. King cobra.

The technique used to obtain variety with high yield and other desirable characters is:

1. Intraduction
2. Selection
3. Hybridization
4. Both (a) and (b).

Inland fisheries is referred to:

1. Culturing fish in freshwater.
2. Trapping and capturing fishes from sea coast.
3. Colchicine treatment.
4. Breeding with their wild relatives.

Epiblema bears:

Along with the indigenous breeds, the exotic varieties of honey bees are also widely used for commercial production of honey in India. The Italian bee, named ApisMellifera is the most commonly breed domesticated in India. Which of the following is not a reason for the preferential use of this breed?