Tissues — Science STD 9 — Question

Name any inexhaustible natural resource.

Give one example of:

1. Cartilaginous fish.
2. Bony fish.

1. Dead cells, thick walled, no inter cellular.
2. Living cells, thin-walled, no intercellular spaces.
3. Dead cells, thin-walled, large intercellular spaces.
4. Living cells, thin-walled, large intercellular spaces.

Name the microbes against which antibiotics are nearly ineffective.

Name the chemical present in the stomach, which kills the microbes.

Ganga 5 is the variety of rice.

To which group does sea horse (Hippocampus) belong?