Tissues — Science STD 9 — Question

Balanoglossus belons to Hemichordata which forms a connecting link between:

1. Urochordates and cephalochordates.
2. Urochordates and vertebrates.
3. Cephalochordates and vertebrates.
4. Nonchordates and chordates.

If a cell swells, after being placed in solution, the solution is:

Which of these is a multicellular organism?

Basic taxonomic category is:

1. Population.
2. Spices.
3. Variety.
4. Breed.

Growing different crops in the same field in a pre planned succession is:

1. Crop management.
2. Crop rotation.
3. Intercropping.
4. Plant breeding.

The cell wall of which out of these is not made up of cellulose:

The meristerm which develops into primary vascular tissue is:

Which of following organisms can be seen only under the microscope?

Pain in abdomen is:

1. Symptom.
2. Sign.
3. Cause.
4. Effect.