10th Samacheer Quiz

Q1. Biotechnology uses biological systems or organisms to make useful products or processes.

Biotechnology Astronomy Geology Meteorology

Q2. Which statement is most directly related to Unit 20: Breeding and Biotechnology?

Biotechnology Cell wall Gravity Photosynthesis

Q3. What is the practice of breeding organisms with selected desirable traits called?

Selective breeding Photosynthesis Respiration Transpiration

Q4. Which can be used as a biofertilizer?

Rhizobium Plastic Glass Nylon

Q5. Hybridisation can combine desirable traits from two parents.

Hybridisation Filtration Distillation Sedimentation

Q6. Producing many copies of a plant through tissue culture is called:

Micropropagation Dispersion Neutralisation Radioactivity

Q7. Bt cotton was developed mainly for protection against:

Insect pests Only drought Salt water Only cold