10th Samacheer Quiz

Q1. Hybridisation can combine desirable traits from two parents.

Hybridisation Filtration Distillation Sedimentation

Q2. Bt cotton was developed mainly for protection against:

Insect pests Only drought Salt water Only cold

Q3. Which statement is most directly related to Unit 20: Breeding and Biotechnology?

Biotechnology Cell wall Gravity Photosynthesis

Q4. Producing many copies of a plant through tissue culture is called:

Micropropagation Dispersion Neutralisation Radioactivity

Q5. What is the practice of breeding organisms with selected desirable traits called?

Selective breeding Photosynthesis Respiration Transpiration

Q6. Which can be used as a biofertilizer?

Rhizobium Plastic Glass Nylon

Q7. Biotechnology uses biological systems or organisms to make useful products or processes.

Biotechnology Astronomy Geology Meteorology