TNPSC - General Knowledge in Science for all Competitive Exams

1. Cells which are in a state of division are called?

Answer: Meristems

2. What is the site of respiration?

Answer: Mitochondria

3. The growth of pollen tube towards ovule is an example of ______?

Answer: Chemotropism

4. Xylem and phloem are example of _______ tissues

Answer: Complex

5. ________ is an angiosperm which has saprophytic mode of nutrition

Answer: Monotropa

6. Who was discovered Argon gas?

Answer:William Ramsay

7. Which form of phosphorus is used in safety metals?

Answer: Red Phosphorus

8. Heavy water is _____

Answer: Deuterium Oxide

9. The percentage of carbon is the least in____

Answer: Steel

10. What is the best conductor of electricity?

Answer: Silver

11. A super conductor is characterized by _____

Answer: Zero permeability

12. The group of metals Fe, Co, Ni may be best called as ______

Answer: Transition Metals

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