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PG TRB Botany Question Paper with Answers

TRB Model Questions
1. The metal present in chlorophyll is
 
  • A. Iron
  • B. Copper
  • C. Sodium
  • D. Magnesium
Answer: D.
Magnesium
 
2. Which metal is present in green leaves?
 
  • A. Cobalt
  • B. Iron
  • C. Magnesium
  • D. Potassium
Answer: C.
Magnesium
 
 
3. The powerhouse of a cell is
 
  • A. Nucleus
  • B. Ribosome
  • C. Chloroplast
  • D. Mitochondria
Answer: D.
Mitochondria
 
4. Artificial silk is prepared from
 
  • A. Wool
  • B. Wood pulp
  • C. Phloem fibres
  • D. Synthetic fibres
Answer: D.
Synthetic fibres