Botany (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers
Practice Mode:
15.
Which of the following are correct ?
1. Chloroplasts contain ribosomes.
2. Ribosomes are without limiting membrane and nucleic acid.
3. 80 S ribosomes are found in cells of Protista.
4. Ribosomes were discovered by Porter et al. In 1840.