Cell The Unit of Life Test No-10

NEET Foundation Class VIII-Botany-Cell The Unit of Life

1. Mature Sieve tube cells (of phloem) lack

 
 
 
 

2. Microbodies that protect cells from toxic effect of hydrogen peroxide are

 
 
 
 

3. Structures involved in the conversion of stored lipids to carbohydrates

 
 
 
 

4. Loose indistinct network of nucleoprotein fibers observed in an eukaryotic nucleus are

 
 
 
 

5. Which of the following is observed in most of the eukaryotic chromosomes

 
 
 
 

6. Diameter of a nucleosome bead is

 
 
 
 

7. Ratio between number of kinetochores present in a centromere to that of number of turns of DNA present around a nucleosome core respectively is

 
 
 
 

8. Unrelated aspect of glyoxylate cycle is

 
 
 
 

9. Number of types of histone proteins observed in an eukaryotic chromatin fibre with 100 nucleosomes is

 
 
 
 

10. This is correct association of Ribosomal units

 
 
 
 

11. All living cells have

 
 
 
 

12. The rough enoplasmic reticulum (RER) in the cells are because of the presence of

 
 
 
 

13. The plasma membrane consists mainly of

 
 
 
 

14. Golgi body arises from

 
 
 
 

15. Character observed in prokaryotic cell is the presence of

 
 
 
 

16. Surface structure in bacterial cell that help in attachment to substratum

 
 
 
 

17. Cell envelope in a bacterial cell consists of

 
 
 
 

18. Correct statement about mesosomes is