1. A group of ribosomes attached to mRNA is known as:

a) Lysosomes

b) Polysomes 

c) glyoxisomes 

d) Peroxisomes

Correct Answer

Polysomes


2. The cell wall is secreted by:

a) Protoplasm

b) Nucleoplasm 

c) Golgi complex 

d) Ribosome

Correct Answer

Protoplasm


3. Membrane bounded green pigment-containing bodies present in the cells are called as:

a) Plastids 

b) Chloroplasts 

c) Chromoplasts 

d) Leucoplasts

Correct Answer

Chloroplasts


4. Germ theory of disease was formulated by:

a) Louis Pasteur 

b) Robert Koch 

c) Antone van Leeuwenhoek 

d) Edward Jenner

Correct Answer

Robert Koch


5. Cristae are found in:

a) Mitochondria 

b) Chloroplast 

c) Golgi complex 

d) ER

Correct Answer

Mitochondria


6. Infolding of the inner membrane of mitochondria are:

a) Cisternae 

b) Cristae 

c) Thylakoid

d) Granum

Correct Answer

Cristae


7. Robert Brown reported the presence of:

a) Lysosome 

b) Ribosomes 

c) Mitochondria 

d) Nucleus

Correct Answer

Nucleus


8. Golgi apparatus is concerned with cell:

a) Division 

b) Lysis 

c) Secretion 

d) Storage

Correct Answer

Secretion


9. The number of chromosomes in Drosophila melanogaster is:

a) 26 

b) 48 

c) 8 

d) 14

Correct Answer

8


10. Cell theory was finally formulated by:

a) Watson and Crick 

b) Schielden and Schwann 

c) Louis Pasteur 

d) Lorenz Oken

Correct Answer

Shelden and Schwann


11. The protein present in microtubules is:

a) Actin 

b) Myosin 

c) Tropomyosin 

d) Tubulin

Correct Answer

Tubulin


12. The plasma membrane and everything present within it is called:

a) Chloroplast 

b) Protoplast 

c) Cytoplasm 

d) Protoplasm

Correct Answer

Protoplasm


13. In prokaryotic cell wall strengthening material is:

a) Chitin 

b) Lignin 

c) Cutin 

d) Murein

Correct Answer

Murein


14. The cell membrane has 60-80%:

a) Lipids 

b) Proteins 

c) Carbohydrates 

d) Vitamins

Correct Answer

Proteins


15. The cyclosis and amoeboid movements are due to:

a) Microtubules 

b) Microfilaments 

c) Intermediate filament 

d) All of these

Correct Answer

Microfilaments


16. Cell Wall of Prokaryotic Organisms lacks cellulose, instead of cellulose its strengthening material is:

a) Murein 

b) Cutin 

c) Wax 

d) Silica

Correct Answer

Murein


17. Tay Sach's disease results due to accumulation, in brain cells, of:

a) ions 

b) Glucose 

c) Proteins 

d) Lipids

Correct Answer

Lipids


18. Omnis Cellula -e- Cellula was hypothesized by:

a) Schleiden 

b) Rudolph Virchow 

c) Louis Pasteur 

d) Lorenz Oken

Correct Answer

Rudolph Virchow


19. Any foreign object that gain entry inside the cell is immediately engulfed by:

a) Lysosome 

b) Ribosome 

c) Peroxisome 

d) Glyoxisome

Correct Answer

Lysosome


20. Stroma is fluid in the chloroplast that surrounds:

a) Thylakoids 

b) Matrix 

c) Granum 

d) Intergranum

Correct Answer

Thalakoids 


21. The objective lense us 6X and magnification power of compound microscope is 24X. Then what will be the magnitude of eye piece lens?

a) 10X

b) 4X

C) 8x

d) 6X

Correct Answer

4X


22. Resolving power of light microscope is.....

a) 500nm

b)500X

c) 250nm

d) both b & c

Correct Answer

d


The last organelle segmented during ultra centrifugation is.

a) microsomes

b) golgi body

d) protiens

d) ribosomes

Correct Answer

d.