Lysosome contains:

1.	Oxidative enzymes	2.	Hydrolytic enzymes
3.	Reductive enzymes	4.	Anabolic enzymes

Chromosomes in a bacterial cell can be 1–3 in number and:

The difference in gram ⊕ and gram $\Theta$ bacteria is due to:

Extranuclear chromosomes occur in:

Element necessary for the middle lamella:
1.  Ca
2.  Zn
3.  K
4.  Cu

Microtubules are absent in:
1.  Mitochondria
2.  Flagella
3.  Spindle fibers
4.  Centriole

Extranuclear DNA is found in:

1. Lysosome and chloroplast

2. Chloroplast and mitochondria

3. Mitochondria and lysosome

4. Golgi and E.R.

Which of the following ribosomes are engaged in protein synthesis in the animal cell:
 

The mitotic spindle is mainly composed of which protein:
1. Actin
2. Tubulin
3. Actomyosin
4. Myoglobin

Ribosomes are produced in:
1. Nucleolus
2. Cytoplasm
3. Mitochondria
4. Golgibody