Q. No.Which one of the following statements about mycoplasma is wrong?
1. They are also called PPLO
2. They are pleomorphic
3. They are sensitive to penicillin
4. They cause disease in plants
The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodor Schwann
4. Schleiden
The shorter and longer arms of submetacentric chromosome are referred to as:
1. m-arm and n-arm respectively
2. s-arm and l-arm respectively
3. p-arm and q-arm respectively
4. q-arm and p-arm respectively
Which of the following pair of organelles does not contain DNA?
1. Nuclear envelope and Mitochondria
2. Mitochondria and Lysosomes
3. Chloroplast and Vacuoles
4. Lysosomes and vacuoles
Which of the following statements is not correct?
| 1. | Lysosomes are formed by the process of packaging in the endoplasmic reticulum. |
| 2. | Lysosomes have numerous hydrolytic enzymes |
| 3. | The hydrolytic enzyme of lysosomes are active under acidic pH |
| 4. | Lysosomes are membrane bound structure. |
1. proplastids
2. glyoxisomes
3. peroxisomes
4. mitochondria
Membrane-bound organelles are absent in:
1. Saccharomyces
2. Streptococcus
3. Chlamydomonas
4. Plasmodium
1. mitochondria
2. chromoplast
3. ribosomes
4. chloroplast
Which one of the following does not differ in E.coli and Chlamydomonas?
1. Ribosomes
2. Chromosomal organization
3. Cell wall
4. Cell membrane
1. Basal bodies
2. Pneumatophores
3. Chromatophores
4. Heterocysts
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