Role of microtubules is:
1. To help in cell division
2. Cell membrane formation
3. Respiration
4. Pinocytosis
Difference between eukaryotes and prokaryotes is in:
1. Circular ss DNA in prokaryotes
2. Histone with prokaryotic DNA
3. Operon in eukaryotes
4. Membrane bound organelles in eukaryotes
Flagella of prokaryotic and eukaryotic cells differ in:
1. | Location in cell and mode of functioning |
2. | Microtubular organization and type of movement |
3. | Microtubular organization and function |
4. | Type of movement & placement in the cell |
Extranuclear inheritance is a consequence of the presence of genes in:
1. Endoplasmic reticulum & mitochondria
2. Ribosomes and chloroplasts
3. Lysosomes and ribosomes
4. Mitochondria and chloroplasts
In chloroplasts, chlorophyll is present in the:
1. Inner membrane
2. Thylakoids
3. Stroma
4. Outer membrane
Plant pathogenic bacteria are mostly:
1. Gram + Non-spore forming
2. Gram – Non-spore forming
3. Gram + spore forming
4. Gram (–) spore forming
The telomeres of eukaryotic chromosomes consist of short sequences of:
1. Cytosine-rich repeats
2. Adenine-rich repeats
3. Guanine-rich repeats
4. Thymine-rich repeats
Double unit membrane is absent in:
1. Ribosomes
2. Nucleus
3. Plastids
4. E.R
The genetic material of prokaryotic cell:
1. Non histonic double-stranded DNA
2. Histonic double-stranded DNA
3. Histone & DNA both are absent
4. Histone without DNA
Which cell organelle is concerned with the glycosylation of protein:
1. Ribosome
2. Peroxisome
3. Endoplasmic reticulum
4. Mitochondria