Nucleolus

Q.

Which one of the following is not considered as a part of the endomembrane system?

1. Golgi complex

2. Vacuole

3. Lysosome

4. Peroxisome

Q. The ribosomal RNA is produced in

1. Golgi apparatus
2. mitochondria
3. cytoplasm
4. nucleolus

Q.

Plant cells normally lack

1. Golgi bodies

2. Centrioles

3. Cell membrane

4. Ribosomes

Q. Eukaryotic chromosome different from prokaryotic as these are made up of

1. RNA
2. DNA
3. DNA and lipid
4. DNA and histone

Q. Nucleolus is

1. rounded structure found in cytoplasm neat nucleus.
2. rounded structure inside nucleus having r RNA.
3. rod-shaped structure in cytoplasm near the nucleus.
4. none of the above.

Q. The nucleolus is produced from

1. primary constriction
2. nucleolar organising region of certain chromosomes
3. nuclear envelope
4. ER

Q. Ribosomes are synthesised and assembled in the of a cell.

1. nucleosome
2. nucleoplasm
3. nuclear pore
4. nucleolus

Q. The biosynthesis of ribosomal RNA occurs in:

1. Nucleolus
2. Microbodies
3. Golgi apparatus
4. Ribosomes

Q. In animal cells lipid like steroidal hormones are synthesized in smooth endoplasmic reticulum which hormones name them?

Q. In Karyogram, sex chromosomes should placed at the end, but exception is-

1. Drosophila
2. Homo sapiens
3. Ginkgo
4. Pisum

Q. True chromosomes absent in prokaryotes due to the absence of

1. Nucleolus
2. Histone
3. Nucleus
4. All of the above