Cell interview questions

Chromosome tips have unusual DNA Structure. These are called as

1. Nucleolar organizers
2. Telomeres
3. Centromeres
4. Satellites

Mutations which occurs in nature.

1. Lethal mutation
2. Morphological mutations
3. Spontaneous mutation
4. Induced mutations

Which one of the following is a homogametic condition?

1. XO
2. XX
3. ZW
4. XY

Insulin is a

1. Organic acid
2. Vaccine
3. Therapeutic product
4. Human growth hormone

Bar eye in Drosophila is due to

1. Translocation
2. Duplication
3. Detetion
4. Inversion

Eukaryotes contain all the following types of r RNA except

1. 16 S r RNA
2. 18 S r RNA
3. 28 S r RNA
4. 5.8 S r RNA

Which of the following is not needed for DNA replication?

1. t RNA
2. RNA primer
3. DNA polymerases
4. Deoxyribonucleoside triphosphate

The function of the nucleolar organizer regions is to

1. To code for m RNA
2. To code for t RNA
3. To code for r RNA
4. To code for proteins

The credit of developing the polio vaccine goes to

1. Alb E. Sabin
2. Selman Waksman
3. Jonas Salk
4. None of these

A cancer in the antibody forming cells is called as

1. Osteoma
2. Sarcoma
3. Myeloma
4. Lymphoma

Mutation in Drosophila was first reported by

1. De Duve
2. T.H. Morgan
3. Hugo de varies
4. T.G. Dobzhansky

The term chromosome was given by

1. W. Waldeyer
2. Watson and Crick
3. Chargaff
4. E.G. Balibiani

The semi conservative model of DNA replication was verified by

1. E.G. Balbiani
2. Chargaff
3. Maselson and Stahl
4. Watson and Crick

Which of the following is not a stop codon?

1. UGA
2. UAC
3. UAA
4. UAG

Chromosome lacks a chromosomal segment

1. Translocation
2. Inversions
3. Deletions
4. Duplications

 X linked hemophilia is due to

1. Point mutation
2. Chromosomal mutation
3. Germinal mutation
4. Somatic mutation

Detection of blood glucose in nowadays require

1. Gene manipulation
2. Genetic Engineering
3. Biosensor
4. Biochips

Monoclonal antibodies are

1. Antibiotics
2. Biofertilizer
3. Enzymes
4. Diagnostic tests in cancer therapy

Lampbrush chromosome was discovered by

1. Meselson
2. Chargaff
3. Ruckert
4. R.H. Morgan

Which of the following is used for the introduction of useful genes from some other organisms?

1. Azatobactor
2. Bacillus Subitus
3. E. Coli
4. Nitrosomonas

In man the number of chromosome is

1. 8
2. 20
3. 24
4. 46

Bacteriophage is a

1. Fungus
2. Bacteria
3. Virus
4. Protozoa

Which of the following is not a constituent of the chromosome?

1. Pigments
2. Nucleic acids
3. His tone proteins
4. Non his tone proteins

Which of the following factors is not involved in translation?

1. Promoters
2. Release factors
3. Elongation factors
4. Initiation factors

Diabetes is caused by

1. Decrease in glucose
2. Eating too much sugar
3. Fall in insulin level
4. Increase in insulin level