Science quiz

1. Transfer of naked DNA is observed in
a) Transformation
b) Transduction
c) Conjugation
d) Transformtion

2. The synthesis of DNA using DNA as a template is called
a) Recombination
b) Replication
c) Induction of gene
d) Gene Repetition

3. The technique used to amplify the DNA in IN VITRO
a) PSR
b) TCR
c) PCR
d) PCER

4. The nitrogen bases in DNA are bonded by
a) Phosphate
b) Deoxyribose
c) Ribose
d) Hydrogen

5. The smallest unit of heridity
a) chromosomes
b) Gene
c) Codon
d) Nucleotide

6. In Bacteria DNA is
a) 3-stranded
b) 1-stranded
c) 4-stranded
d) 2-stranded

7. The diameter of DNA molecule is
a) 10 A
b) 20 A
c) 3.4 A
d) 34 A

8. DNA was first isolated from
a) Nuclei
b) Golgi complex
c) Mitochondrion
d) Endoplasmic reticulum

9. which form of agar have gelling property?
a) Agarose
b) Agaropectin
c) Both a and b
d) neither a nor b

10. feature of nuclear envelope include
a) Paplomers
b) Presence of pilli
c) Tubules
d) None