Question # 1

Human cells have 46 chromosomes consisting of

Choose an answer

20 pairs

21 pairs

22 pairs

23 pairs

Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a

Choose an answer

Histomone

Nucleosome

Peroxisome

Glyoxisome

Chromosomal part which uncoils, during inter phase is called.

Choose an answer

Chromatids

Satellite DNA

Euchromatin

Heterochromatin

Adenine and guanine are called

Choose an answer

Purines

Pyrmidines

Both a & b

None of these

Innate behavior is all but;

Choose an answer

Heritable

Intrinsic

Sterotypic

Flexible

In the double helix of DNA adenine forms two hydrogen bonds with

Choose an answer

Thymine

Guanine

Cytosine

Uracil

Amino acid attachment site of tRNA is.

Choose an answer

G-end

2' -end

3'- end

5' -end

Which of the following is a non sense codon.

Choose an answer

UGA

UGG

AUG

AUC

A strand of DNA, which is not transcribed is called as.

Choose an answer

Template strand

Antisense strand

Lagging strand

coding strand

Unlike most proteins, histones are.

Choose an answer

Positively charges

Neutral

discharged

Negatively charged

A sequence of three nucleotides in mRNA is called.

Choose an answer

Cistron

Codon

Anticodon

Templet

The copping of mRNA from DNA is called.

Choose an answer

Translation

Transduction

Transcription

Transformation

A central role for chromosomes in heredity was first suggested in 1900 by.

Choose an answer

Karl correns

W. Sutton

F. Griffiths

T.H.Morgan

Histones are positively charged due to an abundance of the basic amino acids

Choose an answer

Arginine

Lysine

Both a & c

Alanine

Which one of the given is non sense codon.

Choose an answer

AUG

ACU

GAU

UAA

The particular array of chromosomes that an individual possesses called its.

Choose an answer

Genotype

Phenotype

epistasis

Karvotype

Each Okazaki fragment is synthesized by.

Choose an answer

RNA Polymerase

DNA polymerase

DNA polymerase I

DNA polymerase III

More Classes

Other Links

Biology Fsc Part 2 Chapter 6 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer