| 1 |
Essential part of nucleic acids are. |
Hexoses
Pentoses
Heptoses
Trioses
|
| 2 |
%age of nucleic acids in dry mass of protoplasm. |
7
18
90
10
|
| 3 |
This is a heredity materials . |
rRNA
RNA
tRNA
DNA
|
| 4 |
Polynucleotide strands present in DNA molecule are. |
2
3
4
5
|
| 5 |
Genes conatain instuctions for the synthesis of. |
Fats
Protens
Vitamins
Carbohydrates
|
| 6 |
Which of the following statements regardign genes is false. |
Genes are located on chromosomes
Genes consist of a long sequence of DNA
A gene contains information for the production of a protein
Each cell contains a sigle copy of every gene
|
| 7 |
Genes are short segments of. |
DNA
Lipids
Protein
Carbohyrdrates
|
| 8 |
The type of RNA that bring amino acids to the ribosome is. |
tRNA
snRNA
rRNA
mRNA
|
| 9 |
All the nucleotides of RNA differ from the nucleotides of DNA in having different |
Nitrogen base
Phosphate group
Pentose sugar, nitrogen base
Carboxylic group
|
| 10 |
Transcription takes place in the |
Cytoplasm
Ribosomes
Rough endoplasmic reticulum
Nucleus
|
| 11 |
Both strands of DNA are held together by hydrogenbonding double hydrogen bonds are present between |
Adenine and guanine
Adenine and thymine
Cytosine and guanine
Cytosine and thymine
|
| 12 |
During translation, sequence of amino acids in the protein decided on the basis of sequence of nucleotides in. |
mRNA
tRNA
rRNA
DNA
|
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