(a) Mitochondria
(b) Ribosome
(c) Lysosomes
(d) Chloroplast
Ans- (d) Chloroplast
If sequence of DNA is ATC then sequence of mRNA will be- [HSC-MCQ Barisal board 2017]
(a) TAG
(b) UAG
(c) UUG
(d) TAC
Answer- (b) UAG
By which does translation begin? [HSC-MCQ Barisal board 2017]
(a) Threonine
(b) Proline
(c) Histidine
(d) Methionine
Answer- (d) Methionine
Which are the components of nucleic acid? [HSC-MCQ Dinajpurt board 2017]
(a) Ribose
(b) Maltose
(c) Erythrosis
(d) Mannose
Answer- (a) Ribose
Which is the start codon? [HSC-MCQ Dinajpur board 2017]
(a) Methionine
(b) Serine
(c) Valine
(d) Leucine
Ans- (a) Methionine
Helps in cell plate formation [HSC-MCQ Dinajpur board 2017]
(a) Golgi object
(b) Ribosome
(c) Microtubules
(d) Lysosomes
Answer- (a) Golgi substance
The part of pre-mRNA where translation takes place is called- [HSC-MCQ Dinajpur board 2017]
(a) Exons
(b) Introns
(c) Splicing
(d) Muton
Answer- (a) Exons
Used to make mRNA from DNA- [HSC-MCQ Sylhet board 2017]
(i) RNA polymerase
(ii) DNA polymerase
(iii) N2 alkali AUGC
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer- (d) i, ii and iii
How many hydrogen bonds are there in TAGCCGAAT? [HSC-MCQ Sylhet board 2017]
(A) 4
(b) 8
(c) 10
(d) 12
Answer- (c) 10
What is the cell’s energy-producing organelle? [HSC-MCQ Sylhet board 2017]
(a) Chloroplast
(b) Ribosome
(c) Mitochondria
(d) Golgi object
Ans- (c) Mitochondria