(a) Deoxyribonucleotide
(b) Ribonucleotides
(c) Polyribosomes
(d) Nucleic acid
Answer- (a) Deoxyribonucleotide
Category: Biology Second Paper
Which is the initiation codon? [HSC B B 2022]
(a) AUG
(b) UUU
(c) UAG
(d) UGA
Answer- (a) AUG
An A=C pair was observed in a newly synthesized DNA strand – [HSC B B 2022]
(i) Here A=T would be correct
(ii) It is due to errors in DNA polymerase-III
(iii) Repair complex repairs it naturally
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer- (d) i, ii and iii
Hydrolysis of RNA yields- [HSC B B 2022]
(a) Deoxyribose
(b) Histones
(c) Thymine
(d) Uracil
Answer- (d) Uracil
Which cytoplasmic cell is not membrane bound? [HSC B B 2022]
(a) Golgibody
(b) Ribosome
(c) Lysosomes
(d) Per-oxisome
Ans- (b) Ribosome
The middle layer contains more- [HSC B B 2022]
(a) Pectic acid
(b) Cellulose
(c) Glycoproteins
(d) Lignin
Ans- (a) Pectic acid
What is the number of chromosomes in rice? [HSC D B 2022]
(A) 24
(b) 28
(c) 40
(D) 42
Answer- (a) 24
What is the process of making mRNA from DNA called? [HSC D B 2022]
(a) Replication
(b) Mutation
(c) Transcription
(d) Translation
Answer- (c) Transcription
Characteristics of Golgibody are- [HSC D B 2022]
(i) Forms lysosomes
(ii) Forms cell plates
(iii) Aids in phagocytosis
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer- (a) i and ii
A long, cylindrical and parallelepiped body is [HSC D B 2022]
(a) Tubules
(b) Cisternae
(c) Vesicles
(d) Vacuole
Answer- (b) Cisternae