10th Class Biology Solved MCQS
Formation of messenger RNA from DNA is called:
Transcription
Translation
Translocation
Transduction
How many pea plants were used in experiment of Mendel?
27,000
26,000
28,000
29,000
How many pairs of homologous chromosomes are present in human body cells:
25
24
22
23
Example of discontinuous variation is:
Intelligence
None of these
Blood group
Height in Man
Specific sequence of DNA nucleotides is copied in the form of mRNA in a process.
Transcription
Replication
Inheritance
Translation
Cytosine always makes pair with.
Guanine
Adenine
thymine
Hyydrogen
Among following which is example of co-dominance?
Blood group B
Blood group A
Blood group O
Blood group AB
Among following, which is source of variations?
All of these
Mutation
Crossing over
Gene flow
THe location or position of genes on chromosomes are called:
Genotypes
Alleles
Phenotypes
Loci
Chromatin is made up of:
DNA
DNA+ Protein
Protein
None of these
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