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Biology Quiz - Questions with Answers for Competition

Questions
46 Relative morphologies of chromosome of an individual indicates his/her
A Genotype
B Phenotype
C Pedigree chart
D Karyotype

Answer: Option [D]

Relative morphologies of chromosome of an individual indicates his/her Karyotype.

47 The smallest portion of gene which is responsible for mutation is called as:
A Operon
B Codon
C Recon
D Muton

Answer: Option [D]

The correct answer is Muton. A part of the gene that is capable of undergoing mutation has been called the muton. It is the shortest unit within a gene that can undergo mutation. The muton is composed of one or many pairs of nucleotides.

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48 Each chromosome carries a distinct region which plays a fundamental role in chromosome movements during mitosis is
A Centromere or kinetochore
B Telomere
C Centriole
D Chromatid

Answer: Option [A]

The correct answer is Centromere.

49 The terminal end of a chromosome is called
A Centromere
B Chromomere
C Telomere
D Metamere

Answer: Option [C]

The terminal end of a chromosome is called Telomere. A telomere is a region of repititive nucleotide sequences at each end of a chromatid, which protects the end of the chromosome from deterioration or from fusion with neighbouring chromosomes.

50 Where is the genetic information in body contained
A Structural proteins
B Enzymes
C DNA
D Enzymes and DNA

Answer: Option [C]

The correct answer is DNA. Deoxyribose Nucleic Acid or DNA carries the genetic information in the form of small segments known as genes and is also the genetic material in various organisms including humans. Structural proteins and enzymes are the gene products that are synthesised from DNA through the process of translation.

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