9th Biology Unit 16 Genes & Inheritance MCQs Sindh Board

On this Page you will learn Ninth Class Chapter No.16 Genes & Inheritance Solved Full Chapter MCQs With Solved Answers Quiz Test. If you are looking 9th Class Karachi Sindh Board Biology Chapter Wise Solved MCQs With Answers You are on this page right place. You will learn online here Objective type IX Class Biology Solved Unit 16 Most Repeated MCQs with Solved Answers Quiz Tests.

Biology MCQs
9th Biology MCQs Quiz

Q.1: The basic unit of inheritance is?
  1. Nucleus
  2. Gametes
  3. Genes
  4. Chromosome
C
Q.2: Physical and physiological appearance of a trait in an individual is?
  1. Phenotype
  2. Genotype
  3. Genome
  4. Karyotype
A
Q.3: Crossing over takes place between?
  1. Two non-homologous chromosomes
  2. Two homologous chromosomes
  3. Any two chromosomes
  4. Non\-sister chromatids of homologous chromosomes
D
Q.4: Nucleic acid is a?
  1. DNA
  2. RNA
  3. Nucleotide
  4. Polynucleotide
C
Q.5: What is the genotypic ratio of offspring’s of monohybrid in second generation.?
  1. 9:3:3:1
  2. 1:2:1
  3. 3:1
  4. 1:1:1:1
C
Q.6: Molecular scissors used in genetic engineering?
  1. Restrictions
  2. Lipase
  3. Genetic donor
  4. Plasmids endonucleus
D
Q.7: Who among these was produced by genetic engineering??
  1. Dhani on
  2. Rahu-thaila carp
  3. Nancy sheep
  4. Jersey Sahiwal cow
C
Q.8: Who secretes human factor VIII in her milk??
  1. Ethel
  2. Neeli - Ravi
  3. Kajli
  4. Nancy
A
Q.9: The characteristics of the offspring’s to resemble Its parent is called?
  1. Heredity
  2. Histones
  3. Inheritance
  4. genetics
A
Q.10: Basic protein of DNA is called?
  1. Histones
  2. Polynucleotid
  3. None of them
  4. Nucleotides
A
Q.11: The change in the base sequence in the DNA molecule is called?
  1. Nucleotides
  2. Helix
  3. Replication
  4. Point mutation
D
Q.12: The genetic makeup or gene constitution of an individual is?
  1. breeder
  2. Genotype
  3. Genetics
  4. Hybrid
B
Q.13: Mendel called the F1 generation as?
  1. First filial generation
  2. Parental generation
  3. Hybrid generation
  4. Second filial generation
C
Q.14: A pair of contrasting characters like tall and dwarf stem called?
  1. Allelomorph
  2. Phenotype
  3. Hybrid
  4. Allele
A
Q.15: It is a x shaped cross links formed between non sister chromatids?
  1. Genome
  2. Crossing over
  3. Chiasma
  4. Synapsis
C
Q.16: It is caused by sex linked genes?
  1. Diabetes
  2. Diarohea
  3. Hemophilia
  4. Sickle cell anemia
C
Q.17: There are four different kinds of organic bases found in the DNA one of them is?
  1. Chiamata
  2. Adenine
  3. Genome
  4. Locus
B
Q.18: Each molecule of DNA is made up of two?
  1. Deoxyribose
  2. Poly nucleotide
  3. Nucleotides
  4. Nitrogenous Bases
B
Q.19: Mutation may give rise to even more than two alternate form of a gene called?
  1. Alleles
  2. Nitrogenous base
  3. Nucleotides
  4. Phosphoric acid
A
Q.20: Your body contains two set of --------_ chromosomes each?
  1. 23
  2. 22
  3. 44
  4. 11
A
Q.21: Which traits do not pass to woman??
  1. x and y linked
  2. Sex linked
  3. Autosomal
  4. y\-Iinked
D
Q.22: Which traits are more common in man than woman??
  1. x and y linked
  2. Autosomol
  3. x-linked recessive
  4. y\-linked
D
Q.23: Pick out the x- linked recessives trait?
  1. Sickle cell anaemia
  2. Maleness
  3. Diabetes
  4. Haemophila
D
Q.24: Which type of trait colour blindness is?
  1. y - linked
  2. x - linked
  3. Autosomal
  4. x \-\ linked recessive
D
Q.25: Who is responsible for determination of maleness??
  1. y - chrornosomes
  2. Autosome
  3. x - chromosomes
  4. SRY gene
D
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