Heredity and Variation Set 5

All India Pre Medical Test (AIPMT)

Practice Mode Previous Next
On This Page

This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Heredity and Variation Set 5

Q1 | Test cross in plants or in Drosophilia involves crossing AIPMT - 2011
  • between two genotype with recessive trait
  • between two F1 hybrids
  • the F1 hybrid with a double recessive genotype
  • between two genotypes with dominant traits
  • cessive
Answer: the F1 hybrid with a double recessive genotype
Q2 | Which one of the following conditions of the Zygotic cell would lead to the birth of a normal human female child? AIPMT - 2011
  • Two X Chromosomes
  • Only One Y Chromosomes
  • Only One X Chromosomes
  • One X chromosome and One Y chromosome
  • cessive
Answer: Two X Chromosomes
Q3 | F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1 . It represents in case of AIPMT - 2012
  • Co - Dominance
  • Dihybrid Cross
  • Monohybrid cross with complete dominance
  • Monohybrid cross with incomplete dominance
  • cessive
Answer: Monohybrid cross with incomplete dominance
Q4 | A normal - Visioned man whose father was colourblind, marries a woman whose father was also colourblind. They have their first child as a daughter. What are the chances that this child would be colourblind?
  • 100%
  • 0%
  • 25%
  • 50%
  • cessive
Answer: 100%
Q5 | A test cross is carried out to AIPMT - 2012
  • determine the genotype of a plant at F1
  • Predict whether two traits are linked
  • assess the number of alleles of a gene
  • determine whether two species or varieties will breed successfully.
  • cessive
Answer: determine the genotype of a plant at F1
Q6 | Represented below is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern?
  • Phenyl ketonuria
  • Sickle Cellanaemia
  • Haemophilia
  • Thalassemia
  • cessive
Answer: Haemophilia
Q7 | A cross between AaBB X aaBB yields a genotypic ratio of AIPMT - 1990
  • 1 AaBB : 1 aaBB
  • I AaBB : 3aaBB
  • 3 AaBB : 1 aaBB
  • All AaBb
  • cessive
Answer: 1 AaBB : 1 aaBB
Q8 | Which of the following is non - heritable? AIPMT - 1995
  • Point mutation
  • Chromosomal mutation
  • Gene mutation
  • Somatic mutation
  • cessive
Answer: Point mutation
Q9 | Dihybrid cross proves the law of AIPMT - 1992
  • segregation
  • Purity of gametes
  • Dominance
  • Independent assortment
  • cessive
Answer: Independent assortment
Q10 | In a dihybrid cross between AABB and aabb the ratio of AABB, AABb, aaBb, aabb in F2 generation is
  • 9 : 3 : 3: 1
  • 1: 1: 1: 1
  • 1: 2: 2: 1
  • 1 : 1 : 2 : 2
  • cessive
Answer: 1: 2: 2: 1
Q11 | The allele which is unable to express its effect in the presence of another is called AIPMT - 1991
  • Co - dominant
  • Supplementary
  • Complementary
  • Recessive
  • cessive
Answer: Recessive
Q12 | Which person is suffering from disease according to given sentences ?
  • Mahesh walks slowly & become tired.
  • There is appearance of scaly lesions on skin of naresh.
  • Paresh is suffering from vomiting.
  • All of them suffer from disease.
Answer: All of them suffer from disease.
Q13 | What is the location of Salmonella typhi during diseased condition ?
  • Stomach
  • Kidney
  • Liver
  • Intestine
Answer: Intestine
Q14 | Which test is carried out if disease is occured by salmonella typhi ?
  • Widal test
  • Lisman test
  • Blood test
  • Barium test
Answer: Widal test
Q15 | Generally streptococcus pneumoniae causes pneumonia but which bacteria is responsible for this diseare ?
  • Pneumococcu
  • Tuberculosis.
  • Haemophilus influenzae
  • Salmonella typhi
Answer: Haemophilus influenzae
Q16 | Chhaganbhai is suffering from fever, then which kind of organism responsible for it ?
  • Plasmodium vivex
  • Plasmodium malarie.
  • Plasmodium falciparum
  • All of hte given.
Answer: Plasmodium falciparum
Q17 | Duration of fever occured by plasmodium malarie is _______
  • Every 24 hours.
  • Every 48 hours.
  • Every 36 hours.
  • Every 72 hours.
Answer: Every 72 hours.
Q18 | From which kind of host life cycle of plasmodium passes ?
  • Male of Human & of Anopheles mosquito.
  • Male of Human & Male of Anopheles mosquito.
  • Human & Female Anopheles mosquito.
  • Human & Male Anopheles mosquito.
Answer: Human & Male Anopheles mosquito.
Q19 | What is responsible for malaria...?
  • All Anopheles mosquitoes.
  • All Culex mosquitoes.
  • Only male Anopheles mosquitoes
  • Only female Anopheles mosquitoes
Answer: Only female Anopheles mosquitoes
Q20 | The spherical from of metacryptomezoites is called _____
  • Sporozoite
  • Cryptoschizont
  • Trophozoite
  • Gamato cyte
Answer: Trophozoite
Q21 | What is improper for ringworm disease.
  • It is done by Trichophyton fungi.
  • By constant itching the lesions get expanded
  • It is done by using infected persons comb.
  • It is done by secretion of serotonin chemical.
Answer: It is done by secretion of serotonin chemical.
Q22 | In figure what is indicated by "P" ?
  • Hydrogen bond
  • Ionic bond
  • Disuphlide bond
  • Hydrophobic bond
Answer: Disuphlide bond
Q23 | Give the name of scientist who are concern with interferon word.
  • Watson & Crick
  • Khorana
  • Luis pasteur & Stemberg
  • Ellic isaks & jan lindenmen
Answer: Ellic isaks & jan lindenmen
Q24 | At Which time interferon is secreted ?
  • When antibody reacts with antigen in our body.
  • When serotonin become active
  • When lymphocytes become active
  • When our body cell's are infected by virus then that cell's secret this chemical.
Answer: When our body cell's are infected by virus then that cell's secret this chemical.
Q25 | Which is the process of biological control,which is for controlling to spread the diseare caused by mosquitoes.?
  • Masquito net
  • Spreading & chemicals
  • Fish like Gambusia
  • Net in doors & windows
Answer: Fish like Gambusia
Previous Next