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Genetics And Evolution Mock Tests

85 questions available

Genetics And Evolution Mock Test 1

Questions: 30

Genetics And Evolution Mock Test 2

Questions: 30

Genetics And Evolution Mock Test 3

Questions: 25

नमूना प्रश्न

NEET Biology
In the evolution of humans, which hominin species is credited with being the first to use fire and make tools from stone?
A Homo habilis
B Homo erectus
C Homo sapiens
D Neanderthal (Homo neanderthalensis)
NEET Biology
The ABO blood group system in humans demonstrates both dominance and codominance. How do the Iᴬ and Iᴮ alleles exhibit codominance?
A When both Iᴬ and Iᴮ are present, only Iᴬ is expressed
B When both Iᴬ and Iᴮ are present, both A and B antigens are expressed equally on RBCs
C Iᴬ and Iᴮ alleles produce an intermediate antigen type
D Iᴬ and Iᴮ alleles are both recessive to i
NEET Biology
Which of the following is the correct statement about the difference between genotype and phenotype?
A Genotype is the genetic makeup; phenotype is the observable physical trait
B Genotype is the observable trait; phenotype is the genetic makeup
C Genotype and phenotype are the same thing
D Phenotype is inherited; genotype is influenced by the environment
NEET Biology
A child is born with Klinefelter syndrome. Which of the following chromosomal complements would be found in their cells?
A XXY
B XO
C Trisomy 21
D Trisomy 18
NEET Biology
The sex of a human child is determined by:
A The X chromosome of the egg
B The Y chromosome of the sperm
C The number of X chromosomes in the egg
D The ratio of X and Y chromosomes in the sperm
NEET Biology
DNA fingerprinting, developed by Alec Jeffreys, uses which type of DNA sequences as markers for identification?
A Exon sequences coding for proteins
B Veriably Number Tandem Repeats (VNTRs) — short repetitive DNA sequences
C Intron sequences that are non-repetitive
D Promoter regions of actively transcribed genes
NEET Biology
A man with blood group A marries a woman with blood group B. Their child has blood group O. What are the genotypes of the parents?
A Father: IAIA, Mother: IBIB
B Father: IAi, Mother: IBi
C Father: IAIA, Mother: IBi
D Father: IAi, Mother: IBIB
NEET Biology
In the ABO blood grouping system, the gene Iᴬ and Iᴮ are co-dominant. If a person has blood group AB, which of the following is correct?
A Only Iᴬ is expressed; Iᴮ is silent
B Both Iᴬ and Iᴮ are expressed equally, producing both A and B antigens
C Iᴬ and Iᴮ produce a new antigen C
D I is dominant over both Iᴬ and Iᴮ

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