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Higher Secondary Exam - Biology Objective Questions with Answers

26 When an allele fails to express itself in presence of the other allele, the former is said to
A Recessive
B Dominant
C Codominant
D Complementary

Answer: Option [A]
27 A pair of contrasting character is termed as
A Allelomorphs
B Homozygous
C Heterozygous
D Polymorphs

Answer: Option [A]
28 The haploid condition is found in
A Amoeba
B Bacteria
C Ovum
D Zygote

Answer: Option [C]
29 The character which appears physically in an animal is
A Genotype
B Phenotype
C Heterotype
D Morphozygous

Answer: Option [B]
30 The frequency of a character is found to be increasing when
A It is dominant
B It is recessive
C It is adaptable
D It is inheritable

Answer: Option [D]


UPSC Biology Questions & Answers

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