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Free download in PDF Mendelian Genetics Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for competitive exams like NEET, AIIMS, JIPMER etc. as well as Board exams. These short solved questions or quizzes are provided by Gkseries.
(1)
The characteristic indicated by the blackened figures is probably:
[A]
Dominant
[B]
Recessive
[C]
Non-dominant
[D]
Sex-linked recessive
(2)
What are the genotypes of the parents?
[A]
Both are homozygous dominant
[B]
Both are heterozygous dominant
[C]
Both are homozygous recessive
[D]
The male is homozygous dominant; the female is homozygous recessive
Answer: Both are heterozygous dominant
(3)
The cytoplasm of an animal cell is divided by means of:
[A]
A cleavage furrow
[B]
A cell plate
[C]
A cell membrane formed within the cytoplasm
[D]
Mitosis
Answer: A cleavage furrow
(4)
An example of alleles is:
[A]
AB and Tt
[B]
TT and Tt
[C]
T and t
[D]
X and Y
(5)
Long radishes crossed with round radishes result in all oval radishes. This type of inheritance is:
[A]
Multiple alleles
[B]
Complete dominance
[C]
Co-dominance
[D]
Incomplete dominance
(6)
In drosophila (fruit flies), eye colour is sex-linked and red eye colour is dominant to white eye colour. Which of the following are not possible in a cross between a red-eyed male and a heterozygous female?
[A]
Red-eyed male
[B]
White-eyed male
[C]
Carrier female
[D]
Homozygous white-eyed female
(7)
Genetic traits of seeds are noted as follows: L = long, l = short
W = wrinkled, w = smooth Y = yellow, y = white
R = ribbed, r = grooved
Which of the following is the genotype for a short, wrinkled, yellow, grooved seed?
[A]
llWwyyrr
[B]
LLWWyYRr
[C]
LlWwYYRr
[D]
llWwYYrr
(8)
Carriers of the colour-blindness trait include:
[A]
Men who are heterozygous for the trait
[B]
Men who are homozygous for the trait
[C]
Women who are heterozygous for the trait
[D]
Women who are homozygous for the trait
Answer: Women who are heterozygous for the trait
(9)
A strand of DNA with the sequence A A C T T G will have a complimentary strand with the following sequence:
[A]
CCAGGT
[B]
AACTTG
[C]
TTCAAG
[D]
TTGAAC
(10)
The innate tendency of offspring to resemble their parents is called
[A]
Varaition
[B]
Heridity
[C]
Inheritance
[D]
Resemblance
(11)
Mendel’s experimental material was
[A]
Pisum sativum
[B]
Lathyrus odaratus
[C]
Oryza sativa
[D]
none of the above
(12)
The physical expression or appearance of a character is called as
[A]
Morphology
[B]
Geneoype
[C]
Phenotype
[D]
Ecotype
(13)
If the genotype consists of only one type of allele. It is called
[A]
Homozygous
[B]
Hetreozygous
[C]
Momoallelic
[D]
Uniallelic
(14)
If different alleles are present in the same genotype then it is called
[A]
Homozygous
[B]
Hetreozygous
[C]
Diallelic
[D]
Polyallelic
(15)
Mendel was a
[A]
Austrian biology teacher
[B]
Austrian monk
[C]
Austrian scientist
[D]
Austrian mathematician
(16)
The number of types of gametes produced by a heterozygous individual is
[A]
1
[B]
2
[C]
3
[D]
many
(17)
During his experiments, Mendel called genes by the term
[A]
Factors
[B]
Traits
[C]
Characters
[D]
Qualities
(18)
The number of types of gametes produced by a homozygous individual is
[A]
1
[B]
2
[C]
3
[D]
many
(19)
The alternate forms of a gene is called
[A]
Recessive Character
[B]
Dominant Character
[C]
Alleles
[D]
Alternative Gene
(20)
Genotype is the
[A]
Genetic Constitution
[B]
Genetic Constitution Of The Phenotype
[C]
Trait Expressed
[D]
Expressed Genes
Answer: Genetic Constitution Of The Phenotype
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