Genetics MCQ: MCQ Test (25 questions)

Question 1 of 25

Genetic code is a-

ASinglet
BDoublet
CTriplet
DNone of these

Question 2 of 25

Reverse transcription was discovered by-

AWatson and Crick
BHargovind Khurana
CLemin & Baltimore
DBeadle & Tatum

Question 3 of 25

Colour-blindness is related with a defect in-

ARod cells
BCone cells
CEye muscles
DAll of these

Question 4 of 25

All offspring of a parents are not similar due to

AVariation
BVariation in environment
CBoth a and b
DNone of these

Question 5 of 25

A colour blind person marry with a normal women. Blindness is produced in their-

ASon
BDaughter
CSon of their son
DDaughter of their daughter

Question 6 of 25

Mendal worked on -

AEdible pea
BWild pea
CGarden pea
DPegion pea

Question 7 of 25

Number of autosomes in human sperm-

A20 pairs
B21 pairs
C22 pairs
D23 pairs

Question 8 of 25

Which of the following traits is NOT a part of Mendel's seven contrasting traits in Green pea ?

AYellow and green colour of seed
BTall and dwarf height of the Pea plant
CSmooth and rough stem
DTerminal and axial flower

Question 9 of 25

Insect resistant cotton plant have been genetically engineered by inserting a gene from a-

AVirus
BBacterium
CInsect
DPlant

Question 10 of 25

Mendel' s law were rediscovered by-

ACorrens
BTshermak
CDeveries
DAll of these

Question 11 of 25

Genetics deals with-

AMendel's laws
BOrganic evolution
CDNA structure
DHeredity and variation

Question 12 of 25

Genes located on mitochondrial DNA-

AGenerally show maternal inheritance
BAre always inherited from male parent
CShow hipa rental inheritance
DAre not inherited like the nuclear gene

Question 13 of 25

Which one of following is a sex linked disease ?

ALeprosy
BTuberculosis
CColour blindness
DLeukamea

Question 14 of 25

Gene is :

AParticular DNA segment which determines heredity of a particular trait
BHalf DNA segment of somatic cells
CWhole DNA
DHalf DNA segment

Question 15 of 25

Hybridoma technology is a new biotechnological approach for commercial production of-

AMonoclonal antibodies
BInterferon
CAntibiotics
DAlcohol

Question 16 of 25

Double helix model of DNA is given by-

ALecuwenhoek
BSalach
CWatson and Crick
DDalton

Question 17 of 25

In May 2019, scientists from Council of Scientific & Industrial Research's (CSIR)-Centre for Cellular and Molecular Biology in Hyderabad, for the first time, sequenced the entire genome of_______.

ANilgiri Tahr
BAsiatic Lion
CLion-tailed Macaque
DElephant

Question 18 of 25

Transmission of characters from one generation to next is called-

AEvolution
BHeredity
CGenetics
DMutation

Question 19 of 25

Deploid number of chromosome in man is-

A23
B24
C46
DIndefinite number

Question 20 of 25

Which one of following is a hereditary disease ?

ACataract
BHaemophilia
CPellagra
DOsteoporosisi

Question 21 of 25

Sex chromosome in human male are named-

AXX
BXO
CXY
DNone

Question 22 of 25

DNA fingerprinting is a technique used for the detection of -

AAlzheimer's disease
BDisputed parentage
CAIDS
DYellow fever

Question 23 of 25

Which one among the following is not correct about Down's Syndrome ?

AIt is a genetic disorder
BEffected individual has early ageing
CEffected person has mental retardation
DEffected person has furrowed tongue

Question 24 of 25

When one gene controls two or more different characters simultaneously, the phenomena is called-

AApomixis
BPleiotropy
CPalyploidy
DPalyteny

Question 25 of 25

Process in which part of a DNA bacterial cell is transferred to another through virus is-

AReproduction
BConjugation
CTransduction
DTransformation