Variation and Genetics in Biology topic based MCQs preparation test for all competitive exam. Variation and Genetics in Biology Chapter# 17, topic based MCQs that are mostly asked in competitive exam related to Biology. Examtry team design a series of MCQs based tests that effectively and efficiently help a student or job seeker to prepare their exam effectively and efficiently.
Examtry team design more than 40 MCQs and try their best to cover the whole topic Variation and Genetics in Biology . These MCQs based test really helpful in all competitive exams as well as institutional exams. Anyone who wants to pass job test comprising one paper or MCQs based test come on examtry.com and get prepared himself.
MCQs under the topic of Variation and Genetics in Biology covers all tests conducted by FPSC, NTS, KPSC, PPSC, SPSC, BPSC, OTS, UTS, UPS, PTS, CTS, ATS, ETEA or any other institution.
1 - In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation
Incomplete dominance.
2 - How many pairs of homologous chromosomes are present in Pisum sativum
Seven pairs
3 - Which of the following characters of pea plant is dominant?
Axial flowers
4 - A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding
All seeds will be yellow
5 - The position of a gene on chromosome is called
Locus
6 - Filial is a Latin word. It means
Progeny
7 - Which of the following condition is hybrid
Tt
8 - Which of the following is monohybrid cross
TT x tt
9 - A pure breeding tall plant was crossed to dwarf plant. What would be probability of "Tt" genotype in F2
0.5
10 - If a heterozygous individual shows the complete effect of both alleles, the type of inheritance would be
Co-Dominance
11 - The gene which controls ABO group has how many alleles in an individual
Three
12 - How many genes control Rh blood group system?
Three
13 - A man with blood group "A" marries a woman of blood group "B". Both are heterozygous. What is the off-springs having phenotype "O"
0.25
14 - The trait "Kernel colour in corn" in controlled by how many pairs of genes
Three pairs
15 - Baldness is most frequent in
Men
16 - In nature, Garden pea is
Self-fertilized
17 - The genes which do not follow law of independent assortment
Linked genes
18 - Phenotype represents
Morphology
19 - During test cross, if all offsprings are phenotypically dominant then parents are
Homozygous
20 - True breeding variety is produced by
Self fertilization
21 - Genotype ratio of Mendel's law of independent assortment is
None of these
22 - Which of the following is universal donor?
O
23 - Such inheritance in which traits vary quantitatively is
Polygenic inheritance
24 - Inheritance in man is traced by
Pedigree method
25 - Skin colour in man is controlled by
4 pairs
26 - Feature correct to O-negative blood group
Anti-A, Anti-B antibody present
27 - Which of the following blood group is always heterozygous?
AB
28 - Interaction between genes occupying different loci is
Epistasis
29 - Genes that affect growth rate in humans influencing both weight and height are
Pleiotropy
30 - All of the following are continuously varying traits except
Tongue rolling in humans
31 - The number of linkage groups in humans is
23
32 - Recombination frequency between two linked genes can be calculated by
Back cross
33 - Which of the following is male determining gene in humans?
SRY
34 - It was discovered by J.Seiler in 1914 in moth.
ZZ-ZW
35 - Haemophilia B is due to abnormality of factor
IX
36 - Gene for blue opsin is present on chromosome.
7
37 - Most common type of Diabetes mellitus is
Type II
38 - Recombinant DNA contains DNA from
2 different sources
39 - First restriction enzyme was isolated by
Hamilton O. Smith
Pages
No comments:
Post a Comment
Your Valued Comments Help us to improve our site. Thanks