Page 1 :
GENETICS TEST BEST OF LUCK BY PEEYUSH, , , , Q.1 Who first proved that herdity is controlled, by, , nucleus not by cytoplasm , (1) Hershay and chase, , (2) Strassburger, , (3) Hammerling (4) Mendel, , Q.2 Mendelism is genetics of (1) Haploids (2) Diploids, (3) Prokaryotes (4) All the above, , Q.3 Which technique is used by Mendel for, hybridisation , (1) Emasculation (2) Bagging, , (3) Protoplast fusion (4) 1 & 2 both, , Q.4 The word &iGeneticsii coined by (1) Mendel (2) Johannsen, (3) Bateson (4) morgan
Page 2 :
Q.5 Dihybrid plants form how many types of, pollen ., , grains , (1) One (2) Two, , (3) Four (4) Eight, , Q.6 When flowers are unisexual then, emasculation, , is done in , (1) Female (2) male, , (3) 1 & 2 both (4) None of these, , Q.7 How many plants are dihybrid in F2, generation, , of dihybrid cross , (1) One (2) Two , (3) Four (4) Sixteen
Page 3 :
Q.8 Mendelis conclusion first published in (1) Journal of plants breeding, , (2) journal of genetics & plant breeding, , (3) Nature forschender verein, , (4) None, , Q.9 When a plant have two alleles of, contrasting, , characters it is called , (1) Homozygous (2) Dioecious, , (3) Heterozygous (4) Monoeious, , Q.10 Phenotypic ratio 3:1 proves (1) linkage, , (2) Segregation, , (3) Crossing-over, , (4) Indepenent assortment |
Page 4 :
Q.11 What is the ratio of one pair of, contrasting, , characters in F2 of a dihybrid cross (1) 5:3 (2) 3:1, , (3) 9:3:3:1 (4) 1:2:2:4:1:2:1:2:1, , Q.12 What is ratio of homozygous and, heterozygous, , individuals in F2 of a monohybrid Cross (1) 1:1 (2) 3:1, , (3) 2:1 (4) 1:2, , Q.13 What is ratio of homozygous plants for, both, , dominant characters in F2 of a dihybrid cross(1) 1/16 (2) 3/16, , (3) 4/16 (4) 9/16 ©
Page 5 :
Q.14 Which is Mendelian ratio ees ie hee, (3) 1:1 (4) 4:9:3:3:1, , Q.15 Which of the following is significance of, dominance , (1) Organisms with dominant genes are more, Weak, , (2) Harmful mutations are not expresed due, to, , dominant gene, , (3) Homozygous is due to dominant gene, , (4) All the above, , Q.16 An offspring of two homozygous parents, differing from one another by alleles at only, one gene locus is known as , (1) Back cross (2) Monohybrid, , (3) Dihybrid (4) Trihybrid
