Question 1921 Which of the following is sub-aerial modification of stem? A) Corm B) Stolon C) Thorn D) Bulb No Details
Question 1922 The attraction between two dissimilar molecules is? A) Cohesion B) Adhesion C) Surface tension D) None of the above No Details
Question 1923 The application of principles of genetics for the improvement of mankind is? A) Herdity B) Linkage C) Population genetics D) Eugenics No Details
Question 1924 Which of the following leads to the cross-pollination? A) Unisexuality B) Dichogamy C) Heterostyly D) All the above No Details
Question 1925 Which of the following material makes the protein chain? A) Carbohydrates B) Sugars C) Fatty acids D) Aminoacids No Details
Question 1926 Tetraploid potato has 48 chromosomes, whereas ordinary piploid species have _______ ? A) 34 B) 24 C) 14 D) 10 No Details
Question 1927 Superiority of heterozygote leads to? A) Fixation of recessive allele B) Fixation of dominant allele C) Maintenance of both the alleles D) Depression of inbreeding No Details
Question 1928 Sunflower is? A) Annual herb B) Biennial herb C) Perennial herb D) None of the above No Details
Question 1929 Sudden and sharp change in individual and is directly inherited by the offspring is called? A) Mutation B) Adaptation C) Heredity D) Continuous variation No Details
Question 1930 Stilt roots are produced from? A) Maint root B) Secondary roots C) Stem and branches D) None of above No Details