The membrane which surrounds the___________________? April 21, 2025 by admin A. Nucleus B. Chloroplast C. Vacuole D. Cutoplasm
In cereals limiting amino acids are________________? April 21, 2025 by admin A. Threonine B. Lysine C. Methionine D. a and b
In maize source of high lysine is___________________? April 21, 2025 by admin A. Opaque 2 B. Proline C. Gang as D. African tall
The term useful heterosis was first used by__________________? April 21, 2025 by admin A. Meredith and Bridge (1972) B. Richey (1914) C. Jenkins (1935) D. Hull (1950)
Top cross was first suggested by__________________? April 21, 2025 by admin A. Simmonds (1979) B. East (1908) C. Davenport (1908) D. Davis (1927)
Heterosis can be fully exploited in the form of_____________________? April 21, 2025 by admin A. Composites B. Hybrids C. Multi lines D. Synthetics
Heterosis can be fixed by___________________? April 21, 2025 by admin A. Apomixis B. Polyploidy C. Asexual reproduction D. All the above
Out breeding leads to reproduction in____________________? April 21, 2025 by admin A. Heterozygosity B. Homozygosity C. Population mean D. None of the above
Colchicum () is extracted from__________________? April 21, 2025 by admin A. Seed B. Bulb C. Fruit D. Flower
A nullisomic individual is represented by________________? April 21, 2025 by admin A. 2n-1 B. 2n+1 C. 2n-2 D. 2n+2
