The smell in onion bulb is due to________________?

Related Mcqs:

1. The smell in onion bulb is due to__________________?

   A. bad odour of the soil
   B. Much sugar
   C. Sulphur components
   D. Fleshy leaves

2. The food in onion is stored in_________________?

   A. Root
   B. Stem
   C. leaves
   D. Scale leaves

3. Anthesis starts in onion. at__________________?

   A. 7.00 am
   B. 10.00 am
   C. 8.00 am
   D. 5.00 am

4. The food in onion is stored in___________________?

   A. Roots
   B. stems
   C. Flowers
   D. Scaly leaves

5. The storage life of fresh onion at -1 to -4ºC is____________________?

   A. 10-15 weeks
   B. 10-25 weeks
   C. 12-28 weeks
   D. 12-25 weeks

6. Genetic correlation between two variables may be due to___________________?

   A. Gene interaction
   B. Peliotropy
   C. Dominance
   D. Selection differential

7. A healthy plant not selling seed may be due to____________________?

   A. Self incompatibility
   B. Male sterility
   C. Female sterility
   D. All the above

8. Year 1900 was significant for geneticists due to__________________?

   A. Discovery of gene
   B. Principles of linkage
   C. heredity theory
   D. Rediscovery of Mendel’s

9. In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

   A. Dominant lethal genes in heterozygous individuals
   B. Dominant lethal genes in homozygous individuals
   C. Dominant epistasis
   D. None of the above

10. Heterosis results due to____________________?

    A. Dominance
    B. Overdominance
    C. Epistasis
    D. All the above