In barley, resistance to cereal leaf beetle is associated with_________________?

Related Mcqs:

1. Global gene bank of barley is located at__________________?

   A. ICARDA
   B. Florida
   C. CIP
   D. ICRISAT

2. The most commonly used leaving agents in barley are__________________?

   A. Yeast
   B. Sodium bi carbonate
   C. Sugar
   D. Both a & b

3. The term vertical resistance and horizontal resistance were first used by________________________?

   A. Van der plank (1963)
   B. Karpechenko (1927)
   C. Hull (1945)
   D. Correns (1900)

4. In wheat, example of durable insect resistance includes resistance to___________________?

   A. Green bugs
   B. Stem saw fly
   C. Hessian fly
   D. All the above

5. Which one of the following is not a cereal crop?

   A. Paddy
   B. Wheat
   C. Sorghum
   D. Maize

   Submitted by: Bahram Rahi

6. If the leaf cells have eight chromosomes it is mostly likely that__________________?

   A. Gametes will have 8 chromosomes
   B. Gametes will have 4 chromosomes
   C. Zygote will have 4 chromosomes
   D. Zygote will have 16 chromosomes

7. Plant hormones present in the apices of shoots and leaf primordials are __________________?

   A. Gibberellins
   B. Auxins
   C. Cytokinins
   D. Ethylene

8. chemicals which induce leaf fall are called____________________?

   A. Defoliant
   B. Growth regulators
   C. Herbicides
   D. Fungicides

9. Which leaf of rice is sampled for tissue nutrient analysis?

   A. Mature leaf
   B. Lower leaf
   C. Both A & B
   D. None of these

   Submitted by: Shafiq Rehman

10. The leaf without petiole is referred as__________?

    A. Petiolate
    B. Sessile
    C. Stipulate
    D. Pilose

    Submitted by: Bahram Rahi