chemicals which induce leaf fall are called____________________?

Related Mcqs:

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

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

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

   A. High aspartic acid B. Waxiness of leaves C. High silica content D. High benzol alcohol...

3. 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...

4. 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...

5. Many chemicals are added internationally during production, processing or storage 10 improve the qualities of food stiff are termed as___________________?

   A. Food adulterants B. Food additives C. Food contaminations D. All the above...

6. While handing concentrated acids. bases or other hazardous chemicals use_________________?

   A. Table B. Fume hoods C. Both a & b D. None of the above...

7. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:

   A. Insecticides—Herbicides B. Fungicides—Insecticides C. Weedicides—insecticides D. None of the above Submitted by: Shafiq Rehman...

8. Self supporting succulent plants are called____________________?

   A. Shurbs B. Off shoots C. Herbs D. Succulents...

9. The number of calories of heat required to change the temperature of one Kg of a substance is called____________________?

   A. Heat action B. Molar heat C. Specified heat D. None of the above...

10. The management of plant structure and fruiting wood is called____________________?

    A. Training B. Thinning C. Pruning D. None of the above...