A chemical which causes plant does it called __________________?

Related Mcqs:

1. The pest which causes no significant damage but due to unjudious use of chemical they cause significant loss is called ?

   A. Secondary pest
   B. Key pest
   C. Occasional pest
   D. Migrant pest

2. A chemical which inhibits clotting mechanisms of the blood is called __________________?

   A. Chronic poisoning
   B. Bait
   C. Defoliant
   D. Acute poisoning

3. Any organism which harms or causes damage to man directly or indirectly is called ?

   A. Inset pest
   B. Pest
   C. Agricultural Insect
   D. None of the above

4. Any organism which harm or causes damage man directly or indirectly called as________________?

   A. Insect
   B. Insect pest
   C. Pest
   D. none of the above

5. An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?

   A. Key pest
   B. Secondary pest
   C. Occasional pest
   D. Migrant pest

6. Volatile chemical which exist in the gaseous state in sufficient concentration to be lethal for a given pest is called ?

   A. Fumigant
   B. Arsenicals pesticide
   C. Pyrethorid
   D. carbamate

7. An abnormal proliferation of plant cells resulting from outside stimulus (Insect, a fungal growth, a mite) is called ?

   A. Gall
   B. Boring
   C. Malformation
   D. Malnutrition

8. Insects feed on one type of food are called __________________?

   A. Monophagous
   B. Polyphagous
   C. Omnivorous insects
   D. Carnivorous insects

9. The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called_______________?

   A. Insect pest
   B. Pest
   C. Economic pest
   D. Sub economic pest

10. A chemical or secretions which are thrown outside the body for transmitting message to the individual of same species is_________________?

    A. Hormone
    B. Pheromone
    C. Juvinile Hormone
    D. Ecdysone