White rust of crucifers is caused by__________________?

Related Mcqs:

1. The my co toxins are poisonous substance produced by__________________?

   A. Bacteria
   B. Plants
   C. Fungi
   D. None of the above

2. Lathyrism is nervous disease caused by____________________?

   A. Consumption of high carbohydrate foods
   B. Low protein foods
   C. Consumption of matter over longer periods
   D. All the above

3. Stalk root of onion is caused by________________?

   A. Fungi
   B. Bacteria
   C. Nematodes
   D. Gassicls

4. Collar rot in chilies is caused by___________________?

   A. Rhizowhtnia solani
   B. phytophilorea infesta
   C. phytophithoua spri
   D. phytophytora cupri

5. Root knot disease is caused by___________________?

   A. Fungi
   B. Nematodes
   C. Virus
   D. Bacteria

6. Erysiphe caused the _________ disease?

   A. Powdery mildews
   B. Downy mildews
   C. Covered smut
   D. Late blight of potato

   Submitted by: hafsa

7. Viral disease can be controlled by __________________?

   A. Fungicides
   B. Cultural practices
   C. Cultural practices and growing resistant varieties
   D. Can not be controlled

8. Which one of the following is polyphagus insect__________________?

   A. American boll worm
   B. Whitefly
   C. Aphids
   D. A

9. The Tree sends down roots from its branches to the soil is known as:___________?

   A. Oak
   B. Pine
   C. Banyan
   D. Palm

   Submitted by: Fahad Mehsud

10. ____________ converts ammonia into nitrite?

    A. Nitrosomonas
    B. Nitrobacter
    C. Azotobacter
    D. Rhizobium

    Submitted by: hafsa