EASY
Earn 100

Name some agricultural pests.

Important Questions on Production of Food from Plants

MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Define bio-predators and their role.
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Write a note on the use of fungi as a biopesticide.
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
What are biopesticides?
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Choose the crop disease.
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

Crop plants may be attacked by pests which affect the crop production. Fungi are such type of pests which cause diseases like

MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

What are used to protect plants from various pests?

MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Explain what is bio-repellent.
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Why is weeding necessary?
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Write a short note in Biopesticides.
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
The agrochemicals have enriched crop production but not water. Why?
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
List some plant diseases.
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Read the given statements and select the correct option.
Statement 1: Pheromones are used as biological method to control pest.
Statement 2: Statement 2: Pheromones lure adult male insects into special traps and prevent them from breeding.
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
How can you protect your crops from pests?
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Define biopesticides and write its types.
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

Write the quadrants in which the following points lie:

-4,7

MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

Complete the following table of harmful effect of synthetic substances on living organisms.

Synthetic substance Living being affected directly  Harmful effect
DDT, methyl parathion pentachlorophenol    
Aldrin, Heptachlor    

 

EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Cotyledons are also called-
EASY
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing
Insecticides kill
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

Match the following.

Column I Column II
1. Bio-pesticide a. Neem leaves
2. Bio-predators b. Bacillus thuringiensis
3. Bio-fertilizer c. Control whiteflies
4. Bio-indicators d. Improve soil fertility
5. Bio-repellants e. Quality of environment
MEDIUM
Science>Biology>Production of Food from Plants>Agricultural Practices from Sowing to Storing

Given below is a list of few chemicals that are used for protection of crops
(i) Dalapon
(ii) Butachlor
(iii) Malathion
(iv) Simazine
(v) Disyston
(vi) Gammexane
How many of these are used as insecticides?