Food - 2 (Class IX)
Description: Food - 2 | |
Number of Questions: 15 | |
Created by: Shaka Gupte | |
Tags: Food - 2 Crop Variety Improvement Crop Production Management Crop Protection Organic Farming |
_______ methods are used to control weeds.
What is atrazine?
For which of the following purposes is variety improvement done?
a. Higher yield b. Desirable agronomic characteristics c. Crossing between genera
Which of the following is/are used as bio-pesticide(s)?
Which of the following crops are kharif season crops?
Which of the following is not an advantage of having shorter maturity duration of crops?
Which of the following options is a biotic factor affecting crop production?
Which of the following is a hybrid variety of rice developed in India?
Which of the following is/are not included in organic farming?
Which among the following is not a benefit of organic farming?
Which of the following is not a criterion for the selection of crops for mixed cropping?
Match the following:
a. Insecticide | 1. It is a biocidal chemical compound or biological organism used to kill or inhibit fungi or fungal spores. |
b. Weedicide | 2. It is any pesticide used to kill, deter or control insects. |
c. Fungicide | 3. It is a chemical agent that destroys unwanted plants, but not wanted ones. |
In areas with inadequate water reservoir release or canal flow, the ________ system is more rational.
________ and ________ are desirable characters for fodder crops.
Which of the following options is not a weed?