Agriculture facts Questions & Answers
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Agriculture facts
| Questions | Answers | |
| 1 | Bordeaux mixture consists of? | Copper Sulphate + Calcium Hydroxide |
| 2 | Bt-Cotton is a GM crop having? | Insecticidal gene |
| 3 | Cation Ladder theory of active absorption in plants was postulated by? | Middleton & Russel |
| 4 | The mineral constituent of the cell wall is? | Calcium |
| 5 | In roots active uptake of minerals mainly depends upon? | Availability of oxygen |
| 6 | Ion carriers are located in? | Cell membrane |
| 7 | Uptake of nitrogen from soil, by most plants takes place in the form of? | Nitrate |
| 8 | Role of carrier protein is in? AgriExam.Com | Active Transport |
| 9 | Diffusion of mineral ion into the root cells of plants is known as?? | Passive absorption |
| 10 | The formula for ‘balanced salt solution of mineral elements’ for plant growth was given by | Knop |
| 11 | According to stiles and kidd (1919), the ratio of internal concentration to the external concentration anion is known as? | Absorption ratio |
| 12 | Prevention of entry of one ion by another when two are present in almost equal concentration is known as? | Competition |
| 13 | In the absence of Ca, absorption of K & Br is reduced in a plant while the same increases in the presence of Ca. This phenomenon is called? | Antagonism |
| 14 | The father of plant physiology is? | Stephan Hales |
| 15 | Technique of growing plants without soil is known as? | Hydroponics |
Agriculture facts
| Questions | Answers | |
| 16 | Uptake of zinc by plants took place in the form of? | Zn++ |
| 17 | In which form are the inorganic nutrients are present in the soil? AgriExam.com | Electrically charged ion |
| 18 | During photosynthesis, bulk fixation of carbon takes place in? | Oceans |
| 19 | Photolysis of water is linked with? | PS-I |
| 20 | During photosynthesis, the light reaction takes place in? | Thylakoids |
| 21 | C4 Pathway for CO2 fixation was 1st reported by? | Hatch & Slack |
| 22 | The chief source of sugar in most parts of world is? | Sugarcane |
| 23 | Which pulses is a rich source of phosphorus along with protein? | Urdbean |
| 24 | Which is the second most important pulses crop of India that is grown in the kharif season? | Arhar |
| 25 | Central sugarcane breeding research Institute is located at? | Lucknow |
| 26 | A crop that cannot survive in wild and depend completely on human beings for its survival is/are called? |
Pampered corn |
| 27 | World’s major food crops belong to which family? | Gramineae |
| 28 | Which variety of wheat is mainly used for preparing pasta and noodles? | T.durum |
| 29 | Canvas is made from which of the? AgriExam.com | Sunnhemp |
| 30 | During biological process of weathering of rocks which increases the amount of available nutrient at the rock’s surface by photosynthesis? | Lichens |
Agriculture facts
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