Agriculture facts Daily One Liner Questions- 81

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?

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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?

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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? Sunnhemp
30 During biological process of weathering of rocks which increases the amount of available nutrient at the rock’s surface by photosynthesis? Lichens

Updated: 2018-12-21 — 9:57 am

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