Description : Potato cut tuber are used for planting during a. Autumn crop b. Spring crop c. Both of above d. None of above
Last Answer : Spring crop
Description : Farmers have reported over 50% higher yields of rice by using which of the following biofertilizer? (a) Cyanobacteria (b) legume-Rhizobium symbiosis (c) Mycorrhiza (d) Azolla pinnata
Last Answer : (d) Azolla pinnata
Description : The grain legume which is also grown as an oilseed crop is (a) Chickpea (b) Urd bean (c) Soybean (d) Lentil
Last Answer : (a) 1880
Description : In the context of India, which of the following is/ are considered to be practice(s) of eco-friendly agriculture? 1. Crop diversification 2. Legume intensification 3. Tensiometer use 4. Vertical farming Select the correct answer using the ... a) 1, 2 and 3 only b) 3 only c) 4 only d) 1, 2, 3 and 4
Last Answer : d) 1, 2, 3 and 4
Description : Continuous cropping of which legume crop cause auto allelopathy? a). Chickpea b). Alfa-alfa c). Cowpea d). Pigeonpea
Last Answer : b). Alfa-alfa
Description : Why is potato tuber considered as a stem although it is an underground plant part? -Biology
Last Answer : answer:
Description : The tuber borne disease of potato
Last Answer : Ans. Black scurf (Rhizoctonia solani)
Description : The scientific name of Potato tuber moth
Last Answer : Ans. Phthorimaea operculella
Description : Tuber for selected for potato sowing should have
Last Answer : Ans.At least 3 buds, 2.5-3 cm diameter with 25-30 gm weight.
Description : Which of the following is not a stern modification? (1) Bulb of Onion (2) Corm of Arvi (3) Tuber of Sweet-potato (4) Tuber of Potato
Last Answer : (3) Tuber of Sweet-potato Explanation: A modified stem is a part of a plant with special features developed for special functions. Modified stems can be found either above or below ground. Examples of ... ; bulbs, corms, rhizomes, tubers and tendrils. Sweet potato is an example of a tuberous root.
Description : A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green
Last Answer : (1) From brown to blueblack Explanation: Any form of starch (carbohydrate) turns blue-black when iodine solution is applied to it. This is because starch is composed of polymers of ... already mentioned. The complex of iodine stuck inside the amylose coil produces a characteristic blueblack colour.
Description : potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue-black (2) From brown to orange-red (3) From blue to pink (4) From pink to blue-green
Last Answer : (1) From brown to blueblack Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black colour.
Description : Green potato tuber is inedible due to: a. Carcinogenic b. Hardness c. Hollowness d. None of above
Last Answer : Carcinogenic
Description : Tuber initiation in potato starts after a. 7 th week b. 9 th week c. 5 th week d. 4 th week
Last Answer : 7 th week
Description : Optimum temperature for potato tuber formation is a. 20-22°C b. 25-30°C c. 22-25°C d. All of these
Last Answer : 20-22°C
Description : The edible part of potato is: a. Root b. Tuber c. Rhizome d. Corm
Last Answer : Tuber
Description : Potato tuber growth is stopped at what temperature ? (a) 40°C — 42°C (b) 30°C — 32°C (c) 35°C — 37°C (d) 38°C – 40°C
Last Answer : (b) 30°C — 32°C
Description : Damaging stage of potato tuber month is –a) Adult b) Pupa c) Larva d) All of these
Last Answer : c) Larva
Description : The “eyes” of the potato tuber are (a) root buds (b) flower buds (c) shoot buds (d) axillary buds.
Last Answer : (d) axillary buds.
Description : Which hormone breaks dormancy of potato tuber? (a) Gibberellin (b) IAA (c) ABA (d) Zeatin
Last Answer : (a) Gibberellin
Description : Herbicide which increase tuber size be sides weed control in potato a). EPTC b). Fluchloralin c). Pendimethalin d). Atrazine
Last Answer : a). EPTC
Description : A common example of stem tuber is a) Ginger b) Garlic c) Onion d) Potato
Last Answer : d) Potato
Description : Which of the following is not a stem modification ? (1) Bulb of Onion (2) Corm of Arvi (3) Tuber of Sweet-potato (4) Tuber of Potato
Last Answer : Tuber of Sweet-potato
Description : A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? (1) From brown to blue–black (2) From brown to orange–red (3) From blue to pink (4) From pink to blue–green
Last Answer : From brown to blue–black
Last Answer : From brown to blue-black
Description : .In functional allelopathy a). Toxic substances are released as such from the plants b). A precursor is released and is converted into active substances by some microorganisms c). No release of any toxic substance d). release of nitrogen from nodule of legume takes place
Last Answer : b). A precursor is released and is converted into active substances by some microorganisms
Description : Which of the following is not considered as light crop? a. Rice b. Maize c. Jowar d. Potato
Last Answer : d. Potato
Description : Which of the following is a deep rooted crop? a. Rice b. Sugarcane c. Potato d. Onion
Last Answer : b. Sugarcane
Description : Which of the following is not a seed borne disease? (a) Redrot of sugarcane (b) Potato mosaic (c) Brown leaf spot of rice (d) Black gram of cotton
Last Answer : Ans: (b)
Description : In which of the following crops Uttar Pradesh is not the largest producer in India? [UP PCS 2011] (a) Potato (b) Rice (c) Sugarcane (d) Wheat
Description : Which of the following is NOT a plantation crop? (a) Coconut (b) Potato (c) Oil Palm (d) Cashew (e) Rubber
Description : Which one of the following is the correct sequence of crop rotation with a view to increasing soil fertility? (a) Wheat, Potato, Barley, Pea (b) Potato, Wheat, Pea, Barley (c) Barley, Pea, Wheat, Potato (d) Pea, Barley, Wheat, Potato
Last Answer : Ans: (c)
Description : The crop mainly grown in hills is : (1) sweet corn (2) sweet jowar (3) sweet potato (4) sweet pea
Last Answer : (2) sweet jowar Explanation: Sweet potato may be grown either on hills or beds. Rows need to be spaced 90-120 cm apart with plants spaced 30-40 cm apart in the row. It is known in ... throughout the country. It is the second most important root crop after potato in terms of production and area.
Description : Which crop requires maximum amount of nitrogen ? (A) Potato (B) Wheat (C) Barley (D) Sugarcane
Last Answer : (D) Sugarcane
Description : Only tuber crop, which is rich in protein?
Last Answer : Ans. Colocasia
Description : An example of Tuber crop?
Last Answer : Potato
Description : Which of the following is a tropical monsoon crop? (a) Jowar (b) Chillies (c) Rice (d) Ragi
Description : Which of the following is a rabi crop? (a) Cotton (b) Mustard (c) Maize (d) Rice
Description : Which of the following is not primarily a kharif crop in India? (a) Wheat (b) Rice (c) Maize (d) Cotton
Last Answer : Ans: (a)
Description : For the cultivation of which crop is black soil moat suitable? (a) Cotton (b) Rice (c) Jute (d) Wheat
Description : In Thanjavur delta _______ crop is cultivated three times in a year. (a) Wheat (b) Rice (c) Sugarcane (d) Groundnut
Description : Which of the following is a cash crop? [CPO AC 2003] (a) Wheat (b) Millets (c) Rice (d) Rubber
Last Answer : Ans: (d)
Description : Which is a tropical food crop requiring a temperature of 270C and a rain fall more than 100 cm? (1) Wheat (2) Maize (3) Rice (4) Barley
Last Answer : (3) Rice Explanation: Rice is a major crop grown in most tropical and semi tropical regions. Rice being a tropical and subtropical plant, requires a fairly high temperature, ranging from 20° to 40°C. it requires an average temperature of about 24°C.
Description : The crop which occupies maxi-mum cultivated area in India is – (1) Rice (2) Wheat (3) Gram (4) Linseed
Last Answer : (1) Rice Explanation: India has the biggest area under rice cultivation, as it is one of the principal food crops. India is also one of the world's largest producers of white rice, accounting for 20% of all world rice production.
Description : Name the food crop which gives highest output in India. (1) Wheat (2) Jowar (3) Maize (4) Rice
Last Answer : (1) Wheat Explanation: The Green Revolution benefited wheat the most. Though the area under rice is considerably larger than land under wheat, the latter has been marked by higher productivity due to the ... and sub-stantial use of pesticides. The acreage yield has been higher in the case of wheat.
Description : With which crop has Green Revolution been associated? (1) Rice (2) Wheat (3) Pulses (4) Sugarcane
Last Answer : (2) Wheat Explanation: India is one of the main wheat producing and consuming countries of the world. After the Green Revolution in the 1970's and 1980's the production of wheat has shown a huge ... per cent of the total wheat produced (External website that opens in a new window) in the country.
Description : Which food crop in India is sown in October-November and reaped in April? (1) Coconut (2) Coffee (3) Rice (4) Wheat
Last Answer : (4) Wheat Explanation: Rabi crops refer to agricultural crops sown in winter and harvested in the summer season. The chief rabbi crops are wheat, barley, gram, pulses, linseed and mustard.
Description : Pick the odd one out based on crop season – (1) Rice (2) Wheat (3) Maize (4) Cotton
Last Answer : (2) Wheat Explanation: Rabi ( Also called Rabbi ) and Kharif are the two agricultural crops related words that have come with the Mughals in the Indian subcontinent and are widely used eversince. The ... towards the end of May in the state of Kerala during the advent of south-west monsoon season
Description : Name the crop-season in India that opens in May-June with major crops like rice and millets. (1) Rainy season (2) Rabi (3) Kharif (4) Winter season
Last Answer : (1) Rainy season Explanation: Kharif/Rainy/Monsoon crops are the crops grown in monsoon months from June to October/November. They require warm, wet weather at major period of crop growth, and also required short day length for flowering. Examples: Cotton, Rice, Jowar, bajara.