Agronomy MCQ For B. Sc. Students

Agronomy MCQ for B. Sc. Students: Memory Based Previous year’s Questions

Question 01. Which will be the ideal condition for high rice production?

High rainfall
Canal irrigated lands
Bright sunny days and after anthesis

Which is the right combination?

(a). 2 and 3
(b). 1 and 2
(c). 1 and 3
(d). 1, 2 and 3

Question 02. Which is a usual alternate crop in jute growing areas?

(a). Groundnut
(b). Cotton
(c). Maize
(d). Rice

Question 03. Why do pulses fit well in cropping system?

(a). Short duration crops
(b). Long duration crops
(c). Disease resistant crops
(d). Moisture stress resistant crops

Question 04. As per principle of crop rotation pulses should be included in rotation because

(a). They increase total pulse production
(b). Thy release land quickly for the second crop
(c). They help in maintenance of soil fertility
(d). All of the above

Question 05. Which one of the following is not correctly matched?

(a). Relay cropping: Sowing pulse in rice crop prior to harvest
(b). Inter cropping: Wheat after rice
(c). Multi-tier cropping: Coconut – Peper – Cacao – Pineapple
(d). Sole cropping: Potato

Question 06. Low quality of jute fibre is attributed to

Discolouration of fibre
Very short fibre strands
Reduction of cellulose in fibre
Reduction of cell wall strength

(a). 3 and 4
(b). 1 and 3
(c). 1 and 4
(d). 1 and 2

Question 07. Which one of the following occupies the highest volume percent in a fine sandy loam surface soil in good condition for plant growth?

(a). Organic matter
(b). Pore space which includes air/water
(c). Mineral matter
(d). Others including macro and micro flora and fauna

Question 08. What is the latest botanical name of green gram?

(a). Vigna radiata L wilezek
(b). Vigna mungo L Kepper
(c). Phaseolus mungo L
(d). Phaseolus vulgaris L

Question 09. Consider the following statement

Puddling of soil for transplanting paddy is done to:

Control weeds
Reduce rate of infiltration
Improve soil structure
Increase aeration

(a). 1, 2, 3 and 4 are correct
(b). 2 and 4 are correct
(c). 1 and 2 are correct
(d). 1, 3 and 4 are correct

Question 10. Match list I with list II (optimum time of sowing in North India) and select the correct answer using the codes given below the lists:

First fortnight of November
Second fortnight of October
Whole of the month of May
First fortnight of July

(a). A-3, B-1, C-4, D-2
(b). A-3, B-1, C-2, D-4
(c). A-1, B-3, C-2, D-4
(d). A-1, B-3, C-4, D-2

Question 11. Match list I with list II (weed specific to the crop) and select the correct answer using the codes given below the lists:

(a). A-2, B-3, C-1, D-4
(b). A-1, B-2, C-4, D-3
(c). A-1, B-3, C-2, D-4
(d). A-2, B-4, C-1, D-3

Question 12. Consider the following crops:


The correct sequence of sowing these crops in a cropping sequence planned under irrigated conditions for north-western plains of India would be:

(a). 4, 3, 1, 2
(b). 4, 3, 2, 1
(c). 3, 4, 1, 2
(d). 3, 4, 2, 1

Question 13. Which one of the following is a pair of pre-emergence herbicides?

(a). Paraquat and butachlor
(b). 2,4-D and thiobencarb
(c). Dalapon and triazine
(d). Fluchloralin and Pendimethalin

Question 14. Why is the irrigation efficiency very low in irrigated farming in India?

(a). Large irrigation area is under canal irrigation
(b). A major part of the soil types is not suitable for irrigation
(c). Of the poor quality of irrigation water
(d). Of the adverse climactic conditions

Question 15. Which one of the following irrigation methods is best suited for an undulating topography?

(a). Flow irrigation
(b). Check basin method
(c). Sprinkler irrigation
(d). Furrow irrigation

Question 16. The crops suitable for cultivation in saline sodic soil woul include

(a). Soybean and rice
(b). Soybean and sugarbeet
(c). Sugarbeet and rice
(d). Rice and maize

Question 17. Why do rice crop tolerates submergence?

(a). The plant does not need oxygen
(b). The plant has mechanism to transport oxygen through leaves
(c). Bacteria keep the rhizosphere oxidised
(d). Oxygen penetrating to root zone through air movement is sufficient

Question 18. The following operations are practised in the cultivation of tobacco


Which will be the correct sequence of these operations in the field?

(a). 3, 2, 1
(b). 3, 1, 2
(c). 2, 3, 1
(d). 2, 1, 3

Question 19. Match list I (common name of weeds) with list II (their scientific name) and select the correct answer using the codes given below list:

(a). A-1, B-3, C-4, D-2
(b). A-2, B-3, C-4, D-1
(c). A-2, B-4, C-3, D-1
(d). A-1, B-4, C-3, D-2

Question 20. If a farmer practices Sugarcane – Cotton – Wheat, then what will be the cropping intensity at his farm?

(a). 100%
(b). 150%
(c). 200%
(d). 300%