MCQ on Bulb Crops: Multiple Choice Questions

Read MCQ on Bulb Plants. Topics: Onion, Garlic, Shallot, leek, chive, scallion and others.

Type	Multiple choice objective questions
Major subject	Olericulture
Category	Olericulture MCQ
No. of questions	20

MCQ on Bulb Plants: Onion

Question 01. A shallot can easily be differentiated from an onion because

(a). Shallots have small bulbs
(b). It forms clusters of offsets
(c). Both a and b
(d). None of the above

Also read: Olericulture (Vegetable Science) MCQ (Multiple Choice Questions)

Question 02. Which of the following species doesn’t develop bulbs?

(a). Allium canadense
(b). Allium fistulosum
(c). Allium cepa
(d). None of the above

Question 03. Tree brinjal is a cross between

(a). Allium × proliferum
(b). Allium × nigritanum 
(c). Allium × ascalonicum
(d). Allium × rubra

Question 04. Which is a wild species of onion?

(a). Allium bisceptrum
(b). Allium tricoccum
(c). Allium vineale
(d). All of the above

Question 05. What is the 2n of onion?

(a). 18
(b). 16
(c). 20
(d). 14

Question 06. What is the cause of pungency in onion?

(a). An enzymatic reaction only when tissues are damaged
(b). An enzymatic reaction when no tissue is damaged
(c). Either a or b
(d). None of the above

Question 07. Which of the following variety of onion has yield potential of 45-50 t/ha?

(a). Bhima super
(b). Bhima sweta
(c). Bhima red
(d). Bhima shubhra

Question 08. True onion seeds are obtained from

(a). From the flowers of one season old onion plants
(b). From the flowers of one season old bulbs
(c). Both a and b
(d). None of the above

Question 09. Which of the following is the native place of onion?

(a). Northern Asia
(b). Southern Asia
(c). Western Asia
(d). Central Asia

Question 10. By what name is onion also known as?

(a). King of Kitchen
(b). Queen of Kitchen
(c). Gold of kitchen
(d). Silver of kitchen

Question 11. Which is the principal cause of tip burn in onion?

(a). Mg deficiency
(b). Iron deficiency
(c). Zinc deficiency
(d). Potassium deficiency

Question 12. The twister disease is a disease of onion. In which season does this disease cause problem?

(a). Kharif
(b). Rabi
(c). Zaid
(d). All of the above

Also read: MCQ on Insect-pests of Vegetable Crops

Quiz on Bulbus Plants: Garlic

Question 13. Which of the following enzyme is present in garlic?

(a). Diallyl disulfide
(b). Diallyl trisulfide
(c). Allylpropyl disulfide
(d). All of the above

Question 14. According to Bose and Som (1993), what is the value of vitamin C in garlic?

(a). 10 mg
(b). 9 mg
(c). 13 mg
(d). 17 mg

Question 15. What is the ideal temperature for bulb development in garlic?

(a). 20-25°C
(b). 25-30°C
(c). 15-20°C
(d). None of the above

Question 16. What is the propagation method of garlic?

(a). Leaf cuttings
(b). Cloves
(c). Seeds
(d). None of the above

Question 17. What should be the weight of cloves for planting?

(a). 3.6-5.8 g
(b). 2.5-3.5 g
(c). 5.8-7.4 g
(d). None of the above

Question 18. Why is the propagation in garlic is not possible by botanical means?

(a). Most of the varieties do not bear flower under Indian conditions
(b). Some varieties bear full flower-stalk but the flowers seldom open or may wither even at bud stage, as a result, the seeds form seldom
(c). The flowers formed are morphologically abnormal and sterile
(d). All of the above

Question 19. According to the government of India, what is the size of small garlic bulbs?

(a). 3 cm
(b). 4 cm
(c). Between 2.5 and 3 cm
(d). Less than 2.5 cm but above 1 cm

Question 20. Which is not a physiological disorder of garlic?

(a). Bolting
(b). Bunching
(c). Waxy breakdown
(d). Sprouting

Also read: MCQ On Green House Cultivation

Answer Key

1.	c	6.	a
2.	b	7.	c
3.	a	8.	b
4.	d	9.	d
5.	b	10.	b

11.	d	16.	b
12.	a	17.	a
13.	d	18.	d
14.	c	19.	d
15.	a	20.	b