Examsnet
Unconfined exams practice
Home
Exams
Banking Entrance Exams
CUET Exam Papers
Defence Exams
Engineering Exams
Finance Entrance Exams
GATE Exam Practice
Insurance Exams
International Exams
JEE Exams
LAW Entrance Exams
MBA Entrance Exams
MCA Entrance Exams
Medical Entrance Exams
Other Entrance Exams
Police Exams
Public Service Commission (PSC)
RRB Entrance Exams
SSC Exams
State Govt Exams
Subjectwise Practice
Teacher Exams
SET Exams(State Eligibility Test)
UPSC Entrance Exams
Aptitude
Algebra and Higher Mathematics
Arithmetic
Commercial Mathematics
Data Based Mathematics
Geometry and Mensuration
Number System and Numeracy
Problem Solving
Board Exams
Andhra
Bihar
CBSE
Gujarat
Haryana
ICSE
Jammu and Kashmir
Karnataka
Kerala
Madhya Pradesh
Maharashtra
Odisha
Tamil Nadu
Telangana
Uttar Pradesh
English
Competitive English
Certifications
Technical
Cloud Tech Certifications
Security Tech Certifications
Management
IT Infrastructure
More
About
Careers
Contact Us
Our Apps
Privacy
Test Index
RRB Group-D Model Paper 16 with answers for online practice
Show Para
Hide Para
Share question:
© examsnet.com
Question : 6
Total: 100
Which of the following is NOT a seed-borne disease?
Red rot of sugarcane
Sheath rot on rice
Potato mosaic
Moulting of wheat
Validate
Solution:
Potato mosaic is NOT a seed-borne disease.
It is a disease caused by a virus which affects the potato plant.
Generally, mosaic viruses that infect potatoes are transmitted by aphids.
They feed on the sap of infected plants and transmit the virus to healthy plants.
There are many different types of mosaic diseases that attack the potato crop.
Most of the time, as the name suggests, the leaves show green and dark green mosaic patterns.
The leaves may also show faint yellow patches on the leaves.
The attacked or affected plants remain stunted and sick.
The disease also affects tubers and their Size and numbers are reduced.
In some other times, the leaves may show necrosis of tissues along the vein.
© examsnet.com
Go to Question:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Prev Question
Next Question
Examsnet