e course

OKRA :: MINOR :: QUESTIONS

 


 

Questions


1.

Destructive stage of pumpkin beetle  is ----------------

 

  1. Grub
  1. Adult

 

  1. Both grub  and adult

      d. None of the above

2.

Site of pupation  for fruit fly is --------------

 

  1. Soil  
  1. In between leaf

 

  1. On fruit

      d. Within fruit

3.

Pumpkin beetle belongs to family

 

  1. Galerucidae
  1. Melolonthidae

 

  1. Curculionidae

      d. Meloidae

4.

-------------  caterpillar cuts the edges of leaf lamina, folds it over the leaf and feeds from within leaf roll on cucurbit  Leaf caterpillar

5.

-------------trap used for attract the  fruit fly    -   Methyl eugenol

6.

------------- lure used  for controlling  of fruit fly  on cucurbit  -Cucurbitacine

7.

Scientific name of red pumpkin beetle is -------------------- Aulacophora foveicollis

8.

Larvae  make  mine on leaves  and drying and dropping of leaves is seen due to severe infestation of ------------------  Serpentine leaf miner

9.

In cucurbits, DDT, lindane 1.3 D, copper oxychloride, Bordeaux mixture and sulphur dust should not be used as these are highly phytotoxic-  Say is True or false

10.

Oozing of brown, resinous fluid from fruits and the fruits become distorted and malformed is due to attack of ------------  on cucurbit-  Fruit fly

11.

-------------   bore into stem causing gall-like swellings in the stem, near the base.  Stem weevil

12.

Yellow vein mosaic virus is transmitted by  --------------- Bemisia tabaci

13.

Yellowing of leaves followed by crinkling and downward curling leading to bronzing leading to typical “hopper burn” symptoms is due to attack of  ----------------  Leaf hopper

14.

40 days old American tall marigold and 25 days old tomato seedling are grown simultaneously in 1:10 rows to attract ---------------   adults for egg laying – Helicoverpa armigera

15.

Larva of ----------------- bores into tender terminal shoots in the vegetative stage and flower buds, flowers and young fruits in the fruit formation stage.  Shoot and fruit borer