You are currently viewing BHU PG Agriculture Entrance exam Solved Question paper 2020

BHU PG Agriculture Entrance exam Solved Question paper 2020

Bhu Pre-PG Old Question Paper 2020

1. Which one of the following is an example of a fungal biocontrol agent effective against soil-borne fungal pathogens?

(1) Trichoderma harzianum
(2) Bacillus subtillis
(3) Pseudomonas flurescens
(4) Arthrobotrys oligospora

Trichoderma harzianum

2. The method of transmission of loose smut of wheat pathogen is?

(1) Externally seed borne
(2) Internally seed borne
(3) Soil borne
(4) Air borne

Internally seed borne

3. Name the structure of pathogen of late blight of potato responsible for survival of the disease in plains of India?

(1) Oospore present in soil
(2) Sporangia present in plant debris
(3) Mycellium present in plant debris
(4) Dormant hyphae present in tubers stored in cold storage

Dormant hyphae present in tubers stored in cold storage

4. The teliospores of Puccina graminis tritici is?

(1) Unicellular
(2) Two celled
(3) Three celled
(4) Multi celled

Two celled

5. Fruit having feet in water and head in fire?

(1) Fig
(2) Water chestnut
(3) Datepalm
(4) Walnut

Datepalm

6. The botanical form of kiwi is?

(1) Drupe
(2) Berry
(3) Pome
(4) Nut

Berry

7. Bishop is a variety of?

(1) Apple
(2) Mango
(3) Coconut
(4) Citrus

Apple

8. Granulation is serious problem in?

(1) Strawberry
(2) Grape
(3) Mango
(4) Citrus

Citrus

9. Ultra dwarf rootstock of apple is?

(1) M-9
(2) M-27
(3) MM-106
(4) MM-111

M-27

10. Vigna unguiculata is the botanical name of?

(1) Cowpea
(2) French bean
(3) Cluster bean
(4) Garden pea

Cowpea

11. A breeding method in self-pollinated crops where many desirable plants of similar phenotypes are selected and their seeds are mixed to constitute the new variety is known as?

(1) Pure line selection
(2) Mass selection
(3) Pedigree selection
(4) Backcross selection

Mass selection

12. The recurrent selection method most suitable for improvement of two populations simultaneously for hybrid development is?

(1) Simple recurrent selection
(2) Reciprocal recurrent selection
(3) Recurrent selection for GCA
(4) Recurrent selection for SCA

Reciprocal recurrent selection

13. Okazaki fragments referred to?

(1) Short DNA sequence synthesized on lagging stand
(2) Short DNA sequence synthesized on leading stand
(3) Short RNA sequence synthesized on lagging stand
(4) Short RNA sequence synthesized on leading stand

Short DNA sequence synthesized on lagging stand

14. How many phenotypes class is possible in F2 if two genes expressing co-dominance in F1 segregating independently?

(1) 3
(2) 9
(3) 4
(4) 16

9

15. The concept of multiline varieties was given by?

(1) Jensen, 1952
(2) M.S. Swaminathan, 1967
(3) Barbara Maclintok, 1980
(4) Hugo de Veries, 1901

Jensen, 1952

16. Which one of the following true about orientation of two stands of DNA?

(1) Parallel to each other
(2) Anti-parallel to each other
(3) Circular to each other
(4) Perpendicular to each other

Anti-parallel to each other โ€‹

17. If amount of guanine base is 35 % in a DNA, what will be amount of adenine base?

(1) 35 %
(2) 70%
(3) 15%
(4) 30 %

15% โ€‹โ€‹

18. In molecular assisted backcross breeding the background selection refers to?

(1) Introgression of donor gene
(2) Introgression of alien gene
(3) Sequencing of target gene
(4) Recovery of receptor genome

Recovery of receptor genome โ€‹โ€‹

19. Identify the plant which belongs to Crassulacean acid metabolism?

(1) Sunflower
(2) Ipomea
(3) Pineapple
(4) Citrus

Pineapple โ€‹โ€‹

20. What is the absorption peak of phytochrome Pfr?

(1) 580 nm
(2) 660 nm
(3) 700 nm
(4) 730 nm

730 nm โ€‹โ€‹

21. Mustard sawfly lays egg on?

(1) Soil
(2) Petiole
(3) Flower Buds
(4) Leaf margins

Leaf margins โ€‹โ€‹

22. Indian grain storage research & training institute was established in?

(1) 1956
(2) 1958
(3) 1960
(4) 1962

1958 โ€‹โ€‹

23. Rearing of stingless bee is known as?

(1) Bee culture
(2) Apiculture
(3) Melliponiculture
(4) Iridiculture

Melliponiculture โ€‹โ€‹

24. Fossorial legs are found in?
(1) Mole cricket
(2) House cricket
(3) Springtail
(4) Fire brats

Mole cricket โ€‹โ€‹

25. Litchi erineum mite belongs to the family?
(1) Tetranychidae
(2) Eriophyidae
(3) Tenupalpide
(4) Bdellidae

Eriophyidae โ€‹โ€‹

26. Vector of little leaf of brinjal is?
(1) Mite
(2) Plant Hopper
(3) Aphid
(4) Leaf Hopper

Leaf Hopper โ€‹โ€‹

27. Which one the following is not an acaricide?
(1) Dicofol
(2) Spiromessifen
(3) Fenbulatin oxide
(4) Acctamiprid

Acctamiprid โ€‹โ€‹

28. Pollu beetle is a major pest of?
(1) Pepper
(2) Cardamom
(3) Turmeric
(4) Ginger

Pepper โ€‹โ€‹

29. โ€œTโ€ Shaped marking on marble-sized mango fruits is a symptom produced by?
(1) Nut weevil
(2) Fruit fly
(3) Fruit borer
(4) Midge

Nut weevil โ€‹โ€‹

30. Which one the following orders have sponging type of mouths parts?
(1) Coleoptera
(2) Lepidoptera
(3) Trichoptera
(4) Diptera

Diptera โ€‹โ€‹

31. Fenoxycarb is a?
(1) Juvenile hormone Analogue
(2) Ecdysteroid
(3) Chitin synthesis inhibitor
(4) Nicotinoid

Juvenile hormone Analogue โ€‹โ€‹

32. Cochineal insect produces crimson colour dye, which is?
(1) Formic acid
(2) Carminic acid
(3) Lipophorim
(4) Lauric acid

Carminic acid โ€‹โ€‹

33. Which one of the following is a rust disease-causing fungal genus?
(1) Sclerospora
(2) Uncinula
(3) Uromyces
(4) Ascochyta

Uromyces โ€‹โ€‹

34. The common symptoms caused by phytoplasma infection is?
(1) Blight
(2) Enation
(3) Wilt
(4) Phyllody

Phyllody โ€‹โ€‹

35. Who established Phytophthora infestans as the causal agent of late blight of potato?
(1) Anton de bary
(2) T.J. Burril
(3) Louis Pasteur
(4) Anton van Leeuwenhoek

Anton de bary โ€‹โ€‹

36. Which one of the following fungicides is systematic in nature?
(1) Captan
(2) Carbendazim
(3) Dithane-M 45
(4) Thiram

Carbendazim โ€‹โ€‹

37. Which one of the following pathogens produces Zoospores?
(1) Pythium aphanidermatum
(2) Rhizictonia solani
(3) Botrytis cinerea
(4) Phoma lingum

Pythium aphanidermatum โ€‹โ€‹

38. Bacterial wilt of Solaneceous crop is caused by?
(1) Xanthomonas campertris pv. Campetris
(2) Erwinia carotovora
(3) Pectobacterium atrosepticum
(4) Ralstonia solanacearum

Ralstonia solanacearum โ€‹โ€‹

39. Rice Tungro bacilliform virus is transmitted by?
(1) Green leaf hopper
(2) Aphid
(3) Nematode
(4) White fly

Green leaf hopper โ€‹โ€‹

40. Panama wilt of banana is caused by?
(1) Fusarium oxysporum f. sp. ciceris
(2) Fusarium oxysporum f. sp. cubense
(3) Fusarium udom
(4) Fusarium oxysporum f. sp. Lycopersici

Fusarium oxysporum f. sp. cubense โ€‹โ€‹