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Botany Mcqs :: All Aptitude Test ::

Home » GAT Subject » Botany Mcqs » Aptitude Test - 7
1.In which rust pustules are arranged in end-to-end manner and forming strip?
A. Yellow rust
B. Orange rust
C. Black rust
D. Yellow rust
2.Anthracnose of Grape is also known as:
A. Bird's-eye disease
B. Buck eye rot
C. Black spot
D. Bird's-eye disease
3.Yellow pigment in the culture is produced by:
A. Pseudomonas
B. Xanthomononas
C. Erwinia
D. Pseudomonas
4.Irish famine was caused due to:
A. Wheat rust
B. Apple scab
C. Late blight of potato
D. Wheat rust
5.Late blight of potato is caused by:
A. Alternaria solani
B. Xanthomonas campestris pv. Citrii
C. Phytophthora infestans
D. Alternaria solani
6. Leaf roll of potato is caused by:
A. Fungus
B. Bacterium
C. Virus
D. Fungus
7.Leaf roll of potato is transmitted by:
A. M. persicae
B. M. pseudosolani
C. M. circumflexum
D. M. persicae
8.Levillula is a:
A. Ectoparasitic
B. Endoparasitic
C. Both (a) & (b)
D. Ectoparasitic
9. In open timbering, the poling boards are retained in position by using:
A. puncheons
B. struts
C. lacings
D. puncheons
10.Setting-out lines for walls which divide semidetached houses are derived from:
A. return profiles
B. gauge staffs
C. single profiles
D. return profiles
11. Curing of concrete is achieved by providing:
A. cold surface conditions
B. constant hot air
C. intermittent surface heat
D. cold surface conditions
12. Stabilising a bricklayer's line in windy conditions is carried out by using:
A. line pins
B. corner blocks
C. heavy lines
D. line pins
13.The area of a brick which surrounds the frog is termed the:
A. margin
B. stretcher face
C. arris
D. margin
14.In tanking construction the cement mortar fill Is used to:
A. increase the wall strength
B. prevent water penetration
C. strengthen the protective wall
D. increase the wall strength
15.The type of aggregate used for the manufacture of lightweight concrete blocks is:
A. crushed sandstone
B. pulverised fuel ash
C. granite chippings
D. crushed sandstone
16.Hatching is a method which is used to indicate:
A. materials
B. volume
C. density
D. materials
17.To prevent the occurrence of dry rot below hollow timber ground floors, it is necessary to:
A. ensure all d.p.c.s are correctly placed
B. use only well-seasoned timber
C. put a damp-proof membrane below the oversite concrete
D. ensure all d.p.c.s are correctly placed
18.Plasticisers used in mortars increase:
A. strength
B. density
C. adhesion
D. strength
19.A disadvantage with clayey subsoils is that in long periods of dry weather they tend to:
A. lift
B. shrink
C. explode
D. lift
20.The type of material suitable for a flexible d.p.c. is:
A. blue slate
B. bituminous felt
C. engineering bricks
D. blue slate
21. Honeycombs in sleeper walls:
A. improve speed of construction
B. increase underfloor warmth
C. provide underfloor ventilation
D. improve speed of construction
22.The use of wall plates on the top of sleeper walls is to:
A. provide equal distribution of load
B. increase the floor strength
C. reduce. the number of floor joists
D. provide equal distribution of load
23.The maximum thickness for hardcore when used below oversite concrete is normally:
A. 300 mm
B. 500 mm
C. 400 mm
D. 300 mm
24.. Backfilling and compaction of trenches should be carried out in layers of:
A. 150 mm
B. 200 mm
C. 300 mm
D. 150 mm
25. The first reading taken from an instrument position is termed the:
A. foresight
B. datum sight
C. intermediate sight
D. foresight
26. A d.p.c. placed under a stone sill should extend on each side of the sill at least:
A. 75 mm
B. 100 mm
C. 150 mm
D. 75 mm
27. Sand-lime bricks are hardened by:
A. steaming in an autoclave
B. firing in a continuous kiln
C. the addition of Portland cement
D. steaming in an autoclave
28. Before a foundation may be concreted, the natural foundation must be inspected by the:
A. clerk of works
B. factory inspector
C. safety officer
D. clerk of works
29. I n order to qualify for the weekly tool allowance, a bricklayer may be expected to provide:
A. bevel, square, dividers, carborundum stone
B. dividers, square, boat level, jointer
C. bevel, square, corner blocks, line level
D. bevel, square, dividers, carborundum stone
30. Intermediate level points between two previously established levels can be determined by using:
A. boning rods
B. builder's squares
C. trammel rods
D. boning rods
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