Explore topic-wise MCQs in Central Superior Service Test (CSS).

This section includes 46 Mcqs, each offering curated multiple-choice questions to sharpen your Central Superior Service Test (CSS) knowledge and support exam preparation. Choose a topic below to get started.

1.

A combine cultivation of trees and grasses is referred to as:

A. Aqua silviculture
B. Agroforestry
C. Silvopastoral
D. Silviculture
Answer» D. Silviculture
2.

A combination of horticultural crops, field crops and tree species is called:

A. Agro-forestry
B. Silvi-pastoral system
C. Multipurpose forest tree plantation system
D. None of the above
Answer» E.
3.

A combination of many taxonomic units like soil series, phase or types is called:

A. Soil variant
B. Soil series
C. Soil complex
D. Soil association
Answer» E.
4.

A clutch used in power tiller is:

A. Single disk clutch
B. Double disk clutch
C. Dog clutch
D. Dual plate clutch
Answer» D. Dual plate clutch
5.

A cloud type that occurs in low height in the atmosphere is:

A. Stratus
B. Cumulus
C. Nimbus
D. Cumulo-nimbus
Answer» B. Cumulus
6.

A cipoletti weir has a breadth of 60 cm at its crest and head of water flowing over the crest is 30 cm, the discharge of weir will be:

A. 180 lit/sec
B. 180 lit/min
C. 186 lit/sec
D. 183 lit/min
Answer» D. 183 lit/min
7.

A chromosome, which differs either in number or in morphology between male and female of a species, is known as:

A. Autosome
B. Sex chromosome
C. Accessory chromosome
D. Homologous chromosome
Answer» C. Accessory chromosome
8.

A chemical used in the battery for reaction is:

A. Electrolyte
B. Distilled water
C. Both (a) & (b)
D. None of these
Answer» D. None of these
9.

A characteristic feature of ripening of some fruits (like banana) is a sudden increase in respiration, which is known as:

A. Anthesis
B. Photorespiration
C. Climacteric
D. Climatic
Answer» D. Climatic
10.

A character determined by a gene present on X-chromosome is called:

A. Sex linked character
B. Sex-limited character
C. Sex-influenced character
D. Hollandric character
Answer» B. Sex-limited character
11.

A character dermined by many genes and does not show discrete variation is known as:

A. Qualitative character
B. Oligogenic character
C. Quantitative character
D. Multiple-allelic character
Answer» B. Oligogenic character
12.

A cell or an organism having one chromosome pair in addition to the normal somatic compliment of the species is:

A. Monosomic
B. Nullisomic
C. Tetrasomic
D. Trisomic
Answer» D. Trisomic
13.

A capacity of centrifugal dehusker is about:

A. 450 kg/h
B. 500 kg/h
C. 550 kg/h
D. 600 kg/hr
Answer» C. 550 kg/h
14.

A bullock-drawn mower, the power transmitted to the axle is through:

A. Transport wheel
B. Star wheel
C. Gauge wheel
D. All are correct
Answer» B. Star wheel
15.

A bullock drawn implement has:

A. Higher speed and higher working capacity
B. Lower speed and lower working capacity
C. Higher speed and lower working capacity
D. Lower speed and higher working capacity
Answer» C. Higher speed and lower working capacity
16.

A bullock drawn harrows mostly have:

A. Rigid tynes
B. Flexible tynes
C. Both rigid and flexible tynes
D. None of these
Answer» B. Flexible tynes
17.

A bulk of nitrogen in nature is fixed by:

A. Symbiotic bacteria
B. Chemical industries
C. Lightning
D. Denitrifying bacteria
Answer» B. Chemical industries
18.

A brick or stone masonry linings are recommended for lining watercourses from channels where discharge is:

A. Less than 30 lit/sec
B. More than 30 lit/min
C. Only 30 lit/sec
D. None of these
Answer» B. More than 30 lit/min
19.

A boom is marked by:

A. Full employment
B. Under employment
C. Overfull employment
D. None of the above
Answer» D. None of the above
20.

A biotic community comprises:

A. Plants only
B. Animals only
C. Plants and animals
D. Plants or animals
Answer» D. Plants or animals
21.

A better of pect management depends upon:

A. The use of resistant variety
B. Interlacing the known control methods
C. Proper agronomic practices
D. Use of pesticides
Answer» C. Proper agronomic practices
22.

A bearing used in belt conveyor is:

A. Friction
B. Antifriction
C. Bush
D. Ball
Answer» C. Bush
23.

A basal dose of phosphorus at ______ g/m2 to tobacco nursery area has been recommended:

A. 5.5 - 6.5
B. 7.5 - 8.0
C. 9.0 - 9.5
D. 10.0 - 10.5
Answer» C. 9.0 - 9.5
24.

A balanced diet is:

A. The food that is rich in vitamins
B. The food that suppliies all the essential nutrients in amounts that meet our nutritional needs
C. The food that provides the energy to maintain the body at its normal temperature
D. All of the above
Answer» C. The food that provides the energy to maintain the body at its normal temperature
25.

A bacterium is devoid of:

A. Chlorophyl
B. Well defined nucleus
C. Cell wall
D. Both (a) & (b)
Answer» C. Cell wall
26.

A = B (1-y) denotes A-value in which A is equal to:

A. Amount of available nutrients in soil
B. Amount of total nutrients in soil
C. Amount of unavailable nutrients in soil
D. None of these
Answer» B. Amount of total nutrients in soil
27.

A aquifer found between impermeable layer is:

A. Non-artsian aquifer
B. Artesian aquifer
C. Unconfined aquifer
D. Free aquifer
Answer» C. Unconfined aquifer
28.

A angle through which the Earth must turn to bring the meridian of a point directly in time with sunrays is:

A. Altitude angle
B. Zenith angle
C. Hour angle
D. Solar azimuth angle
Answer» D. Solar azimuth angle
29.

A 50 sq. m. plot is to be given an irrigation of 6 cm. depth. The total water requirement will be:

A. 300 liters
B. 3,000 liters
C. 30,000 liters
D. 3,00,000 liters
Answer» B. 3,000 liters
30.

A 3.6 to 4.5 kg dust is enough for dusting of:

A. 0.2-0.4 ha
B. 0.4-0.6 ha
C. 0.5-0.7 ha
D. 0.0-0.8 ha
Answer» C. 0.5-0.7 ha
31.

A 24-litre capacity bucket is filled in 12 seconds by the discharge of Persian wheel, then the rate of flow is:

A. 2 lit/min
B. 20 lit/min
C. 120 lit/min
D. None of these
Answer» D. None of these
32.

A 0.2 mm diameter particles are counted as:

A. Saltation particles
B. Particles of surface creep
C. Suspension particles
D. None of these
Answer» B. Particles of surface creep
33.

95 to 99.5% portion of plant tissues are made up of:

A. N, P and K
B. C, Hand O
C. Ca, Mg and C
D. None of these
Answer» C. Ca, Mg and C
34.

7-Dodecenyl acetate is sex pheromone of:

A. Dacus cucurbitae
B. Heliothis armigera
C. Dacus dorsalis
D. None of the above
Answer» E.
35.

2n denotes:

A. Number of homozygote produces by selfing a F1
B. Number of types of gametes produced by F1
C. Number of types of heterozygote produced by selling F1
D. None of the above
Answer» C. Number of types of heterozygote produced by selling F1
36.

2n + 1 state is refered to as:

A. Monosomy
B. Trisomy
C. Tetrasomy
D. Nullisomy
Answer» C. Tetrasomy
37.

2n - 1 is a:

A. Monosomic
B. Transonic
C. Tetrasomic
D. Alloploid
Answer» B. Transonic
38.

277 per hectare application rate of low volume sprayer is:

A. 2 litres
B. 3 litres
C. 4 litres
D. 5 litres
Answer» E.
39.

2, 4-D is the :

A. Translocated herbicicide
B. Contact herbicide
C. Contact herbicide as well as translocated herbicide
D. All of above
Answer» B. Contact herbicide
40.

2, 4-D is an important herbicide of:

A. Pulses
B. Oilseed crop
C. Small grain crop
D. Millet
Answer» D. Millet
41.

2, 4-D is a herbicide:

A. Selective
B. Non-selective
C. Contact
D. Selective and systemic
Answer» E.
42.

1.6 to 2.3 value of nutrient index indicates:

A. Average fertility of soil
B. Adequate fertility of soil
C. Both of the above
D. None of the above
Answer» B. Adequate fertility of soil
43.

11-Hexudecenal is sex pheromone of:

A. Heliothis armigera
B. Spodoptera litura
C. Trichoplusia nigra
D. None of the above
Answer» B. Spodoptera litura
44.

0.5 N, NaH CO3 (pH 8.5) is:

A. Bray No. 1 extractant
B. Bray No.2 extractant
C. Olsen extractant
D. None of these
Answer» D. None of these
45.

1 nm is equal to:

A. 10-8 cm
B. 10-9 m
C. 10-10 m
D. None of the above
Answer» C. 10-10 m
46.

0.03 N, NH4 F + 0.025 N, NCl, is called:

A. Bray No. 1 extractant
B. Olsen extractant
C. Bray No. 2 extractant
D. None of these
Answer» B. Olsen extractant