Explore topic-wise MCQs in Agriculture .

This section includes 365 Mcqs, each offering curated multiple-choice questions to sharpen your Agriculture knowledge and support exam preparation. Choose a topic below to get started.

101.

The experimental design which control fertility variation in one direction is known as____________________?

A. RBD
B. SPD
C. SPD
D. LSD
Answer» B. SPD
102.

The experimental design which controls fertility variation in two directions in known as_________________?

A. RBD
B. SPD
C. AD
D. LSD
Answer» E.
103.

The enzymes and pigments associated with photosynthesis are located in ___________________?

A. Leucoplast
B. Plastid
C. Chloroplast
D. Protoplast
Answer» C. Chloroplast
104.

The digestive vacuole in the animal cell are____________________?

A. Ribosomes
B. Lysosomes
C. Lysozymes
D. Dictysomes
Answer» C. Lysozymes
105.

The diameter of mitochondria is __________________?

A. 2-4 micron
B. 1-4 micron
C. 0.5-2 micron
D. 40-70 micron
Answer» D. 40-70 micron
106.

The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

A. 2 tall: 2 dwarf
B. All homozygous dwarf
C. All the heterozygous tall
D. One homozygous tall, one homozygous dwarf, two heterozygous tall
Answer» D. One homozygous tall, one homozygous dwarf, two heterozygous tall
107.

The concept of multi line varieties was developed by_________________?

A. Falconer (1960)
B. Goulden (1939)
C. Jensen (1952)
D. Johannsen (1903)
Answer» D. Johannsen (1903)
108.

The concept of disruptive was given by____________________?

A. Morgan
B. Shull and East
C. Mather
D. None of the above
Answer» D. None of the above
109.

The concept of diallel selective mating was developed by____________________?

A. brim (1966)
B. Jensen (1952)
C. Jensen (1970)
D. Russel (1978)
Answer» D. Russel (1978)
110.

The chromosome number of human race is__________________?

A. 48
B. 41
C. 44
D. 46
Answer» E.
111.

The chief function of the centro mere concerns___________________?

A. Spindle formation
B. Nucleolus formation
C. Chromosome replication
D. Chromosome movement
Answer» E.
112.

The change in chromosome number which involves the entire set of genome is known as______________?

A. Anenploidy
B. Euploidy
C. Trisomy
D. all the above
Answer» C. Trisomy
113.

The cellular structure which always disappears during mitosis is___________________?

A. Plastids
B. Protoplasm
C. Membrane
D. Nuclear and membrane
Answer» E.
114.

The cell theory was propounded by____________________?

A. Watson and Crick
B. Scheiiden and Schwann
C. Sarwin and Wallace
D. Morgan
Answer» C. Sarwin and Wallace
115.

The carrier of genetic information is __________________?

A. Protein
B. Ribosome
C. Nucleic acid
D. Carbohydrates
Answer» D. Carbohydrates
116.

The ATP formed in__________________?

A. Chloroplast
B. Mitochondna
C. Golgi bodies
D. RNA
Answer» C. Golgi bodies
117.

Rum is distilled from____________________?

A. Unmalted potatoes
B. Fermented fruit juice
C. Unmalted cereals
D. Unrefined products of sugarcane
Answer» E.
118.

RNA contains_____________________?

A. 3 carbon sugars
B. 4 carbon sugars
C. 5 carbon sugars
D. 6 carbon sugars
Answer» D. 6 carbon sugars
119.

RNA contains__________________?

A. Thymine
B. Argenine
C. Cystine
D. Uracil
Answer» E.
120.

Rice flowers have___________________?

A. Six stamens
B. Eight stamens
C. Four stamens
D. None of the above
Answer» B. Eight stamens
121.

Ribosome’s are the centers of_____________________?

A. Fat synthesis
B. Starch synthesis
C. Protein synthesis
D. Anaerobic respiration
Answer» D. Anaerobic respiration
122.

Ribosomes are important because they help in __________________?

A. Movement
B. Respiration
C. Protein synthesis
D. Growl
Answer» D. Growl
123.

Reproduction from an unfertilized egg or reproduction without fertilization may be defined as___________________?

A. Calistoga
B. Chimera
C. Clone
D. Inbreeding
Answer» D. Inbreeding
124.

RELP’s, RAPD are helpful in________________?

A. Gene sequencing
B. Gene mapping
C. Identify new genes
D. All the above
Answer» E.
125.

RELP’s, RAPD are helpful in___________________?

A. Gene sequencing
B. Gene mapping
C. Identify new gene
D. All the above
Answer» E.
126.

Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

A. Recessive
B. Incomplete dominant
C. Mutant
D. Dominant
Answer» C. Mutant
127.

Red flower pea plant is crossed with the white flowered pea plant, F1 is red; with flower color is ______________________?

A. Dominant
B. Recessive
C. Non-genetic
D. Unexpressive
Answer» C. Non-genetic
128.

Reciprocal recurrent selection is effective with___________________?

A. Incomplete
B. Complete dominance
C. Over dominance
D. All the above
Answer» E.
129.

Reciprocal recurrent selection was proposed by___________________?

A. Hays and limner (1950)
B. Constock et al (1949)
C. Allard (1955)
D. Hull (1935)
Answer» C. Allard (1955)
130.

Ratio of genotypic covariance to the phenotypic covariance is____________________?

A. Heritability (b.s)
B. Genetic gain
C. Co-heritability
D. Genetic advance
Answer» D. Genetic advance
131.

Ratio of additive variance to phenotypic variance is called___________________?

A. Heritability (broad sense)
B. Heritability (narrow sense)
C. Co-heritability
D. Genetic gain
Answer» C. Co-heritability
132.

Pure line theory was developed by_______________?

A. Thoday (1960)
B. Mather (1951)
C. Allard (1957)
D. Johannsen (1903)
Answer» E.
133.

Protoandry is found in____________________?

A. Wheat
B. Sorghum
C. Maize
D. Barley
Answer» D. Barley
134.

Protein content in barely is higher than____________________?

A. maize
B. rice
C. wheat
D. None of the above
Answer» B. rice
135.

Primitive cultivars which are selected and cultivated by farmers for many years are___________________?

A. teriary gene pool
B. Obsolete cultivars
C. Land races
D. Modern cultivars
Answer» D. Modern cultivars
136.

Presence of slight differences in identical twins support the hypothesis that___________________?

A. Single gene may produce multiple effects
B. Dominance may be incomplete
C. The environment effects the expression of genetic character
D. Genetic trails are influence by many genes
Answer» D. Genetic trails are influence by many genes
137.

Prescribed germination percentage of foundation seed of groundnut____________________?

A. 70
B. 20
C. 90
D. 95
Answer» B. 20
138.

Prepotency increase with increase in_______________?

A. Hetrozygosity
B. Homozygosity
C. Homogeneity
D. All the above
Answer» C. Homogeneity
139.

Polytene chromosomes were first observed by___________________?

A. Mendel (1810)
B. Balbiani (1881)
C. Allard (1910)
D. Baranetzky (1910)
Answer» C. Allard (1910)
140.

Polyploidy is most likely to result from ____________________?

A. Occurrence of crossing over
B. The crossing over between non homologous chromosomes
C. Occurrence of karyokinesis
D. The failure of homologous chromosomes to separate during meiosis
Answer» E.
141.

Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as___________________?

A. GMS
B. CMS
C. CGMS
D. all the above
Answer» D. all the above
142.

Plastids bring about___________________?

A. Secretion
B. Respiration
C. Excretion
D. Conversion of light energy into chemical energy
Answer» E.
143.

Plasmids are discovered by___________________?

A. Watson & Crick
B. Iscki & Sakai
C. Beadle & Tatum
D. None of the above
Answer» C. Beadle & Tatum
144.

Plants having monoecious flowers are found in____________________?

A. Maize
B. Caster
C. Colocasia
D. All the above
Answer» E.
145.

Plants can be made disease resistant by___________________?

A. Colchicines treatment
B. Heat treatment
C. Breeding with the wild variety
D. Hormone spray
Answer» D. Hormone spray
146.

Plant breeder right are operating in____________________?

A. Geneva
B. 50 meters
C. 200 meters
D. 3 meters
Answer» D. 3 meters
147.

Pedigree selection is used in____________________?

A. Self pollinated plants
B. Cross pollinated plants
C. Plant difficult to hybridized
D. For crosses at intervener level
Answer» C. Plant difficult to hybridized
148.

Parthenogenesis is most commonly seen in___________________?

A. Apple
B. Orange
C. Mango
D. Grape
Answer» E.
149.

Parthenocarpy is the production of____________________?

A. Fruit without pollination
B. Seed without fertilization
C. fruit without fertilization
D. Only seed and no fruit
Answer» D. Only seed and no fruit
150.

Out breeding leads to reproduction in____________________?

A. Heterozygosity
B. Homozygosity
C. Population mean
D. None of the above
Answer» C. Population mean