agriculture MCQs – Page 78

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

1541. What are the factors which influence the efficiency of respiration_____________________?
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A. Temperature

B. Oxygen

C. All the above

D. Substrate

1542. Species which give out long and flexible branches, the shoot to be layered is covered with soil at several places to encourage rooting at more than one point is called ___________________?
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A. Serpentine layering

B. Air layering

C. Ground layering

D. Stool layering

1543. How much of the earth surface is covered with water ___________________?
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A. 70%

B. 40%

C. 65%

D. 80%

1544. A transonic individual has chromosome number____________________?
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A. 2 n+2

B. 2 n+3

C. 2 n+1

D. 2 n-1

1545. Photosynthesis takes place in_____________________?
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A. none

B. Only leaves

C. All green parts of plants

D. Only flowers and fruits

1546. The cellular structure which always disappears during mitosis is___________________?
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A. Plastids

B. Nuclear and membrane

C. Membrane

D. Protoplasm

1547. Which feature is not found in all living beings____________________?
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A. Some triplet code for amino acids

B. Energy storage in high high energy phosphate bonds

C. Types of protein occurring in the body

D. Protein synthesis in ribosomes

1548. Some use of cytokinins in horticulture are________________?
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A. Accelerating bud growth

B. To stimulate shoot development

C. Delaying senescence

D. All the above

1549. Self supporting succulent plants are called____________________?
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A. Succulents

B. Shurbs

C. Off shoots

D. Herbs

1550. An exce4ption of Mendels law is______________________?
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A. Purity of gametes

B. Dominance

C. Liukage

D. Independent assortment

1551. In meiosis homologous chromosomes separate from each other in ______________________?
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A. Auaphase I

B. Metaphase II

C. metaphase I

D. Anaphase II

1552. When the corolla has four clawed petals inserted at right angle other is said to be_____________________?
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A. Papilliaci

B. Rosaceous

C. Cruciform

D. Tubular

1553. Storage life of lemon is____________________?
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A. 4-5 weeks

B. None of the above

C. 6 weeks

D. 7 weeks

1554. One of the following is not an advantage of genetic engineering___________________?
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A. The gene pool is maintained

B. Genetic error can be rectified

C. Microbes act as biological factories

D. Improvement of crop can take place

1555. If a plant heterozygous for tallness is selfed, f2 feneration has both tall and dwarf plants. this proves the principle of__________________?
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A. Dominance

B. Segregation

C. Incomplete dominance

D. Independent assortment

1556. Ribosomes are important because they help in __________________?
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A. Growl

B. Protein synthesis

C. Respiration

D. Movement

1557. A phenomenon of fusion of male and female gametes is known_______________?
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A. Interaction

B. All the above

C. Gamete formation

D. Fertilization

1558. The most highly advanced division in plants kingdom is____________________?
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A. Taxonomy

B. Pteridophtes

C. Tracheophyta

D. None of the above

1559. Edible part of pomegranate is____________________?
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A. Monocarp

B. juicy test

C. juicy epicure

D. juicy hairs

1560. Temperate fruits requires certain amount of chilling to flower, which one is the important temperate fruit from the following list__________________?
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A. Mango

B. All the above

C. Litchi

D. Apple

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