1. Which of the following micro-nutrient is most widely deficient in Indian soils ?
A) Zn
B) Fe
C) B
D) Cu
2. Number of agro-climatic zones in India are :
A) 5
B) 15
C) 25
D) 30
3. In which state, rice is grown below sea level ?
A) Tamil Nadu
B) Andhra Pradesh
C) Karnataka
D) Kerala
4. Organic soils contain :
A) > 20% organic matter
B) < 20% organic matter
C) > 30% organic matter
D) < 30% organic matter
5. Time interval between irrigation is referred as :
A) Irrigation efficiency
B) Irrigation frequency
C) Irrigation scheduling
D) Irrigation potential
6. Which of the following is a principal vector of plant viruses ?
A) White fly
B) Aphid
C) Jassid
D) Leaf hopper
7. Chiasmata becomes visible during the …… stage of Prophase-I of meiosis ?
A) Leptotene
B) Diplotene
C) Pachytene
D) Zygotene
8. Pectin is basically a polymer of :
A) Amino acids
B) Gallic acid
C) D-Galactouronic acid
D) Malic acid
9. ………………… is done to obtain virus free plants.
A) Anther culture
B) Ovule culture
C) Meristem culture
D) Ovary culture
10. Which one of the following hormone increases drought tolerance ?
A) IAA
B) ABA
C) Ethylene
D) GA₃
11. Which one of the following seed requires moisture for viability ?
A) Orthodox seed
B) Recalcitrant seed
C) Dormant seed
D) Non-viable seed
12. Which of the following is used to control soil borne pathogen in organic agriculture?
A) Vermi compost
B) Trichoderma
C) FYM
D) Oil cake
13. The site of dark reaction in photosynthesis is :
A) Vacuole
B) Mitochondria
C) Grana
D) Stroma
14. Radio, TV etc. are the examples of :
A) Mass communication
B) Group communication
C) Individual communication
D) Community communication
15. The process of formation of mRNA from DNA is called :
A) Transcription
B) Translation
C) Replication
D) Termination
16. CAM plants have the ability to be :
A) Flood tolerant
B) Drought tolerant
C) Acid tolerant
D) Salt tolerant
17. The process in which a gene of interest is located and copied out of DNA extracted from an organism is known as :
A) Gene cloning
B) Gene mapping
C) Gene knockout
D) None of these
18. Calcium deficient symptoms first occurs on :
A) Older leaves
B) Younger leaves
C) Terminal bud
D) Stem
19. December 23 has been observed as :
A) Environment Day
B) Agriculture Day
C) National Farmers Day
D) ICAR day
20. A set of soil management practices that minimize the disruption of the soil’s structure, composition and natural biodiversity is termed as :
A) Soil texture
B) Organic agriculture
C) Integrated agriculture
D) Conservative agriculture
21. Puddled soil or poached soil is the soil in which the structure has been destroyed by the :
A) Physical impact of rain drops
B) Tillage when wet
C) Trampling by animals
D) All of the above
22. Micronaire in cotton is used to measure :
A) Fibre color
B) Fibre strength
C) Fibre fineness
D) Staple length
23. The term “Green gold” generally refers to which among the following crops ?
A) Sugarcane
B) Bamboo
C) Cardamom
D) Cotton
24. The bacteria that converts ammonia to nitrite is :
A) Nitrobacter
B) Nitrosomonas
C) Rhizobium
D) None of these
25. The pollination which takes place in unopened flowers is termed as :
A) Chasmogamy
B) Dichogamy
C) Cleistogamy
D) Autogamy
26. Net benefit cost is calculated by :
A) Gross return / net return
B) Net return / total cost
C) Net return / gross return
D) Gross return / total cost
27. Glyphosate is used as a :
A) Herbicide
B) Fungicide
C) Fertilizer
D) Insecticide
28. In which stage of meiosis, the chromosome pairs line up next to each other along the centre (equator) of the cell ?
A) Interphase
B) Metaphase-I
C) Prophase-I
D) Anaphase-I
29. Rice grain is deficient in :
A) Glycine
B) Lysine
C) Alanine
D) Isoleucine
30. The factors responsible for cytoplasmic male sterility in plants are located in the :
A) RNA
B) Nuclear DNA
C) Chloroplast DNA
D) Mitochondrial DNA
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