Gramsevak agri test – 03
ग्रामसेवक कृषी विषयक घटक सराव टेस्ट पेपर – 03
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#1. Unit of specific leaf area (SLA) is _________
Answer : m²/kg
Explanation : Specific leaf area (SLA) is the ratio of leaf area to leaf dry mass. the unit of SLA is cm²/g or m2/kg.
#2. Dog ridge is the rootstock of
Answer : drought and salinity resistance rootstock of grape
Explanation : Dogridge identified as the best rootstock for drought and salinity resistance in table grape varieties.
#3. Ratio of yield of photochemical product to total number of quanta used is called as ________
Answer : Quantum Yield
Explanation : Ratio of yield of photochemical product to total number of quanta used is called as Quantum Yield
#4. Molybdenum deficiency in Broccolli leads to
Answer : Whiptail
Explanation : Whiptail in cauliflower and broccoli is due to the deficiency of Mo
#5. The new sub scheme under PM Kisan Sampada Scheme which aims to build infrastructure, including pre-cooling, weighing, sorting, grading, and waxing facilities at the farm level. It also includes multi-product/multi-temperature cold storage, CA storage, and packing facilities across the supply chain.
Answer : Integrated Cold Chain and Value Addition Infrastructure
Explanation : The PMKSY had seven component schemes viz; (i) Mega Food Parks, (ii) Integrated Cold Chain and Value Addition Infrastructure, (iii) Infrastructure for Agro-Processing Clusters, (iv) Creation of Backward and Forward Linkages, (v) Creation/Expansion of Food Processing & Preservation Capacities, (vi) Food Safety and Quality Assurance Infrastructure and (vii) Human Resources and Institutions.
#6. An instrument used to measure the height of tree, is portable and does not uses Pythagoras theorem is ________
Answer : Hypsometer
Explanation : A hypsometer is an instrument for measuring height or elevation.
#7. Which chemical developed during fermentation of tea imparts Black Colour of tea ?
Answer : Theaflavin
Explanation : Theaflavins and Thearubigins are the compounds responsible tea color and flavours.
#8. Which among the following is not the main function of lubricating oil ?
Answer : to maintain the temperature of engine
Explanation : There are 6 Basic Functions of a Lubricant/Oil.
Lubrication – Provide a film between moving parts.
Cooling – Heat transfer media.
Sealing – Filling in uneven surfaces
Cleaning – Holding contaminants in suspension.
Dampening & Cushioning – Of components under high stress.
Protection – From oxidation & corrosion.
#9. Alteration of amino acids in sequence without altering protein function is called as_______
Ans: Answer : Silent genetic mutation
Explanation : Silent genetic mutation – change a codon to one that encodes the same amino acid and causes no change in the protein produced. These are called silent mutations.
#10. Branches arising from the lowermost nodes especially in cereals are called _______
Answer : Tillers
Explanation : Tillers are branches that develop from the leaf axils at each unelongated node of the main shoot or from other tillers during vegetative growth.