11. Grasshopper: Structure, Life cycle and importance in agriculture
рдЗрд╕ рдкреЗрдЬ рдкрд░ рдЖрдкрдХреЛ 11. Grasshopper: Structure, Life cycle and importance in agriculture рдХреЗ рд╕рднреА рдорд╣рддреНрд╡рдкреВрд░реНрдг рдмрд╣реБрд╡рд┐рдХрд▓реНрдкреАрдп рдкреНрд░рд╢реНрди (MCQ), рдкрд░реАрдХреНрд╖рд╛ рдЙрдкрдпреЛрдЧреА рдиреЛрдЯреНрд╕ рдФрд░ рдСрдирд▓рд╛рдЗрди рдХреНрд╡рд┐рдЬрд╝ рдорд┐рд▓реЗрдВрдЧреЗред рдЕрдкрдиреЗ рдЬреНрдЮрд╛рди рдХрд╛ рдкрд░реАрдХреНрд╖рдг рдХрд░рдиреЗ рдФрд░ рдмреЛрд░реНрдб/рдкреНрд░рддрд┐рдпреЛрдЧреА рдкрд░реАрдХреНрд╖рд╛ рдореЗрдВ рд╢рдд-рдкреНрд░рддрд┐рд╢рдд рдЕрдВрдХ рдкреНрд░рд╛рдкреНрдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП рдиреАрдЪреЗ рджрд┐рдП рдЧрдП рдореЙрдХ рдЯреЗрд╕реНрдЯ рдореЗрдВ рдЕрд╡рд╢реНрдп рднрд╛рдЧ рд▓реЗрдВред
ЁЯСЙ рдЕрдзреНрдпрд╛рдп рдХрд╛ рд╕рд╛рд░рд╛рдВрд╢ (Summary)
Dear students, a very warm welcome to this highly crucial and deeply informative chapter of Agriculture Biology titled 'Grasshopper: Structure, Life cycle and importance in agriculture'. All of us have definitely seen small, active creatures hopping around energetically on the green grass in our daily lives, especially during the humid rainy season or near the lush agricultural fields. These common but fascinating creatures are known as Grasshoppers. Although a single, solitary grasshopper appears to be very ordinary and entirely harmless to us, have you ever heard the terrifying news reports stating that massive, dark swarms of locusts (which are essentially a type of swarming grasshopper) devoured entire sprawling fields of fully grown crops absolutely overnight? When these grasshoppers systematically attack together in swarms numbering in the millions or even billions, they have the frightening capacity to completely destroy the tireless hard work of poor farmers in merely a matter of a few hours.
In this comprehensive and strictly scientific chapter, we will study with great depth and focus about this major enemy insect of the global agricultural sector. We will first meticulously understand the complete external structure of the grasshopper, which primarily includes the three main distinct parts of its bodyтАФthe head, the thorax, and the abdomen. The unique anatomical design of the grasshopper's body helps it immensely in making incredibly long jumps and flying swiftly over vast geographical distances. Immediately following this anatomical study, we will conduct a highly detailed analysis of the mouthparts of the grasshopper. The specific mouthparts of a grasshopper are of the 'biting and chewing' type, which are specially and perfectly adapted by nature to easily gnaw and swiftly consume tough green leaves and the tender, delicate stems of various agricultural plants.
Along with this detailed structural analysis, we will also thoroughly discuss the complete life cycle of the grasshopper in great detail. The unique life cycle of the grasshopper is a classic and outstanding example of 'Incomplete Metamorphosis', which primarily involves only three distinct developmental stages: the egg, the nymph, and the fully grown adult. The juvenile nymph stage looks exactly like a miniature version of the adult grasshopper, except that it does not possess fully developed, functional wings. It is absolutely critical to know that this specific nymph stage, along with the adult, causes the maximum amount of devastating damage to the standing agricultural crops. Understanding the overall economic importance of the grasshopper in agriculture and the massive scale of the financial damage it inflicts is incredibly essential for every serious student of agricultural science.
From the precise viewpoint of the highly competitive NCERT and RBSE board exams in 2027, this specific chapter forms a tremendously important part of your academic syllabus. In your final board examinations, multiple critical objective questions are directly asked concerning the complex structure of the grasshopper's mouthparts, the various developmental stages of its life cycle, and the exact scientific chemical measures required to protect crops from its severe infestations. You must memorize the precise physical anatomy of such major insects with absolute clarity. To make your exam preparation absolutely flawless and 100% robust, we have created a truly magnificent online test right here on our educational platform. Continuously practicing these highly selected VVI questions will make all your theoretical concepts crystal clear. This brilliant online quiz will drastically improve your time management skills and will permanently eliminate any lingering fear of the final board exam. Let us enthusiastically study this harmful agricultural pest with full dedication and secure outstanding marks.
Feature: This is a unique 3-Level based quiz. To unlock the next levels (Level 2 and 3), students must score at least 70% marks in the current level, which makes their board exam preparation 100% stronger.
рдорд╣рддреНрд╡рдкреВрд░реНрдг рдкреНрд░рд╢реНрди (Important Questions)
PDF рдбрд╛рдЙрдирд▓реЛрдб рдХрд░реЗрдВрдЕрдзреНрдпрд╛рдп рдХреЗ рд╕рднреА рдкреНрд░рд╢реНрди (Revision Notes)
*рдиреЛрдЯ: рдпрд╣ рд╕реЗрдХреНрд╢рди рд░рд┐рд╡реАрдЬрди рдХреЗ рд▓рд┐рдП рд╣реИред рдЕрдкрдирд╛ рдЬреНрдЮрд╛рди рдкрд░рдЦрдиреЗ рдХреЗ рд▓рд┐рдП рдКрдкрд░ рджрд┐рдП рдЧрдП рдХреНрд╡рд┐рдЬрд╝ рдореЗрдВ рднрд╛рдЧ рд▓реЗрдВред
-
Honey bee rearing for honey production is:
A) Sericulture | B) Apiculture | C) Pisciculture | D) Horticulture -
Scientific name of European Honey bee:
A) Apis indica | B) Apis mellifera | C) Apis dorsata | D) Apis florea -
Main function of 'Queen' in the colony:
A) Honey collection | B) Egg laying | C) Comb building | D) Protection -
Silkworm rearing is:
A) Apiculture | B) Sericulture | C) Moriculture | D) Silviculture -
Scientific name of Silkworm:
A) Apis mellifera | B) Bombyx mori | C) Musca domestica | D) None -
Main sugars in honey are:
A) Sucrose | B) Fructose and Glucose | C) Lactose | D) Maltose -
Most numerous group in a beehive:
A) Queen | B) Workers | C) Drones | D) King -
Silk thread is obtained from which stage?
A) Egg | B) Pupa/Cocoon | C) Adult | D) Larva -
Acid found in honey bee sting:
A) Citric | B) Formic acid | C) Acetic | D) Nitric -
Silkworm feeds on leaves of:
A) Neem | B) Mulberry | C) Banyan | D) Peepal -
Instrument for checking honey purity:
A) Lactometer | B) Refractometer | C) Thermometer | D) Barometer -
Larva of silkworm is called:
A) Grub | B) Caterpillar | C) Nymph | D) Maggot -
Modern beehive box is called:
A) Langstroth box | B) Hive | C) Both A and B | D) None -
Putting silkworm cocoons in boiling water is:
A) Brooding | B) Stifling | C) Reeling | D) Hatching -
Origin of Drones in honey bees:
A) Fertilized eggs | B) Unfertilized eggs | C) Larva | D) Honey -
Dance performed to indicate food source direction:
A) Bharatanatyam | B) Waggle dance | C) Disco | D) None -
Special food fed to the Queen bee:
A) Honey | B) Royal Jelly | C) Pollen | D) Wax -
Silk gland is a modification of:
A) Salivary glands | B) Gut | C) Leg | D) Eye -
Who secretes 'Wax' in the hive?
A) Queen | B) Workers | C) Drone | D) King -
Proteins found in silk thread:
A) Casein | B) Fibroin & Sericin | C) Albumin | D) Haemoglobin -
Dance for food source less than 75m away:
A) Waggle dance | B) Round dance | C) Chandelier | D) None -
Found on the hind legs of worker bees:
A) Wings | B) Pollen basket | C) Sting | D) Shoes -
Laps required by bee for 1 kg of honey:
A) 100 | B) 2 million or more | C) 1000 | D) 10 -
Number of stages in silkworm life cycle:
A) 2 | B) 4 (Egg, Larva, Pupa, Adult) | C) 6 | D) 1 -
Bee sting is a modification of:
A) Leg | B) Ovipositor | C) Mouth | D) Wing -
Cause of 'Pebrine' disease in silkworm:
A) Virus | B) Protozoa (Nosema bombycis) | C) Fungi | D) Bacteria -
Part of hive where honey is stored:
A) Bottom | B) Super (Upper part) | C) Middle | D) None -
Cultivating mulberry for silkworm rearing is:
A) Apiculture | B) Moriculture | C) Silviculture | D) None -
Frequency of Nuptial flight by Queen bee:
A) Monthly | B) Only once | C) 10 times | D) Never -
Unwinding silk thread from cocoon is:
A) Reeling | B) Stifling | C) Spinning | D) Weaving -
Who received the Nobel prize for honey bee communication?
A) Mendel | B) Karl von Frisch | C) Watson | D) Darwin -
Unit of silk thread thickness:
A) Meter | B) Denier | C) Gram | D) Pascal -
Approx eggs laid per day by Queen bee:
A) 10 | B) 1500 - 2000 | C) 5000 | D) 100 -
Number of moultings in silkworm larva:
A) 1 | B) 4 | C) 10 | D) 0 -
Bee venom (Apitoxin) use in which disease:
A) Arthritis | B) Cancer | C) Fever | D) Cough -
Approx weight of a silkworm cocoon:
A) 10g | B) 1.5 - 2.2g | C) 50g | D) 100g -
Which species is 'Rock' or 'Giant' bee?
A) Apis indica | B) Apis dorsata | C) Apis mellifera | D) Apis florea -
Fluid released by adult moth to emerge from cocoon:
A) Acid | B) Alkaline fluid | C) Water | D) Honey -
Lifespan of a 'Drone':
A) 1 year | B) 6-8 weeks | C) 1 day | D) 10 years -
Stage of larva with maximum silk production:
A) First | B) 5th Instar | C) Third | D) Second -
Function of 'Queen Excluder':
A) Stop enemies | B) Prevent Queen from entering Super part | C) Extract honey | D) Provide air -
Cause of 'Muscardine' disease in silkworm:
A) Bacteria | B) Fungi | C) Virus | D) None -
Chemical controlling the colony released by Queen:
A) Enzyme | B) Pheromone | C) Hormone | D) Vitamin -
Thread length obtained from one cocoon:
A) 10m | B) 300 - 900m | C) 5000m | D) 100m -
Machine for honey extraction is:
A) Sprayer | B) Honey Extractor | C) Centrifuge | D) Mixer
0
0
0%
рдЕрдкрдирд╛ рд╕реБрдЭрд╛рд╡ рджреЗрдВ (Feedback)
рд╡реЗрдмрд╕рд╛рдЗрдЯ рдХреЛ рдФрд░ рдмреЗрд╣рддрд░ рдмрдирд╛рдиреЗ рдХреЗ рд▓рд┐рдП рдЕрдкрдиреЗ рд╡рд┐рдЪрд╛рд░ рд╣рдореЗрдВ рднреЗрдЬреЗрдВред