1. Celphos tablets are primarily used for controlling which type of pests?

1. Coconut mites
2. Cotton bollworm
3. Rice stem borer
4. Storage pests
5. Leaf hoppers

Answer

4. Storage pests
Explanation: Celphos tablets release phosphine gas, which is effective in controlling storage pests like insects and rodents in stored grain. 🐭🛢️

2. Which phylum do insects belong to?

1. Amphibians
2. Nematoda
3. Arthropoda
4. Annelida
5. Mollusca

Answer

3. Arthropoda
Explanation: Insects are classified under the phylum Arthropoda, characterized by their exoskeleton, segmented bodies, and jointed appendages. 🦗🔬

3. What is the primary function of the filter chamber in insects?

1. Osmoregulation
2. Short-circuiting water
3. Producing midgut epithelial cells
4. Both 1 and 2
5. Digesting nutrients

Answer

4. Both 1 and 2
Explanation: The filter chamber helps in osmoregulation and short-circuiting water across the gut, aiding in efficient nutrient absorption and water regulation. 🌊🔍

4. Which parasitoid is released to control the sugarcane leaf hopper (Pyrilla perpusilla)?

1. Granulosis virus
2. Trichogramma chilonis
3. Sturmiosis inferens
4. Epiricania melanoleuca
5. Bacillus thuringiensis

Answer

4. Epiricania melanoleuca
Explanation: Epiricania melanoleuca, a lepidopteran parasitoid, is released to biologically control sugarcane leaf hopper populations. 🐛🌾

5. Which male insect organ assists in insemination?

1. Ovary
2. Gonopore
3. Spermatheca
4. Aedeagus
5. Vas deferens

Answer

4. Aedeagus
Explanation: The aedeagus is the male reproductive organ in insects, responsible for the transfer of sperm during mating. 🦗❤️

6. Which insect is commonly referred to as a national pest?

1. Termites
2. Aphid
3. Grasshopper
4. White grub
5. Cutworm

Answer

4. White grub
Explanation: White grubs are known as national pests due to their widespread and significant impact on various crops. 🪲🌾

7. What subphylum do insects belong to?

1. Onychophora
2. Arthropoda
3. Horsehair worms
4. Uniramia
5. Crustacea

Answer

4. Uniramia
Explanation: Insects belong to the subphylum Uniramia, characterized by their unbranched appendages. 🦗🔬

8. Who provided the first detailed classification of insects?

1. Charaka
2. Carl Linnaeus
3. Umaswati
4. Sushruta
5. Aristotle

Answer

3. Umaswati
Explanation: Umaswati provided one of the earliest detailed classifications of insects in ancient Indian texts. 📜🦗

9. What type of excretion is common in terrestrial insects?

1. Urea
2. Ammonia
3. Uric acid
4. All of these
5. Creatinine

Answer

3. Uric acid
Explanation: Terrestrial insects excrete uric acid, which is less toxic and conserves water. 🦗💧

10. Where is the cervix located in an insect?

1. Between the head and prothorax
2. Between the head and mesothorax
3. Between antennae and prothorax
4. Between thorax and abdomen
5. Between prothorax and mesothorax

Answer

1. Between the head and prothorax
Explanation: The cervix in insects refers to the narrow region connecting the head and the prothorax. 🦗🔬

11. What is an example of the class Crustacea?

1. Prawn
2. Crab
3. Woodlouse
4. All of the above
5. Shrimp

Answer

4. All of the above
Explanation: Crustacea include a wide range of species such as prawns, crabs, and woodlice. 🦐🦀

12. Who is recognized as the father of taxonomy?

1. De Condolle
2. R.H. Whittaker
3. Carolus Linnaeus
4. Ernst Mayr
5. Aristotle

Answer

3. Carolus Linnaeus
Explanation: Carolus Linnaeus is known as the father of taxonomy for his work in developing the system of naming and classifying organisms. 📜🔬

13. What does alpha taxonomy primarily deal with?

1. Classification
2. Evolution
3. Phylogenetic analysis
4. Identification and nomenclature
5. Genetic analysis

Answer

4. Identification and nomenclature
Explanation: Alpha taxonomy focuses on the identification and naming of species, forming the foundation for further taxonomic work. 🦗📚

14. How do aquatic insects excrete waste?

1. Uric acid
2. Urea
3. Ammonia
4. All of the above
5. Creatinine

Answer

3. Ammonia
Explanation: Aquatic insects excrete ammonia directly into the water, which is highly soluble and less toxic in dilute concentrations. 🦗💧

15. Which of the following pairs is incorrectly matched regarding insect damage?

1. Potato tuber moth - Grubs
2. Rice weevil - Grubs and adults
3. Pulse beetles - Grubs
4. Lesser grain borer - Grubs and adults
5. Corn earworm - Adults

Answer

1. Potato tuber moth - Grubs
Explanation: Potato tuber moth damage is caused by larvae (caterpillars) rather than grubs, making this pair incorrect. 🥔🐛

16. Which insect respiratory system is classified as holopneustic?

1. Grasshopper
2. Dragonfly
3. Caterpillar
4. Both 1 and 2
5. Wasp

Answer

4. Both 1 and 2
Explanation: Both grasshoppers and dragonflies have a holopneustic respiratory system with all spiracles functional. 🦗🦟

17. What is the preoral cavity between the hypopharynx and salivary duct called?

1. Pharynx
2. Salivarium
3. Cibarium
4. Both 1 and 3
5. Buccal cavity

Answer

2. Salivarium
Explanation: The salivarium is the cavity between the hypopharynx and the salivary duct in insects. 🦗🧪

18. Which class is an extinct group of the phylum Arthropoda?

1. Hexapoda
2. Diplopoda
3. Chilopoda
4. Trilobita
5. Crustacea

Answer

4. Trilobita
Explanation: Trilobita is an extinct class of marine arthropods that lived during the Paleozoic era. 🦞⏳

19. Which pest causes skeletonization of tobacco leaves?

1. White fly (Bemisia tabaci)
2. Tobacco caterpillar (Spodoptera litura)
3. Aphid (Myzus persicae)
4. Tobacco stem gall (Phthorimaea heliopa)
5. Leaf miner

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Answer

2. Tobacco caterpillar (Spodoptera litura)
Explanation: The tobacco caterpillar feeds on tobacco leaves, causing skeletonization where only the veins remain. 🍃🐛

20. Who coined the term ’taxonomy'?

1. Ernst Mayr
2. Carolus Linnaeus
3. De Condolle
4. Bertral Turil
5. Aristotle

Answer

3. De Condolle
Explanation: De Condolle, a Swiss botanist, coined the term 'taxonomy' for the science of naming and classifying organisms. 📚🔬

21. Where is the hemipneustic respiratory system found?

1. Wriggler
2. Caterpillar
3. Maggot
4. All of the above
5. Termite

Answer

4. All of the above
Explanation: The hemipneustic respiratory system, where only some spiracles are functional, is found in wrigglers, caterpillars, and maggots. 🦗🌬️

22. In an apneustic respiratory system, how is air supplied?

1. Spiracles
2. Tracheae
3. Tracheoles
4. Diffusion
5. Lungs

Answer

4. Diffusion
Explanation: In an apneustic respiratory system, air supply occurs through diffusion rather than through spiracles or tracheal tubes. 🌬️🦗

23. Which insect stores uric acid in its body wall?

1. Beetle
2. Moth
3. Red cotton bug
4. Butterflies
5. Grasshopper

Answer

3. Red cotton bug
Explanation: Red cotton bugs store uric acid in their body wall as a method of excreting nitrogenous waste. 🦗💧

24. Who is recognized as the father of taxonomy?

1. De Condolle
2. R.H. Whittaker
3. Carolus Linnaeus
4. Ernst Mayr
5. Darwin

Answer

3. Carolus Linnaeus
Explanation: Carolus Linnaeus is known as the father of taxonomy for his work in developing the system of naming and classifying organisms. 📜🔬

25. Which one of the following is a polyphagous pest?

1. Rice stem borer
2. Mango nut weevil
3. Mango hopper
4. Termite
5. Aphid

Answer

4. Termite
Explanation: Termites are polyphagous pests, meaning they feed on a variety of plant materials and can cause significant damage. 🪲🌾

26. What acts as a sucking pump in sap feeders?

1. Hypopharynx
2. Gizzard
3. Oesophagus
4. Pharynx
5. Salivary glands

Answer

4. Pharynx
Explanation: In sap feeders, the pharynx functions as a sucking pump to help ingest plant sap. 🌿🦗

27. What is polyembryony?

1. Reproduction of young ones
2. Production of both male and female offspring
3. Production of more than two embryos from one egg
4. Asexual reproduction
5. Multiple births from different eggs

Answer

3. Production of more than two embryos from one egg
Explanation: Polyembryony is the phenomenon where multiple embryos develop from a single fertilized egg, resulting in genetically identical offspring. 🦗👶

28. What is the body cavity filled with blood in insects called?

1. Haemolymph
2. Hemoglobin
3. Hemocoel
4. Coelom
5. None of these

Answer

3. Hemocoel
Explanation: In insects, the body cavity that is filled with blood (haemolymph) is called the hemocoel. 🦗💉

29. Which pest is best controlled by the sterile insect release method?

1. Termites
2. Cockroach
3. Fruit fly
4. Grasshopper
5. Bed bug

Answer

3. Fruit fly
Explanation: The sterile insect release method is most effective for controlling fruit fly populations by releasing sterilized males to reduce breeding. 🍎🦟

30. What pest causes T-shaped markings on mango fruits?

1. Amritodus atkinsoni
2. Drosicha mangiferae
3. Sternochetus mangiferae
4. Oecophylla smaragdina
5. Anthracnose

Answer

3. Sternochetus mangiferae
Explanation: Sternochetus mangiferae, also known as the mango seed weevil, causes T-shaped markings on mango fruits by feeding on the cotyledons. 🍃🪲

1. Celphos tablets are primarily used for controlling which type of pests?

1. Coconut mites
2. Cotton bollworm
3. Rice stem borer
4. Storage pests
5. Leaf hoppers

Answer

4. Storage pests
Explanation: Celphos tablets release phosphine gas, which is effective in controlling storage pests like insects and rodents in stored grain. 🐭🛢️

2. Which phylum do insects belong to?

1. Amphibians
2. Nematoda
3. Arthropoda
4. Annelida
5. Mollusca

Answer

3. Arthropoda
Explanation: Insects are classified under the phylum Arthropoda, characterized by their exoskeleton, segmented bodies, and jointed appendages. 🦗🔬

3. What is the primary function of the filter chamber in insects?

1. Osmoregulation
2. Short-circuiting water
3. Producing midgut epithelial cells
4. Both 1 and 2
5. Digesting nutrients

Answer

4. Both 1 and 2
Explanation: The filter …

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