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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The exchange of gases in the alveoli of the lungs takes place by (a) osmosis (b) simple diffusion (c) passive transport (d) active transport |
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Answer» (d) active transport |
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| 2. |
The exchange of gases (O2 and CO2) in a mammal takes place in (a) trachea (b) bronchi (c) bronchiole (d) alveoli |
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Answer» The exchange of gases (O2 and CO2) in a mammal takes place in (d) alveoli |
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| 3. |
Damage is only caused by only grub stage of the ----------a. Red flour beetle b. Khapra beetle c. Saw toothed beetle d. Dhora beetle |
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Answer» b. Khapra beetle |
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| 4. |
If the acute dermal LD-50 of an insect is 50 mg/kg, then: a. 50 insects can be killed with 50 mg of the product. b. One insect can be killed with 50 mg of the product. c. 50% of the insects can be killed with 50 mg of the product. d. None of these |
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Answer» d. None of these |
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| 5. |
Pygidium is not covered by the elytra of -----------a. Kharpa b. Red flour beetle c. Dhora d. None of all |
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Answer» Pygidium is not covered by the elytra of Dhora. |
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| 6. |
The sterile-male technique works best when: a. The target population is large.b. Females mate repeatedly. c. The pest species can be mass-reared. d. All of these. |
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Answer» c. The pest species can be mass-reared. |
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| 7. |
Beetles & weevils have fore wing very thick and hard a. Elytra b. Hemelytra c. Strippy d. Filohaltere |
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Answer» Beetles & weevils have fore wing very thick and hard Elytra. |
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| 8. |
Which communication signal has low information content, but can be long-lasting in the environment? a. Wing color patterns b. Light flashes c. Stridulation d. Marking pheromones |
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Answer» a. Wing color patterns |
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| 9. |
Fire flies are a. Beetles b. Flies c. Fleas d. Wasps |
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Answer» Fire flies are Beetles. |
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| 10. |
Cocomofian in response to touch a. Chemokinensis b. Stereokinensis c. Hydrokinensis d. Klinokinensis |
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Answer» b. Stereokinensis |
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| 11. |
Chemical substances in gaseous form are detected in insect by a. Gustatory receptors b. Olfactory receptors c. Stretch receptors d. All |
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Answer» b. Olfactory receptors |
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| 12. |
What organ of digestive system prevents the regurgitation a. Crop b. Gizzard c. Esophagous d. Pharynx |
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Answer» Gizzard organ of digestive system prevents the regurgitation. |
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| 13. |
Silk is produced by insect a. Bombyx mori b. Gryllus sp. c. Apis cerana d. Apis mellifera |
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Answer» Silk is produced by insect Bombyx mori. |
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| 14. |
The hearing organs in grasshopper is a. Johnshon‟s organ b. Tympanal organs c. Chrodotonal organ d. None of above |
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Answer» The hearing organs in grasshopper is Tympanal organs. |
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| 15. |
Photogentic organs are present a. Flies b. Fire files c. Wasps d. Honey bee |
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Answer» Photogentic organs are present Fire files. |
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| 16. |
Cotton stainer is _______. a. Pectinophora b. Dytiscus c. Helicoverpa d. Dysdercus |
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Answer» Cotton stainer is Dysdercus. |
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| 17. |
Lac is produced by insect a. Laccifer lacca b. Bombyx mori c. Apis cerana d. Apis dorsata |
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Answer» a. Laccifer lacca |
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| 18. |
Tympanal organs are present on the front tibia in a. Cicadas b. Crickets c. Moths d. Grasshoppers |
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Answer» Tympanal organs are present on the front tibia in Crickets. |
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| 19. |
In the formation of cuticle, which of the following layer is secerated first a. Exo-cuticle b. Wax layer c. Endo-cuticle d. Cuticulin layer |
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Answer» d. Cuticulin layer |
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| 20. |
Ciprofloxacin inhibits the synthesis of (A) DNA (B) mRNA (C) tRNA (D) rRNA |
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Answer» Correct option (A) DNA |
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| 21. |
When head and thorax are fused they are collectively called a. Head b. Thorax c. Abdomen d. Cephalothorax |
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Answer» When head and thorax are fused they are collectively called Cephalothorax. |
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| 22. |
The identical food of queen is a. Royal jelly b Water c. Honey d. Nectar |
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Answer» The identical food of queen is Royal jelly. |
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| 23. |
When a newly emerged queen honey bee hears the sound of "piping and quacking" from unemerged queens, she will find and destroy their cells. Apparently, these sounds are an example of: a. A releaser b. A transverse orientation c. Appetative behavior d. A fixed action pattern |
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Answer» b. A transverse orientation |
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| 24. |
Which of the following organs are involved in excretion a. Malpighian tubules b. Integument c. Wall of the alimentary canal d. All of these |
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Answer» d. All of these |
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| 25. |
The food of honey bee queen is called a. Gelly b. Royal gelly c. Bee bread d. Nectar |
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Answer» The food of honey bee queen is called Royal gelly. |
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| 26. |
Moulting fluid is able to digest a. Cement layer b. Cuticulin layer c. Endo-cutilce d. Exo-cuticle |
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Answer» c. Endo-cutilce |
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| 27. |
Novobicin inhibits the synthesis of (A) DNA (B) mRNA (C) tRNA (D) rRNA |
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Answer» Correct option (A) DNA |
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| 28. |
In mites the body is divided into -------------- regions a. 1 b. 2 c. 3 d. 4 |
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Answer» In mites, the body is divided into 2 regions. |
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| 29. |
Mites have generally ---------- pairs of walking legs.a. 2 b. 3 c. 4 d. Many |
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Answer» Mites have generally 4 - pairs of walking legs. |
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| 30. |
The gland which produces pheromones in queen honey bee is ________.a. Mandibular glands b. Maxillary glands c. Labial glands d. Tharyngial glands |
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Answer» The gland which produces pheromones in queen honey bee is Mandibular glands. |
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| 31. |
Pheromones are synthesized by a. Thoracic glands b. Neuro-secretary cells c. Glandular epidermal cells d. All of the above |
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Answer» Pheromones are synthesized by Glandular epidermal cells. |
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| 32. |
The bees not reared for commercial purpose are called a. Domestic bees b. Child bees c. None of above |
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Answer» b. Child bees |
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| 33. |
Mites have ____________ pairs of legs and two distinct body regions a. 2 b. 4 c. 6 d. 3 |
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Answer» Mites have 4 pairs of legs and two distinct body regions. |
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| 34. |
Internal skelton of head for the attachment of Muscle a. Tentorial pits b. Furca c. Epiproctd. Suture |
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Answer» Internal skelton of head for the attachment of Muscle Suture. |
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| 35. |
Which statement about the insect's nervous system is incorrect? a. The ventral nerve cord controls the heart and gut. b. The caudal ganglion controls the external genitalia. c. The brain controls the eyes and antennae. d. The subesophageal ganglion controls the mouth parts |
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Answer» a. The ventral nerve cord controls the heart and gut. |
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| 36. |
The show acting pheromones are called a. Primers b. Releasers c. Semio chemicals d. Allelo chemicals |
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Answer» The show acting pheromones are called Primers. |
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| 37. |
A ridge giving strength against the strain imposed on the head capsule a. Sulcus b. Furca c. Suture d. None of above |
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Answer» A ridge giving strength against the strain imposed on the head capsule Sulcus. |
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| 38. |
Groove making the line of fusion b/w distinct plates of the head capsule a. Sulcus b. Suture c. Furca d. Ostia |
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Answer» Groove making the line of fusion b/w distinct plates of the head capsule Suture. |
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| 39. |
Jugum in insect is a part of a. Wing b. Leg c. Antenna d. Abdomen |
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Answer» Jugum in insect is a part of Wing |
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| 40. |
Which statement about valvulae is incorrect? a. They are part of the female genitalia. b. They lie just inside the valvifers. c. They are arranged in three pairs. d. They guide the egg during oviposition. |
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Answer» b. They lie just inside the valvifers. |
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| 41. |
Costal margin of wing of insect is a. Frontal margin b. Outer margin c. Hinder margin d. Inner margin |
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Answer» Costal margin of wing of insect is Frontal margin. |
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| 42. |
Fast acting pharomones are a. Primers b. Releasers c. Semio chemicals d. Allelochemicals |
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Answer» Fast acting pharomones are Releasers. |
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| 43. |
Apical margin of wing of insect is a. Hinder margin b. Frontal margin c. Outer margin d. Inner margin |
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Answer» Apical margin of wing of insect is Outer margin. |
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| 44. |
Which suture is not found on the head capsule? a. Pleural suture b. Subgenal suture c. Epistomal suture d. Frontal suture |
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Answer» Pleural suture is not found on the head capsule. |
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| 45. |
The insect skeleton is composed of series of plates called a. Seclerites b. Conjunctivae c. Sutures d. Somites |
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Answer» The insect skeleton is composed of series of plates called Seclerites. |
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| 46. |
Dragonfly and damselfly have type of legs a. Frssotial b. Metatorial c. Raptorial d. Basket like |
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Answer» Dragonfly and damselfly have type of legs Basket like. |
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| 47. |
Jumping legs present in grasshopper known as a. Saltatorial b. Raptorial c. Cursorial d. Natatorial |
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Answer» Jumping legs present in grasshopper known as Saltatorial. |
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| 48. |
Tentorium is a. Endoskeleton of head b. Exoskeleton of head c. All above d. None of above |
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Answer» Tentorium is Endoskeleton of head. |
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| 49. |
What is doping ? Why is it dose ? |
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Answer» Doping—The process of adding impurities in an intrinsic semiconductor is known as doping. It is done to increase the conductivitiy of a semiconductor even at low temperature. |
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| 50. |
A person with a myopic eye cannot see clearly the objects placed beyond 1.5 m. Mention two possible reasons due to which this defect may arise. With the help of ray diagrams show: (a) Why is he unable to see clearly the objects placed beyond 1.5 m from his eye, and (b) What should be the type of the corrective lens used to restore proper vision and how this effect is corrected by the use of this lens? |
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Answer» (a) (i) Excessive curvature of eye lens, (ii) Elongation of eye ball (b) Concave lens. |
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