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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. |
Which of the following statements is correct ? (1) Adenine does not pair with thymine (2) Adenine pairs with thymine through two H-bonds (3) Adenine pairs with thymine through one H-bond (4) Adenine pairs with thymine through three H-bonds |
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Answer» (2) Adenine pairs with thymine through two H-b Option (2) i.e. Adenine pairs with thymine through two H-bonds.It will be the correct answer for above given question. |
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| 2. |
Select the correct match. (1) Thalassemia - X linked (2) Haemophilia - Y linked (3) Phenylketonuria - Autosomal dominant trait (4) Sickle cell anaemia - Autosomal recessive trait, chromosome-11 |
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Answer» (4) Sickle cell anaemia - Autosomal recessive trait, chromosome-11 |
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| 3. |
Assertion : Mitochondria & Chloroplast are connected with similar RNA sequence. Reason : They show prokaryotic organisation. (1) If both assertion and reason are true and reason is the correct explanation of assertion. (2) If both assertion and reason are true but reason is not the correct explanation of assertion. (3) If assertion is true but reason is false. (4) If both assertion and reason are false. |
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Answer» (1) If both assertion and reason are true and reason is the correct explanation of assertion. |
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| 4. |
X is hcp, Y is 2/3 of tetrahedral voids.... Find percentage of X in the lattice |
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Answer» Correct answer is 42.85 X is hcp So atom per unit cell = 6 Y at 2/3 of T - void = 2/8 x 12 = 8 % of x = 6/14 x 100 = 42.85% |
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| 5. |
Match the following:(a) Siliqua(i) Lycopersicum esculentum(b) Caryopsis (ii) Triticum aestivum(c) Berry(iii) Helianthus annuus(d) Cypsela(iv) Brassica campestris(1) a-ii, b-i, c-iii, d-iv (2) a-i, b-ii, c-iii, d-iv (3) a-iv, b-ii, c-i, d-iii (4) a-iii, b-ii, c-i, d-iv |
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Answer» Correct option (3) a-iv, b-ii, c-i, d-iii |
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| 6. |
Which is wrong about mitochondria(1) Site of aerobic respiration(2) Supported by double unit membrane(3) Infolding of inner membrane forms cristae(4) Many circular DNA and few ribosomes are found in matrix |
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Answer» (4) Many circular DNA and few ribosomes are found in matrix. |
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| 7. |
Insects which are active in the day time are called a. Nocturnal b. Diurnal c. Crepuscular d. None of above |
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Answer» Insects which are active in the day time are called Diurnal. |
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| 8. |
In physiological considerations, the resistance to insecticide may be developed due to a. Conversion of toxicant to non toxic metabolites b. Excretion of toxicant c. Storage of the toxicant d. All of the above |
| Answer» d. All of the above | |
| 9. |
Directed movement of the insects in response to light are called a. Phototaxis b. Photokinesis c. Nocturnal d. None of above |
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Answer» Directed movement of the insects in response to light are called Phototaxis. |
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| 10. |
The smallest unit of DNA capable of coding for the synthesis of a polypeptide is (A) Operon (B) Repressor gene (C) Cistron (D) Replicon |
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Answer» Correct option (C) Cistron |
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| 11. |
Non directional movements of the insects in response to light are called a. Phototaxis b. Photokinesis c. Nocturnal d. None of above |
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Answer» Non-directional movements of the insects in response to light are called Photokinesis. |
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| 12. |
In DNA replication the enzyme required in the first step is (A) DNA directed polymerase (B) Unwinding proteins (C) DNA polymerase (D) DNA ligase |
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Answer» (B) Unwinding proteins |
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| 13. |
Which of the following order comprises phytophagous insects a. Odonata b. Phasmida c. Siphonoptera d. Mallophaga |
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Answer» b. Phasmida. |
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| 14. |
Assertion : In C4 cycle, first stable product has 4 carbon compoundReason : In C4 plants, C3 cycle is absent(1) If both assertion and reason are true and reason is the correct explanation of assertion.(2) If both assertion and reason are true but reason is not the correct explanation of assertion.(3) If assertion is true but reason is false.(4) If both assertion and reason are false. |
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Answer» (3) If assertion is true but reason is false. |
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| 15. |
Nicotinic effects of organo-phosphatic insecticide result in a. Giddiness b. stiffness of the neck c. Ataxia d. None of these |
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Answer» d. None of these |
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| 16. |
Adult insects are categorized with the response of light are foll. a. The diurnal species. b. The nocturnal species c. The crepuscular species d. All of above. e. None of above. |
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Answer» d. All of above. |
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| 17. |
Mark the correct one regarding typhlosole :(1) Internal median fold of ventral intestinal wall (2) Extends from 20th - 35th segments (3) Increases the surface area for absorption (4) Decreases the surface area for absorption |
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Answer» Correct option: (3) Increases the surface area for absorption. |
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| 18. |
Systema Naturae is a publication of a. Linnaeus b. Darwin c. Aristotle d. Lamarck |
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Answer» Systema Naturae is a publication of Linnaeus. |
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| 19. |
The National highways system is the responsibility of (a) State Governments (b) Central Government (c) A special Roads Authority (d) State and Central Government |
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Answer» (b) Central Government |
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| 20. |
In a normally developing insect, a high titer of juvenile hormone should not be found: a. While it is molting from first to second instar b. Before it becomes a pupa. c. When it is a sexually mature adult. d. In an adult male. |
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Answer» a. While it is molting from first to second instar |
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| 21. |
Flacheri is a disease of a. Silkworm b. Honeybees c. Grasshoppers d. Beetles |
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Answer» Flacheri is a disease of Silkworm. |
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| 22. |
Sclerotization is a process by which the cuticle become a. Soft b. Dark c. Hard d. None of above |
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Answer» Sclerotization is a process by Dark the cuticle become |
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| 23. |
Melanization is process by which the cuticle become a. Black & White b. Hard c. Soft d. Dark |
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Answer» Melanization is processed by Soft the cuticle become. |
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| 24. |
Insect body divided into external grooves called as a. Suture b. Sclerite c. Somites d. Acron |
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Answer» Insect body divided into external grooves called as Suture. |
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| 25. |
Which hormone cause moulting a. Ecdysome b. Ecdysis c. Exuvium d. Moulting |
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Answer» Ecdysome hormone cause moulting. |
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| 26. |
Division of labor present ina. Honeybees b. Flies c. Cockroaches d. Lice |
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Answer» Division of labor present in Honeybees. |
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| 27. |
What type of legs found in mantid a. Jumping b. Grooming c. Grasping d. Digging |
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Answer» Grasping type of legs found in mantid. |
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| 28. |
Sexual dimorphism occur in a. Mango mealybug b. Grasshopper c. Human louse d. Cricket |
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Answer» a. Mango mealybug |
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| 29. |
Elastic regions of the exoskeleton: a. Are generally known as sclerites. b. Are found only at the joints. c. Lack a well-defined exocuticle. d. Contain high concentrations of quinones. |
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Answer» c. Lack a well-defined exocuticle. |
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| 30. |
Where is the genital opening found on a typical insect? a. Just above the epiproct. b. Just below the anus. c. Between the paraprocts. d. Inside the tentorium. |
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Answer» The genital opening found on a typical insect Just below the anus. |
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| 31. |
Parapsidal furrows are grooves found on the mesonotum of some parasitic wasps. These grooves would be located: a. Above and between the front wings. b. Under the halteres. c. On the epimeron. d. No way to tell. |
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Answer» a. Above and between the front wings. |
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| 32. |
Which part of the exoskeleton lies between the wax layer and the cement layer? a. Exocuticle b. Cuticulin layer c. Endocuticle d. None of these |
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Answer» d. None of these |
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| 33. |
Which mouthparts lie between the labrum and the maxillae? a. Hypopharynx b. Labium c. Mandibles d. Palps |
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Answer» Mandibles mouthparts lie between the labrum and the maxillae. |
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| 34. |
A tormogen cell is always associated with a(n): a. Spine b. Apodeme c. Gland d. Seta |
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Answer» A tormogen cell is always associated with a Gland. |
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| 35. |
Nodus and pterostigma present in the wing of a. Odonates b. Fire brates c. Ants d. Stylopids |
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Answer» a. Odonates. |
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| 36. |
Which sclerite lies below (ventral to) the frons? a. Genab. Occiputc. Clypeus d. Labium |
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Answer» Clypeus sclerite lies below (ventral to) the frons. |
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| 37. |
Antennae are absent in a. Telson tail insects b. Spring tail insectsc. Double tail insects d. None of above |
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Answer» a. Telson tail insects |
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| 38. |
Raptorial type of legs are found in a. Praying mantis b. Dragonflies c. Crickets d. Flies |
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Answer» a. Praying mantis |
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| 39. |
All members are parasitic in nature in the insect order a. Strepsiptera b. Hymenoptera c. Lepidoptera d. Coleoptera |
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Answer» a. Strepsiptera |
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| 40. |
Which structure lies below the frons and above the labrum? a. Trochanter b. Clypeus c. Furca d. Gena |
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Answer» Clypeus structure lies below the frons and above the labrum. |
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| 41. |
Which is the following is not head secleroid a. Gena b. Frons c. Epimeron d. Vertex |
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Answer» Epimeron is not head sclerosis. |
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| 42. |
Bubonic plague is: a. Present in rodent populations along with its efficient louse vector in the Sierra Mountains of California. b. Present in bear populations along with its efficient flea vector in the Sierra Mountains of California. c. Present in rodent populations along with its efficient flea vector in the Sierra Mountains of California. d. No longer a threat because the flea vector has been eradicated with chemical insecticides in the Sierra Mountains of California. e. No longer a threat because the louse vector has been eradicated with chemical insecticides in the Sierra Mountains of California |
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Answer» d. No longer a threat because the flea vector has been eradicated with chemical insecticides in the Sierra Mountains of California. |
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| 43. |
Costal margin of wing of insect is a. Frontal margin b. Anal margin c. Outer margin d. Inner margin |
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Answer» Costal margin of wing of insect is Frontal margin. |
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| 44. |
Semiochemicals which promote communication between members of the same species: a. Allelochemicals b. Kairomones c. Pheromones d. None of all |
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Answer» c. Pheromones |
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| 45. |
Defensive chemicals producing negative responses in insects are a. Pheromones b. Allomones c. Kairomones d. Allelochemicals |
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Answer» b. Allomones |
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| 46. |
Locomotion in response to odour a. Stereokinesis b. Chemokinesis c. Taxis d. Kinesis |
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Answer» a. Stereokinesis |
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| 47. |
Compodeiform is type of a. Larvae b. Pupae c. Eggs d. Naiad |
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Answer» Campodeiform is type of Larvae. |
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| 48. |
Fast acting pheromones a. Releasers b. Primers c. Somio chemical d. Allelo chemical |
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Answer» a. Releasers |
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| 49. |
Total or complete resistance against any adverse condition is called a. Hmmunilog b. Tolerance c. Resistance d. Plant resistance |
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Answer» Total or complete resistance against any adverse condition is called Hmmunology. |
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| 50. |
The honey bee worker has a “stinger” which a. Is a modified ovipositor and associated with a poison gland that produces the venom. b. Has a barb on it which can imbed into the skin and be released by muscles to allow the bee to sting another victim. c. Has a barb on it which can imbed into the skin of an animal and is left behind to continue injecting venom into the victim. d. a. and b.. e. a. and c. |
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Answer» Is a modified ovipositor and associated with a poison gland that produces the venom & Has a barb on it which can imbed into the skin of an animal and is left behind to continue injecting venom into the victim. |
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