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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. |
Choose the correct statement(s) about tenuinucellate ovule (a) Sporogenous cell is hypodermal(b) Ovules have fairly large nucellus (c) Sporogenous cell is epidermal (d) Ovules have single layer of nucellus tissue |
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Answer» (a) Sporogenous cell is hypodermal |
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| 2. |
Match the following. Group A Group B A. Aleurone layer i. without fertilization B. Parthenocarpic fruit ii. Nutrition C. Ovule iii. Double fertilization D. Endosperm iv. Seed |
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Answer» A – iv B – i C – iii D – ii |
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| 3. |
The mature seeds of plants such as gram and peas possess no Endosperm. Why? |
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Answer» Endosperm gets used up by the developing embryo during seed development. |
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| 4. |
Marginal placentation is generally found in the family (a) Solanaceae (b) Fabaceae (c) Liliaceae (d) Cucurbitaceae |
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Answer» (b) Fabaceae |
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| 5. |
Monocotyledonous seed possess a cotyledon which is represented by (a) teg men (b) endosperm (c) scutellum (d) aleurone |
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Answer» (c) scutellum |
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| 6. |
Nonendospermic seeds are found in (a) pea (b) groundnut (c) beans (d) all of these |
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Answer» (d) all of these |
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| 7. |
Give one example each of dicot endospermic seed and nonendospermic seed. |
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Answer» (1) Endospermic seed : Castor (2) Nonendospermic seed : Bean. |
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| 8. |
Mortality is _______a. Birth rate b. Death rate c. Rate of increase in size. d. None of these |
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Answer» Mortality is Death rate. |
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| 9. |
If there is more moisture contents in the stored commodity, ----------will grow on it a. Fungi b. Nematodes c. Algae d. Bacteria |
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Answer» If there is more moisture contents in the stored commodity, Fungi will grow on it |
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| 10. |
Maximum of stored grain insect pests belong to order--------------- a. Homoptera b. Coleoptera c. Diptera d. Lepidoptera |
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Answer» b. Coleoptera. |
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| 11. |
Before storage, moisture contents of the commodity should be--- a. 15-20% b. 20% c. 10% d. 14% |
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Answer» Before storage, moisture contents of the commodity should be 10% |
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| 12. |
Lack of insect infestation, or injury to the host plant because of transitory circumstances such as incomplete infestation is referred as a. Host Evasion b. Escape c. Induced Resistance d. None of all |
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Answer» b . Escape. |
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| 13. |
If a population's intrinsic rate of increase ("r") is less than one, then the population is: a. Growing rapidly b. Stable c. Growing slowly d. Declining |
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Answer» If a population's intrinsic rate of increase ("r") is less than one, then the population is Growing slowly. |
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| 14. |
Study of ticks and mites is ……(a) Acarology (b) Entomology(c) Malacology (d) Carcinology |
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Answer» Correct Answer is; (a) Acarology |
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| 15. |
At ----------- moisture contents the rates of development of stored grain insect populations are slow a. High b. Optimum c. Low d. All of them |
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Answer» At Low moisture contents the rates of development of stored grain insect populations are slow |
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| 16. |
Examples of some density-independent mortality factors in insect populations are: a. Predators, parasitoids, and pathogens. b. Predators, chemical insecticides, and intraspecific competition. c. Chemical insecticides, hurricanes, and temperature extremes (i.e., hot and cold) d. Chemical insecticides, flooding, and intraspecific competition. e. Chemical insecticides, flooding, and predators. |
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Answer» c. Chemical insecticides, hurricanes, and temperature extremes (i.e., hot and cold) |
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| 17. |
Which of the following responses occur when predators interact with prey populations? a. A numerical response. b. A functional response. c. A lag effect. d. a., b. and c.. e. a. and b. only |
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Answer» A numerical response. & A functional response. |
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| 18. |
What was utilized around the light source to enhance the signal?(a) Photodiodes(b) Optical Shied(c) Ceramic Substrate(d) Red and infrared LED’s |
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Answer» Right option is (a) Photodiodes For explanation: However, in comparison to transmission, the reflection pulse oximeter has poorer signal-to noise ratio. Mendelson et al (1988) utilized multiple photodiodes around the light source to enhance signal level. |
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| 19. |
The average population density of an insect population over a long period of time. a. Toxicity level b. Economic threshold level c. Economic injury level d. None of above |
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Answer» d. None of above |
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| 20. |
Mites and ticks are collectively called a. Insects b. Mammals c. Ccari |
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Answer» Mites and ticks are collectively called Crustacea. |
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| 21. |
Different populations of an insect specie that vary in their virulence to a cultivar are referred to as: a. Pathotype b. Biotype c. Paratype d. All of them |
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Answer» Different populations of an insect species that vary in their virulence to a cultivar are referred to as Biotype. |
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| 22. |
Insect blood does not: a. Clot b. Flow through the wings c. Contain antibodies d. Transport hormones |
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Answer» Insect blood does not Flow through the wings. |
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| 23. |
Which order is not holometabolous? a. Siphonaptera b. Hymenoptera c. Thysanoptera d. Neuroptera |
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Answer» Siphonaptera is not holometabolous. |
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| 24. |
Name few horticultural crops. |
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Answer» Names of horticultural crops are:
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| 25. |
Damage symptoms of the Chilo infuscatellus a. Bunchy top b. Dead hearts pulled easilyc. Spiral galleries d. Dead hearts can not pulled easily |
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Answer» b. Dead hearts pulled easily |
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| 26. |
In insects, the first pair of post-oral appendages are called mandibles. What are these appendages called in Arachnids?a. Maxillaeb. Walking legsc. Antennaed. Chelicerae |
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Answer» d. Chelicerae |
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| 27. |
Which insects would be classified as decomposers? a. Termites b. Thrips c. Crickets d. Stoneflies |
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Answer» Termites insects would be classified as decomposers. |
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| 28. |
Which insects do NOT damage horticultural crops (as immatures)? a. Sawflies b. Whiteflies c. Butterflies d. Caddisflies |
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Answer» Caddisflies insects do NOT damage horticultural crops (as immatures). |
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| 29. |
Aquatic immatures of All holometabolous insects are known as: a. Nymphs b. Larvae c. Naiads d. Young |
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Answer» Aquatic immatures of All holometabolous insects are known as Larvae. |
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| 30. |
Immatures of the Neuroptera would be classified as: a. Scavengers b. Parasites c. Herbivores d. Predators |
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Answer» Immatures of the Neuroptera would be classified as Predators. |
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| 31. |
Which class is most closely related (phylogenetically) to the Insecta? a. Xiphosura b. Myriapoda c. Crustacea d. Arachnida |
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Answer» Arachnida class is most closely related (phylogenetically) to the Insecta. |
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| 32. |
Insects which develop their wings externally belong to the class a. Exopterygota b. Endopterygota c. Apterygota d. None of them e. All above |
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Answer» a. Exopterygota |
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| 33. |
What do the orders Mantodea, Dermaptera, and Isoptera have in common? a. Winglessness b. Chewing mouthparts c. Herbivory d. All of these |
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Answer» b. Chewing mouthparts |
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| 34. |
Which orders are most important in the transmission of human disease? a. Phasmatodea and Odonata b. Hymenoptera and Siphonaptera c. Diptera and Phthiraptera d. Hemiptera and Thysanoptera |
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Answer» c. Diptera and Phthiraptera |
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| 35. |
The class insecta is divided into _______ subclasses. a. 2. b. 3 c. 4 d. None |
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Answer» The class insecta is divided into 2 subclasses. |
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| 36. |
Cotton jassid belongs to _______________ order of class insecta. a. Homoptera b. Thysanoptera c. Coleoptera d. Orthoptera |
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Answer» Cotton jassid belongs to Homoptera order of class Insecta. |
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| 37. |
Insects belong to the class a. Insecta b. Pauropoda c. Symplyla d. Crustacea e. Octapoda |
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Answer» Insects belong to the class Insecta. |
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| 38. |
Which insect order is most closely related to Dermaptera? a. Hymenoptera b. Orthoptera c. Plecoptera d. Thysanura |
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Answer» Thysanura is most closely related to Dermaptera. |
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| 39. |
A naiad is best described as a(n): a. Predatory larva b. Wingless adult c. Aquatic nymph d. Scavenger |
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Answer» A naiad is best described as Aquatic nymph. |
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| 40. |
Which order is most closely related to Dermaptera? a. Isopterab. Mecoptera c. Psocoptera d. Coleoptera |
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Answer» Isoptera is most closely related to Dermaptera. |
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| 41. |
Chelicerate arthropods include: a. Millipedes and centipedes b. Lobsters and shrimp c. Spiders and ticks d. Lice and fleas |
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Answer» Chelicerate arthropods include Spiders and ticks. |
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| 42. |
Pantala spp. belong to the family________ a. Libellulidaeb. Aeshnidaec. Gomphidaed. None |
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Answer» a. Libellulidae |
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| 43. |
A variety which a specific insect never consume or injure under any known condition is a ----------variety.a. Resistant b. Immune c. Susceptible d. Highly resistant |
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Answer» A variety which a specific insect never consume or injure under any known condition is a Immune variety. |
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| 44. |
Insect living in fresh water or extremely moist environment excrete their nitrogen waste in the form of a. Nitric Acid b. Ammonia c. Nitrogen d. Uric acid |
| Answer» b. Ammonia. | |
| 45. |
The outerlayer of insect body comprising epidermis and cutie a. Ecdysis b. Integument c. Apolysis d. Hydrolysis |
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Answer» b. Integument |
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| 46. |
Which statement is true for all crustacea? a. They live on land b. They have chewing mouthparts c. They have six walking legs d. They are paleopterous |
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Answer» They have chewing mouthparts is true for all crustacea. |
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| 47. |
Dragonflies belong to the suborder __________ a. Anisopterab. Zygopterac. Anisozygopterad. None. |
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Answer» Dragonflies belong to the suborder Anisoptera. |
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| 48. |
Cerci asymmetrical in a. Web spinner b. Ear wig c. Grouse locust d. Thrips |
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Answer» a. Web spinner |
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| 49. |
Which insect order is never associated with plants? a. Hymenoptera b. Thysanoptera c. Hemiptera d. Siphonaptera |
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Answer» Siphonaptera is never associated with plants. |
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| 50. |
The family lepismatidae belongs to the suborder _______. a. Microcoryphia. b. Zygentoma c. Dicellurata. d. None |
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Answer» b. Zygentoma |
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