MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In tissue culture, roots can be induced by: |
| A. | lower concentration of cytokinin and higher concentration of auxins. |
| B. | only cytokinin and no auxins. |
| C. | no cytokinin and only auxins. |
| D. | higher concentration of cytokinin and lower concentration of auxins. |
| Answer» B. only cytokinin and no auxins. | |
| 2. |
Crop plants grown in monoculture are: |
| A. | characterised by poor root system. |
| B. | highly prone to pests, |
| C. | low in yields, |
| D. | free from intraspecific competition. |
| Answer» C. low in yields, | |
| 3. |
Rinderpest in cattle and Ranikhet in poultry are: |
| A. | Both bacterial diseases |
| B. | Both viral diseases |
| C. | One protozoan and other viral disease |
| D. | One viral and other bacterial disease |
| Answer» C. One protozoan and other viral disease | |
| 4. |
The most common species for bee-keeping in India is: |
| A. | Apis florae |
| B. | Apis mellifera |
| C. | Apis dorsata |
| D. | Apis indica |
| Answer» E. | |
| 5. |
The world's highly priced wool yielding 'Pashmina' breed is: |
| A. | Goat |
| B. | Sheep |
| C. | Goat-sheep cross |
| D. | Kashmir sheep-Afghan sheep cross |
| Answer» B. Sheep | |
| 6. |
Sugar yielding part of Beta vulgaris is |
| A. | Leaf |
| B. | Shoot |
| C. | Root |
| D. | All the above |
| Answer» D. All the above | |
| 7. |
Wax is obtained from [J & K CET 2002] |
| A. | Jojoba |
| B. | Guayle |
| C. | Leucaena |
| D. | Subabul |
| Answer» B. Guayle | |
| 8. |
The major source of sugar in India is [MP PMT 1998] |
| A. | Solanum nigrum |
| B. | Helianthus tuberosus |
| C. | Saccharum officinarum |
| D. | None of the above |
| Answer» D. None of the above | |
| 9. |
The important source of sugar in India is |
| A. | Solanum tuberosum |
| B. | Saccharum officinarum |
| C. | Saccharum munja |
| D. | Triticum aestivum |
| Answer» C. Saccharum munja | |
| 10. |
Which one is an improved variety of wheat |
| A. | A. 77 |
| B. | Sonalika |
| C. | Chandramukhi |
| D. | Kuber |
| Answer» C. Chandramukhi | |
| 11. |
Hybridisation involves [Wardha 2005] |
| A. | Removal of stamens |
| B. | Removal of stigma |
| C. | Male sterility |
| D. | Female sterility |
| Answer» B. Removal of stigma | |
| 12. |
Emasculation is a part of [CBSE PMT 2001; JIPMER 2002; BHU 2002; MHCET 2003, 04; DPMT 2004] |
| A. | Clonal selection |
| B. | Mass selection |
| C. | Hybridization |
| D. | Pure line selection |
| Answer» D. Pure line selection | |
| 13. |
A man made allopolyploid cereal crop is [EAMCET 1995; Pb. PMT 2000, 04; BHU 2000; AIIMS 2004] |
| A. | Hordeum vulgare |
| B. | Raphano brassica |
| C. | Triticale |
| D. | Zea mays |
| Answer» D. Zea mays | |
| 14. |
The offspring from a cross between two individuals differing in at least one set of characters is called [BHU 1981] |
| A. | Polyploid |
| B. | Hybrid |
| C. | Mutant |
| D. | Variant |
| Answer» C. Mutant | |
| 15. |
First coal fields of India are those of |
| A. | Andaman and Nicobar |
| B. | Raniganj and Jharia |
| C. | Umaria and Chanda |
| D. | None of the above |
| Answer» C. Umaria and Chanda | |
| 16. |
Younger coal deposits are of the age |
| A. | Cambrian |
| B. | Silurian |
| C. | Permian |
| D. | Cretaceous |
| Answer» E. | |
| 17. |
As a result of pyrolysis, which one of the following is produced [MP PMT 1999] |
| A. | Alcohol |
| B. | Charcoal |
| C. | Charcoal and gas |
| D. | Charcoal, gas and oil |
| Answer» E. | |
| 18. |
Each coal ball is a mass of |
| A. | Calcium carbonate |
| B. | Magnesium carbonate |
| C. | Iron sulphide |
| D. | All the above |
| Answer» E. | |
| 19. |
Hemp oil is obtained from |
| A. | Leaf of Bhang |
| B. | Roots of Bhang |
| C. | Seeds of Bhang |
| D. | All the parts |
| Answer» D. All the parts | |
| 20. |
Low calories and low cholesterol found in [Orissa JEE 2005] |
| A. | Soybean oil |
| B. | Groundnut oil |
| C. | Sheesham oil |
| D. | Sunflower oil |
| Answer» E. | |
| 21. |
Essential oils are those which are [CBSE PMT 1992] |
| A. | Used in soap manufacture |
| B. | Used in perfumes |
| C. | Essential for plant producing them |
| D. | Essential for human kind |
| Answer» C. Essential for plant producing them | |
| 22. |
Pea nut or ground nut of commerce from which vegetable oil is obtained belongs to genus [BHU 1989; MP PMT 1996, 2001] |
| A. | Phaseolus aureus |
| B. | Pisum sativum |
| C. | Cajanus cajan |
| D. | Arachis hypogea |
| Answer» E. | |
| 23. |
Oil yielding plants are abundant in the family [CPMT 1983] |
| A. | Solanaceae |
| B. | Ranunculaceae |
| C. | Cruciferae |
| D. | Curcurbitaceae |
| Answer» D. Curcurbitaceae | |
| 24. |
One of the following is an oil seed crop [NCERT 1980; DPMT 1981; CBSE PMT 1993; MP PMT 2004] |
| A. | Sunflower |
| B. | Rose |
| C. | Marigold |
| D. | Chrysanthemum |
| Answer» B. Rose | |
| 25. |
Which of the following oil is drying oil |
| A. | Soybean oil |
| B. | Castor oil |
| C. | Linseed oil |
| D. | All the above |
| Answer» D. All the above | |
| 26. |
Which of the oil is useful as a leather lubricant |
| A. | Castor seed oil |
| B. | Brassica oil |
| C. | None of the above |
| D. | Linseed oil |
| Answer» C. None of the above | |
| 27. |
Which of the following is generally used for induced mutagenesis in crop plants [CBSE PMT 2005] |
| A. | X-rays |
| B. | UV (260 nm) |
| C. | Gamma rays (from cobalt 60) |
| D. | Alpha particles |
| Answer» D. Alpha particles | |
| 28. |
In which crops is the method of mass selection applied [MP PMT 1997] |
| A. | Cross-pollinated |
| B. | Self-pollinated |
| C. | Both self and cross-pollinated |
| D. | Potato and sugarcane |
| Answer» D. Potato and sugarcane | |
| 29. |
Bombay green banana cultivation is the result of [EAMCET 1995] |
| A. | Mass selection |
| B. | Pureline selection |
| C. | Clonal selection |
| D. | Natural selection |
| Answer» D. Natural selection | |
| 30. |
Four inbreed lines of maize are crossed. The cross is [EAMCET 1993] |
| A. | Tetraploid cross |
| B. | Double cross |
| C. | Dihybrid cross |
| D. | Tetrahybrid cross |
| Answer» C. Dihybrid cross | |
| 31. |
Gene mutation is [MP PMT 1988] |
| A. | Due to breeding |
| B. | Due to linkage |
| C. | Due to change in nitrogenous base sequence |
| D. | Due to change in sequence of genes present in DNA |
| Answer» D. Due to change in sequence of genes present in DNA | |
| 32. |
Synonym of pureline selection is |
| A. | Progeny selection |
| B. | Pedigree selection |
| C. | Single line selection |
| D. | All the above |
| Answer» D. All the above | |
| 33. |
What is a clone [BHU 1983] |
| A. | A heterozygote produced by sexual means |
| B. | A homozygote produced by asexual means |
| C. | A heterozygote produced by asexual means |
| D. | A homozygote produced by sexual means |
| Answer» C. A heterozygote produced by asexual means | |
| 34. |
Somatic hybridization of potato and tomato forms |
| A. | Triticale |
| B. | Pomato |
| C. | Secale |
| D. | Altonia |
| Answer» C. Secale | |
| 35. |
The morphine obtained from Opium is a [CPMT 1998] |
| A. | Latex |
| B. | Pome |
| C. | Alkaloid |
| D. | None of these |
| Answer» D. None of these | |
| 36. |
'Nagkesar' is obtained from the flowers of [MP PMT 1997] |
| A. | Mesua ferrea |
| B. | Crocus sativus |
| C. | Viola odorata |
| D. | Centella asiatica |
| Answer» B. Crocus sativus | |
| 37. |
Reserpine is used in [RPMT 1995] |
| A. | Maleria |
| B. | High blood pressure |
| C. | Asthma |
| D. | Spices |
| Answer» C. Asthma | |
| 38. |
From which part of Atropa belladona the drug 'belladona' is obtained [MP PMT 1994] |
| A. | Leaves |
| B. | Roots |
| C. | Stems |
| D. | All the parts of the plant |
| Answer» C. Stems | |
| 39. |
Narcotic and soothing properties of tobacco is due to or Harmful alkaloid contained in the leaves of tobacco is [BHU 1989; DPMT 1981; JIPMER 1983] |
| A. | Caffeine |
| B. | Aconite |
| C. | Nicotine |
| D. | Codeine |
| Answer» D. Codeine | |
| 40. |
Cinchona is a native of |
| A. | India |
| B. | China |
| C. | Indonesia |
| D. | South America |
| Answer» E. | |
| 41. |
Which is not a source of drug [NCERT 1982] |
| A. | Aconitum napellus |
| B. | Dalbergia sissoo |
| C. | Papaver somniferum |
| D. | Cannabis sativus |
| Answer» C. Papaver somniferum | |
| 42. |
Rauwolfia serpentina is termed as a snake root plant because |
| A. | It possesses venomous poison |
| B. | It smell like a snake |
| C. | It is used in snake bite |
| D. | Its roots appear snake like |
| Answer» D. Its roots appear snake like | |
| 43. |
Botanical name of 'Sukhdarshan' (Poison bulb) is |
| A. | Crinum defixum |
| B. | Adhatoda vasica |
| C. | Aloe barbedensis |
| D. | Calotropis procera |
| Answer» B. Adhatoda vasica | |
| 44. |
Botanical name of Liquorice is |
| A. | Glycyrrhiza glabra |
| B. | Cissampelos pareira |
| C. | Apium graveolens |
| D. | None of the above |
| Answer» B. Cissampelos pareira | |
| 45. |
Alkaloids emetine and cephaeline are obtained from |
| A. | Cephaelis |
| B. | Colchicum |
| C. | Exogonium |
| D. | None of the above |
| Answer» B. Colchicum | |
| 46. |
Gonorrhoea is cured by the use of |
| A. | Lectuca sativa |
| B. | Calotropis procera |
| C. | Xeromphis spinosa |
| D. | None of the above |
| Answer» D. None of the above | |
| 47. |
Children who urenate in sleep are cured by leaves of |
| A. | Emblica |
| B. | Smilax |
| C. | Asparagus |
| D. | None of the above |
| Answer» C. Asparagus | |
| 48. |
Sundew which is a medicinal plant belongs to genus |
| A. | Dionia |
| B. | Drosera |
| C. | Dryopteris |
| D. | Drymis |
| Answer» C. Dryopteris | |
| 49. |
Codeine is an alkaloid obtained from |
| A. | Papaver somniferum |
| B. | Emblica officinalis |
| C. | Carum copticum |
| D. | None of the above |
| Answer» B. Emblica officinalis | |
| 50. |
Rauwolfia serpentina which belongs to apocyanaceae yield medicine of |
| A. | Blood pressure |
| B. | Nervousness |
| C. | Insomnia |
| D. | All the above |
| Answer» E. | |