MCQOPTIONS
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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 a healthy adult man the normal diastolic pressure is ? |
| A. | 80 mm Hg |
| B. | 100 mm Hg |
| C. | 90 mm Hg |
| D. | 120 mm Hg |
| Answer» B. 100 mm Hg | |
| 2. |
Grafting is successful in dicots but not in monocots because the dicots have ? |
| A. | cork cambium |
| B. | vessels with elements arranged end to end |
| C. | cambium for secondary growth |
| D. | vascular bundles arranged in a ring |
| Answer» D. vascular bundles arranged in a ring | |
| 3. |
In which one pair both the plants can be vegetatively propagated by leaf pieces ? |
| A. | Agave and Kalanchoe |
| B. | Asparagus and Bryophyllum |
| C. | Chrysanthemum and Agave |
| D. | Bryophyllum and Kalanchoe |
| Answer» E. | |
| 4. |
Double fertilization involves ? |
| A. | Fertilization of the egg by two male gametes. |
| B. | Fertilization of the egg and the central cell by two sperms brought by different pollen tubes |
| C. | Fertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube |
| D. | Fertilization of the egg and the central cell by two sperms brought by the same pollen tube |
| Answer» C. Fertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube | |
| 5. |
Consider the following statements and chose the correct option (a) The genetic constitution of a plant is unaffected in vegetative propagation(b) Rhizome in ginger serves as an organ of vegetative reproduction(c) Totipotency of cells enables us to micropropagate plants? |
| A. | Statements (a) and (b) alone are true |
| B. | All the three statements (a), (b) and (c) are true |
| C. | Statements (b) and (c) alone are true |
| D. | Statements (b) alone is true |
| Answer» C. Statements (b) and (c) alone are true | |
| 6. |
There are 10 flowers in one individual plant of Crotalaria. In each microsporangium of every stamen of all the flowers, there are 30 microspore mother cells. How many pollen grains are formed from that plant? |
| A. | 24,000 |
| B. | 48,000 |
| C. | 10,000 |
| D. | 4,000 |
| Answer» C. 10,000 | |
| 7. |
The pollen are liberated in Cassytha by ? |
| A. | Transverse dehiscence |
| B. | Porous dehiscence |
| C. | Valvular dehiscence |
| D. | Longitudinal dehiscence |
| Answer» D. Longitudinal dehiscence | |
| 8. |
Plants with ovaries having only one or a few ovules, are generally pollinated by ? |
| A. | Birds |
| B. | Bees |
| C. | Butterflies |
| D. | Wind |
| Answer» E. | |
| 9. |
Sporopollenin is chemically ? |
| A. | Protein |
| B. | Fatty substance |
| C. | Homopolysaccharide |
| D. | Heteropolysaccharide |
| Answer» C. Homopolysaccharide | |
| 10. |
Ovule is attached to the placenta of ovary wall by ? |
| A. | Funicle |
| B. | Raphae |
| C. | Testa |
| D. | Hilum |
| Answer» B. Raphae | |
| 11. |
Ornithophily refers to the pollination by which of the following ? |
| A. | Snails |
| B. | Insects |
| C. | Birds |
| D. | Air |
| Answer» D. Air | |
| 12. |
What is the ratio of equational divisions that take place in Cycas and angiosperms respectively leading to the formation of male gametes from pollen grains? |
| A. | 2 : 1 |
| B. | 3 : 2 |
| C. | 2 : 3 |
| D. | 3 : 1 |
| Answer» B. 3 : 2 | |
| 13. |
Vernalisation stimulates flowering in ? |
| A. | Turmeric |
| B. | Carrot |
| C. | Elephant yam |
| D. | Ginger |
| Answer» C. Elephant yam | |
| 14. |
In the fully organized polygonum type of embryo sac, what is the ratio of haploid, diploid and triploid nuclei? |
| A. | 3 : 1 : 3 |
| B. | 6 : 1 : 0 |
| C. | 6 : 0 : 1 |
| D. | 3 : 2 : 3 |
| Answer» C. 6 : 0 : 1 | |
| 15. |
The Input Used By An Antenna Or Cable To A TV Set Freq. called ? |
| A. | RF |
| B. | IF |
| C. | SAP |
| D. | AF |
| Answer» B. IF | |
| 16. |
ETis a type of transistor, Its full name is ________ Effect Transistor...? |
| A. | Flash |
| B. | Force |
| C. | Field |
| D. | Factor |
| Answer» D. Factor | |
| 17. |
Which among the following is the most urbanized state ? |
| A. | Punjab |
| B. | Madhya pradesh |
| C. | Haryana |
| D. | Uttar pradesh |
| Answer» B. Madhya pradesh | |
| 18. |
The oceans' temperature change much more slowly than the atmosphere's temperature because... |
| A. | water is denser than air |
| B. | oceans have much more dissolved gases |
| C. | air is denser than water |
| D. | None of these |
| Answer» B. oceans have much more dissolved gases | |
| 19. |
There is an urgent need for setting up more atomic power stations in India, mainly because |
| A. | large areas of the country do not have coal |
| B. | petroleum are not enough |
| C. | enough uranium and thorium deposits are available |
| D. | None of these |
| Answer» B. petroleum are not enough | |
| 20. |
Formation of a rift valley is due to? |
| A. | the subsidence of the floor of a river valley |
| B. | the over-deepening of a valley by ice action |
| C. | the formation of fold mountains |
| D. | the forces of tension on the earth's crust |
| Answer» E. | |
| 21. |
In India, largest proportion of intra-state migration belongs to |
| A. | rural to rural migration |
| B. | urban to urban migration |
| C. | rural to urban migration |
| D. | urban to rural migration |
| Answer» D. urban to rural migration | |
| 22. |
The shortest day (longest night ) in the southern Hemisphere is |
| A. | December 22 |
| B. | June 21 |
| C. | June 20 |
| D. | December 21 |
| Answer» C. June 20 | |
| 23. |
The Siwalik Hills have been made out of the debris coming from the.... |
| A. | Ganga valley |
| B. | Himalayas |
| C. | southern Peninsula |
| D. | Sutlej valley |
| Answer» C. southern Peninsula | |
| 24. |
Rana Pratap Sagar is located in |
| A. | Bihar |
| B. | Rajasthan |
| C. | Madhya pradesh |
| D. | Uttar pradesh |
| Answer» C. Madhya pradesh | |
| 25. |
Which one of the following factors is responsible for excessive soil erosion in Chhotanagpur plateau? |
| A. | large scale felling of trees |
| B. | heavy rain throughout the year |
| C. | loose sandy soil |
| D. | deep ploughing by tractors |
| Answer» B. heavy rain throughout the year | |
| 26. |
The earth is divided into time zones for the purpose of |
| A. | maintaining same time |
| B. | maintaining a standard time system |
| C. | both are incorrect |
| D. | both are correct |
| Answer» C. both are incorrect | |
| 27. |
Tamil Nadu coast receives rainfall during...... |
| A. | retreating southwest monsoon season |
| B. | northeast monsoon season |
| C. | southwest monsoon season |
| D. | None of these |
| Answer» B. northeast monsoon season | |
| 28. |
The velocity of flow of glacier ice defends upon.... |
| A. | temperature and thickness of the ice |
| B. | gradient of the valley floor |
| C. | construction caused by the valley walls |
| D. | all the correct |
| Answer» E. | |
| 29. |
' sal' trees are concentrated in |
| A. | Rajasthan |
| B. | Bihar Madhya pradesh and Orissa |
| C. | Assam |
| D. | Bihar |
| Answer» D. Bihar | |
| 30. |
When only a part of the moon enters the umbra of the Earth's shadow, leaving a portion of the moon in total darkness : |
| A. | partial solar eclipse occurs |
| B. | total lunar eclipse occurs |
| C. | total solar eclipse occurs |
| D. | partial lunar eclipse occurs |
| Answer» E. | |
| 31. |
Ships are repaired mainly at |
| A. | Madras |
| B. | Goa |
| C. | Mazgaon Dock at Bombay |
| D. | Vishakhapatnam |
| Answer» D. Vishakhapatnam | |
| 32. |
Which one of the following is at the lowest height above the Mean Sea Level? |
| A. | Kota |
| B. | Delhi |
| C. | Jodhpur |
| D. | Nagpur |
| Answer» C. Jodhpur | |
| 33. |
The alluvial soils of the Gangetic valley are described as.... |
| A. | azonal |
| B. | zonal |
| C. | intrazonal |
| D. | none of the above |
| Answer» B. zonal | |
| 34. |
Which one of the following states does not form part of the Narmada basin ? |
| A. | Maharashtra |
| B. | Gujarat |
| C. | Rajasthan |
| D. | Madhya pradesh |
| Answer» D. Madhya pradesh | |
| 35. |
Which of the following industrial towns is located on the chhotanagpur Plateau ? |
| A. | Ranchi |
| B. | Bihar |
| C. | Asasol |
| D. | Durgapur |
| Answer» B. Bihar | |
| 36. |
Usually the sites of deposition of oceans are..... |
| A. | sea cliffs |
| B. | sea arches |
| C. | bay |
| D. | headlands |
| Answer» D. headlands | |
| 37. |
In deciding the climate the significant factor is the.... |
| A. | latitude |
| B. | terrain |
| C. | altitude |
| D. | angle of sun's rays |
| Answer» B. terrain | |
| 38. |
Lines joinnig places of equal temprature are called |
| A. | isomere |
| B. | isobars |
| C. | isotherms |
| D. | isohytes |
| Answer» D. isohytes | |
| 39. |
Who gave three laws of current? |
| A. | Newton |
| B. | Einsteen |
| C. | Kirchouff |
| D. | Gaurden |
| Answer» D. Gaurden | |
| 40. |
Unit of flux |
| A. | Amp- turns |
| B. | Weber |
| C. | Volts |
| D. | Amps |
| Answer» C. Volts | |
| 41. |
Peak Resistance of the diode is increased when |
| A. | Forward biased |
| B. | Reverse biased |
| C. | Both forward and reverse biased |
| D. | Either a or b |
| Answer» C. Both forward and reverse biased | |
| 42. |
The number of lines of force passing through the secondary coil S when unit current changes in the primary coil P are called |
| A. | Self inductance |
| B. | Mutual inductance |
| C. | Self induction |
| D. | Mutual induction |
| Answer» D. Mutual induction | |
| 43. |
Expression for magneto-motive force is |
| A. | N/I |
| B. | 1/NI |
| C. | I/N |
| D. | IN |
| Answer» E. | |
| 44. |
Magnetic field strength is equal to |
| A. | mmf. L |
| B. | L/ mmf |
| C. | mmf/ L |
| D. | 1/mmf.L |
| Answer» D. 1/mmf.L | |
| 45. |
Peak inverse voltage of bridge rectifier is as that of centre-tap circuit. |
| A. | Same |
| B. | Twice |
| C. | Half |
| D. | Four times |
| Answer» D. Four times | |
| 46. |
Unit of mmf is |
| A. | Ampere /Volt |
| B. | Ampere- turns |
| C. | Volt |
| D. | Volt/Ampere |
| Answer» C. Volt | |
| 47. |
The on-line UPS is also called as |
| A. | Stand-by UPS |
| B. | Line Interactive UPS |
| C. | Off line UPS |
| D. | Current line UPS |
| Answer» C. Off line UPS | |
| 48. |
The supply voltage varies sinusoid ally and has a frequency __________ Hz. |
| A. | 60 |
| B. | 50 |
| C. | 20 |
| D. | 10 |
| Answer» C. 20 | |
| 49. |
________ is used to convert alternating current to direct current. |
| A. | Transformer |
| B. | Diode |
| C. | Resistor |
| D. | Transistor |
| Answer» C. Resistor | |
| 50. |
The close path of the flux around any current carrying circuit is referred as Circuit. |
| A. | Magnetic |
| B. | Electric |
| C. | Electromagnetic |
| D. | None |
| Answer» B. Electric | |