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. |
Man-made fertilizers which are produced from chemicals are called |
| A. | organic fertilizers |
| B. | inorganic fertilizers |
| C. | low fertilizers |
| D. | complex fertilizers |
| Answer» C. low fertilizers | |
| 2. |
Insectivorous plants usually grow in soil with poor nutrients hence they get nutrients to grow healthily by |
| A. | trapping an insect |
| B. | absorbing more water |
| C. | movement of leaves |
| D. | opening stomata |
| Answer» B. absorbing more water | |
| 3. |
Tiny opening are present on surface of a leaf and are known as |
| A. | stomata |
| B. | pores |
| C. | openings |
| D. | canals |
| Answer» B. pores | |
| 4. |
During photosynthesis oxygen is produced which is used for essential life processes called |
| A. | respiration |
| B. | excretion |
| C. | digestion |
| D. | perspiration |
| Answer» B. excretion | |
| 5. |
The process by which plants make their own food by using sunlight is called |
| A. | respiration |
| B. | photosynthesis |
| C. | production |
| D. | oxygen production |
| Answer» C. production | |
| 6. |
There are some carnivorous plants also called as |
| A. | insectivorous |
| B. | herbivores |
| C. | omnivores |
| D. | carnivores |
| Answer» B. herbivores | |
| 7. |
Starch is stored in plants in |
| A. | roots and stem |
| B. | fruits and seeds |
| C. | both a and b |
| D. | flowers |
| Answer» D. flowers | |
| 8. |
Plants whose roots are immersed in solutions which are nutritiously rich are |
| A. | hydroponics |
| B. | aeroponics |
| C. | both a and b |
| D. | none |
| Answer» B. aeroponics | |
| 9. |
Food produced by farms without using chemical fertilizers and pesticides are called |
| A. | organic food |
| B. | solid food |
| C. | good food |
| D. | inorganic food |
| Answer» B. solid food | |
| 10. |
The stem of plant make food instead of leaves if they lack leaves like |
| A. | cactus |
| B. | apple tree |
| C. | rose plant |
| D. | conifers |
| Answer» B. apple tree | |
| 11. |
Partially or sometimes wholly decayed animals or plants dead bodies is called |
| A. | humus |
| B. | loam |
| C. | clay |
| D. | compost |
| Answer» B. loam | |
| 12. |
Very less plants grow in clay because it has low |
| A. | air content |
| B. | sand particles |
| C. | water content |
| D. | oxygen |
| Answer» B. sand particles | |
| 13. |
A plant having two halves which snap shut on contact with an insect is |
| A. | rose |
| B. | jasmine |
| C. | pitcher plant |
| D. | Venus fly trap |
| Answer» E. | |
| 14. |
Plants which are insectivorous needs insects to feed on because it need |
| A. | water |
| B. | nutrients |
| C. | air |
| D. | oxygen |
| Answer» C. air | |
| 15. |
The types of fertilizers involves |
| A. | organic fertilizers |
| B. | inorganic fertilizers |
| C. | both a and b |
| D. | complex fertilizers |
| Answer» D. complex fertilizers | |
| 16. |
The roots are sprayed with nutrient rich solutions in plants that are |
| A. | hydroponics |
| B. | aeroponics |
| C. | both a and b |
| D. | none |
| Answer» C. both a and b | |
| 17. |
Rice grow best in |
| A. | sandy soil |
| B. | clayey soil |
| C. | loamy soil |
| D. | potting mix |
| Answer» C. loamy soil | |
| 18. |
In pitcher plant animal fall into pitcher which is shape of leaves like a jug and digested by plants with help of |
| A. | digestive juices |
| B. | swallowing |
| C. | throwing out |
| D. | poisoning |
| Answer» B. swallowing | |
| 19. |
Plants need nutrients for good growth one way to provide them is by adding |
| A. | fertilizers |
| B. | water |
| C. | another soil |
| D. | chemicals |
| Answer» B. water | |
| 20. |
For plants mineral salts has importance as |
| A. | nutrients |
| B. | water |
| C. | oxygen |
| D. | soil |
| Answer» B. water | |
| 21. |
Plants prepare their food in the form of |
| A. | sugar |
| B. | carbohydrates |
| C. | proteins |
| D. | vitamins |
| Answer» B. carbohydrates | |
| 22. |
Clayey soil has tendency to retain lot of water and it become |
| A. | waterlogged |
| B. | active |
| C. | water releasing |
| D. | deactivate |
| Answer» B. active | |
| 23. |
Chemical fertilizers is mostly made with various mineral salts which are essential for plant |
| A. | growth |
| B. | development |
| C. | good fruit |
| D. | all of them |
| Answer» E. | |
| 24. |
To hear sound, the ear has to do |
| A. | direct the sound waves into the hearing part of the ear |
| B. | sense the fluctuations in air pressure |
| C. | translate these fluctuations into an electrical signal that the brain can understand |
| D. | all of them |
| Answer» E. | |
| 25. |
Taste buds are located on |
| A. | tongue |
| B. | jaws |
| C. | gums |
| D. | palate |
| Answer» B. jaws | |
| 26. |
The circular opening in the eye is known as |
| A. | cornea |
| B. | pupil |
| C. | retina |
| D. | iris |
| Answer» C. retina | |
| 27. |
Tears are useful because they help in |
| A. | keeping them from drying out |
| B. | Keeping dust or other particles out |
| C. | Washing away germs |
| D. | all of them |
| Answer» E. | |
| 28. |
The maximum thickness of the skin under feet is |
| A. | 4 mm |
| B. | 2 mm |
| C. | 6 mm |
| D. | 8 mm |
| Answer» D. 8 mm | |
| 29. |
Taste cells on our tongue that receive the stimulation of taste are known as |
| A. | taste buds |
| B. | cotton buds |
| C. | receptors |
| D. | tube |
| Answer» B. cotton buds | |
| 30. |
The image cast on our retinas is |
| A. | three-dimensional |
| B. | two-dimensional |
| C. | four-dimensional |
| D. | three dimensional |
| Answer» B. two-dimensional | |
| 31. |
The inner lining at the back of the eye is known as |
| A. | retina |
| B. | iris |
| C. | lens |
| D. | cornea |
| Answer» B. iris | |
| 32. |
The outer protective covering of human body is known as |
| A. | receptor |
| B. | skin |
| C. | layer |
| D. | sensory cell |
| Answer» C. layer | |
| 33. |
The organs that build sense of balance are known as |
| A. | respiratory system |
| B. | auditory system |
| C. | vestibular system |
| D. | digestive system |
| Answer» D. digestive system | |
| 34. |
The organ that helps purify air and take it in is |
| A. | nose |
| B. | tongue |
| C. | eyes |
| D. | palate |
| Answer» B. tongue | |
| 35. |
The function of skin is to |
| A. | protects us from microbes and the elements |
| B. | helps regulate body temperature |
| C. | permits the sensations of touch |
| D. | all of them |
| Answer» E. | |
| 36. |
To correct the dizziness of the eye, people wear |
| A. | hats |
| B. | goggles |
| C. | glasses |
| D. | binocular |
| Answer» D. binocular | |
| 37. |
Any change that causes an organism to react is known as |
| A. | stimulus |
| B. | sensor |
| C. | reflex |
| D. | sense |
| Answer» B. sensor | |
| 38. |
The sense organ that feels the touch, the cold and the hotness is known as |
| A. | ear |
| B. | skin |
| C. | eye |
| D. | taste |
| Answer» C. eye | |
| 39. |
A panda feed itself on |
| A. | plants |
| B. | bamboo |
| C. | other animals |
| D. | insects |
| Answer» C. other animals | |
| 40. |
Polar bears live in habitat of |
| A. | Arctic Ocean |
| B. | Indian ocean |
| C. | Pacific ocean |
| D. | Atlantic Ocean |
| Answer» B. Indian ocean | |
| 41. |
The main source of energy for every living thing is |
| A. | sun |
| B. | minerals |
| C. | carbohydrates |
| D. | all of them |
| Answer» B. minerals | |
| 42. |
Energy and nutrients are provided to animals by mostly |
| A. | plants |
| B. | animals |
| C. | small animals |
| D. | birds |
| Answer» B. animals | |
| 43. |
The smaller decomposed materials contain nutrients for |
| A. | animals |
| B. | plants |
| C. | birds |
| D. | mud |
| Answer» C. birds | |
| 44. |
An infection occurs when an organism, i.e. the parasite, is found in its |
| A. | guest |
| B. | host |
| C. | ectoparasite |
| D. | camouflage |
| Answer» C. ectoparasite | |
| 45. |
The availability of nutrients and water are dependent on soil texture which can be |
| A. | sandy |
| B. | silt |
| C. | clay |
| D. | all of them |
| Answer» E. | |
| 46. |
An organism that breaks down dead decaying organisms into smaller particles is known as |
| A. | scavengers |
| B. | omnivores |
| C. | decomposer |
| D. | detritivores |
| Answer» D. detritivores | |
| 47. |
Some species of Rafflesia are as big as |
| A. | 90 cm across |
| B. | 80 cm across |
| C. | 70 cm across |
| D. | 60 cm across |
| Answer» B. 80 cm across | |
| 48. |
Host benefits from having parasites cleaned from her body, in relationship of oxpecker and |
| A. | lion |
| B. | whelk |
| C. | herbivores |
| D. | mammal |
| Answer» E. | |
| 49. |
The largest individual flower is |
| A. | Daisy |
| B. | Rafflesia |
| C. | Violet |
| D. | Rose |
| Answer» C. Violet | |
| 50. |
The number of species of plants a rainforest contains is approximately |
| A. | 12000 |
| B. | 11000 |
| C. | 10000 |
| D. | 14000 |
| Answer» D. 14000 | |