Science Biology Multiple Choice Questions and Answers - General Knowledge Quiz - Page 5

General Knowledge : Biology (Page 5)

(Showing: 41 - 50 out of 65 MCQs)

General knowledge Biology Questions and Answers. Read these Biology quiz questions based on NCERT Book for SSC CGL 2016 Exam and other similar examinations.

41. The Phylloclade commonly found in xerophytic plants is the modified ?
[A] stem
[B] roots
[C] leaf
[D] flower
42. Which one of the following has haustoria or sucking roots ?
[A] Orchids
[B] Mango
[C] Chestnut
[D] Cuscuta
43. Potatoes are borne on ?
[A] Primary roots
[B] Stem branches
[C] Lateral roots
[D] Adventitious roots
44. Kidney stones are mainly formed by which of the following compound ?
[A] Sodium chloride
[B] Silicates
[C] Calcium bicarbonate
[D] Calcium Oxalate
45. The most advanced evolutionary inflorescent is found in ?
[A] Dahlia
[B] Calotropis
[C] Saliva
[D] Yucca
46. How do marine animals survive in water without air contact ?
[A] They do not require any oxygen
[B] They take oxygen from water
[C] They only produce oxygen in their body
[D] They get oxygen from water plants
47. Movement of cell against concentration gradient is called
[A] osmosis
[B] active transport
[C] diffusion
[D] passive transport
48. Pollination is best defined as
[A] transfer of pollen from anther to stigma
[B] germination of pollen grains
[C] growth of pollen tube in ovule
[D] visiting flowers by insects
49. Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
[A] angiosperms
[B] gymnosperms
[C] monocotyledons
[D] dicotyledons
50. Ozone hole refers to
[A] hole in ozone layer
[B] decrease in the ozone layer in troposphere
[C] decrease in thickness of ozone layer in stratosphere
[D] increase in the thickness of ozone layer in troposphere

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LOVEMORE BIWAL 2 months ago Reply

helpful so much hop will improve my bio knowledge

Besong Ernest 2 months ago Reply

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