Question 41. Bionics is the science of
1.Application of mathematics to the study of living things.
2.Application of the knowledge of the living world characteristics to the world of machines.
3.Study of relation of an organism to its environment.
4.Study of laws of life.

Question 42. Match List I with List II and select the correct answer using the codes given below.
List I                                           List II
A.Apiculture                                1. Grape vines
B.Silviculture                               2. Fish
C.Viticulture                                3. Honey bees
D.Pisciculture                               4. Forest trees

Question 43. Match List I with List II and select the correct answer using the codes given below.
List I                                                                List II
(Tree)                                                             (Product)
A.Cinchona                                                          1. Coir
B.Rubber                                                              2. Quinine
C.Coconut                                                            3. Latex
D.Acacia                                                              4. Tannin

Question 44. Match List I with List II and select the correct answer using the codes given below.
List I                                                              List II
A.Cell theory in plants                               1. Robert Hooke
B.Cell theory in animals                             2. M. J. Scheleiden
C.Cork material composed of cells            3. Robert Brown
D.Discovered the nucleus in cell                4. Theodore schewann

Question 45. Consider the following statements about antigens
1.They induce the formation of antibodies.
2.They provide immunity.
3.They are formed only within the body.
4.Of these statements, the correct ones are

Question 46. The deficiency of which one of the following gives rise to a disease characterised by oedema, subcutaneous haemorrhages, anaemia and pathological changes in the teeth and gums?

Question 47. Match List I with List II and select the correct answer using the codes given below.
List I (Plant)                                              List II (Medicinal Value)
A.Vasaka                                                        1. To cure leprosy
B.Chalmogra                                                     2. To lower high blood pressure
C.Isabgol                                                          3. to cure bronchitis
D.Rauwalfia                                                     4. in chronic dysentery

Question 48. Match the following
1.Plant typeHabitat
2.Shoulder and Joints1. Ball and socket joints
3.Ankle, Knee and elbow joints2. Hinge joints
4.Toe bones3. Elipsoid joints
5.Bones in palm4. Gliding joints

Question 49. Match List I with List II and select the correct answer using the codes given below:
List I                                             List II
A.Lemons                                       1. Alginic acid
B.Seaweeds                                   2. Acetic acid
C.Grapes                                        3. Tartaric acid
D.Vinegar                                       4. Citric acid

Question 50. Which of the following is/are true of fertilizer?
1.It supplies nutrients to the plants.
2.It kills the pests.
3.It produces plant growth hormones.
4.It adjusts the soil pH and increases the crop yield.