Refer to the given diseases.
|(i) Athlete's foot||(ii) Amoebic dysentery|
|(iii) Polio||(iv) Cholera|
|(v) Malaria||(vi) Measles|
|(vii) Pyorrhea||(viii) Ringworm|
|(ix) Typhoid||(x) Tuberculosis|
Select the option which correctly identifies bacterial diseases (P), viral diseases (Q), protozoan diseases (R) and fungal diseases (S).
|A||(iii), (iv), (vi)||(ix), (x)||(i), (ii), (v)||(vii), (viii)|
|B||(iii), (vi), (x)||(iv), (ix)||(ii), (v), (viii)||(i), (vii)|
|C||(iv), (vii) (ix), (x)||(iii), (vi)||(ii), (v)||(i), (viii)|
|D||(iv), (vi), (x)||(iii), (ix)||(ii), (v), (vii)||(i), (viii)|
Study the given word grid carefully. What is the number of natural fibres and synthetic fibres, hidden in the grid?
|Natural fibres||Synthetic fibres|
Select the option that correctly fills up the blanks in any two of the given statements.
P. In plants with tap root, the leaves have mostly __(i)__ venation and in plants with fibrous roots, the leaves have mostly __(ii)__ venation.
Q. Some plants have small openings called __(i)__ on the lower surface of the leaves, which help in __(ii)__.
R. Leaves are modified into __(i)__ that help the plant to attach itself to a support, while __(ii)__ are modified leaves, that reduce the amount of water lost from the plant.
AP (i) parallel, (ii) reticulate; Q (i) stomata, (ii) gaseous exchange
BQ (i) stomata, (ii) water absorption; R (i) tendrils, (ii) spines
CP (i) reticulate, (ii) parallel; Q (i) stomata, (ii) gaseous exchange
DP (i) parallel, (ii) reticulate; R (i) tendrils, (ii) spines
Study the following table and select the correct option regarding P, Q, R and S.
AOrganism P can also respire through its buccopharyngeal cavity.
BOrganism Q could be a frog or an earthworm.
COrganism R can be Hydrilla or Vallisneria.
DRespiratory structure S is also found in scoliodon and whale.