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.
Read the given statements and select the correct option.
Statement 1 : Concave mirrors are used in torches and car headlights.
Statement 2 : Concave mirrors converge the light of the bulbs of torches and car headlights to form a beam of light.
ABoth statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.