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Study the given word grid carefully. What is the number of natural fibres and synthetic fibres, hidden in the grid?

Find the missing number in the adjoining number pattern.

(A) 9769

(B) 9794

(C) 8976

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.

Preeti burnt a fibre X. She found that X is selfextinguishing and leaves a dull black bead which crushes easily to powder. Which of the following could be fibre X?

AWool
BSilk
CNylon
DBoth A and B

Refer to the given food chain.

With respect to it which of the following graphs correctly shows the relationship of caterpillar and bird populations if X is introduced in the given food chain which exclusively feeds on bird?


A
B
C
D

Siddhi took some plasticine and shaped it into object X. She reshaped the same piece of plasticine into object Y. We can conclude that both objects have the same _________.


A P and Q only
B P and R only
C Q and R only
D P, Q and R

Mercury melts at -39°C and boils at 357°C. Alcohol melts at -115°C and boils at 78°C. At which temperature are both substances in liquid state?

A-49°C
B-15°C
C100°C
D360°C

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.

Feeling the tremors of an earthquake, a scared resident of thirteenth floor of a multistoreyed building starts climbing down the stairs rapidly. Which hormone initiated this action?

A Oxytocin
B Thyroxine
C Adrenaline
D Progesterone