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Study the given flow chart and select the option that correctly identifies P, Q and R.

Refer to the given figures and select the incorrect statement regarding them.


AZ is an organ that receives the sperm which fertilises ovum in X.
BSecretions of both Q and Y help in development of male and female gametes, respectively.
CBoth P and W secrete hormones that control development of secondary sexual characters in males and females, respectively.
DR is an erectile organ that releases its contents into Z which also serves as birth canal during parturition.

Select the correct statement among the following.

A The European stork travels from Europe to Africa every summer.
B Arctic tern travels the longest distance among the migratory birds.
C Whales travel to cold water for reproduction and warmer water for feeding.
D Butterflies have short lifespan thus they do not migrate.

Read the given paragraph.
X and Y are the two planets of our Solar System. X is the hottest planet and is often referred to as Morning or Evening star. Surface of Y is covered by red dust so it appears red and is often referred to as Red planet.
Identify planets X and Y and select the correct option regarding them.

A X has one moon whereas Y has sixty two moons.
B Y is an inner planet made up of rocks and iron whereas X is an outer planet made up of gases.
C Indian name of X is Shukra whereas that of Y is Mangal.
D Both X and Y have rings around them but Y is the fastest spinning planet.

Read the given statements and select the correct option.
Statement 1 : During heavy physical exercise, the breathing rate of an adult human being can increase up to 25 times per minute.
Statement 2 : Faster breathing rate supplies more oxygen to the body cells for speedy breakdown of food for releasing more energy required during exercise.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.

Study the given table.

Identify cell components P-R and select the correct statement regarding them.

AP is the power house of the cell and cellular respiration takes place here.
BQ Contain enzymes that destroy the damaged or dead cells.
CR is a membrane less organelle that is present either free or attached to endoplasmic reticulum.
DNone of these

A boy stands at the point P as shown in figure. Three other persons stand at the points A, B and C. The boy is unable to see the other persons directly due to a wall separating him and the other persons. A mirror is placed as shown in figure. How many of the three persons can he see?


AFour
BThree
CTwo
DOne

Refer to the given picture and select the correct statement.


A Library is in the East of post office.
B Post office is in the South of temple.
C Park is in the West of Riya's home.
D Temple is in the North of Riya's home.

Select the option that correctly represents chemical change (X) and physical change (Y).

In the given food web, a decrease in the population of bulbul is likely to cause _________.


AIncrease in grasshopper and lizard populations
BDecrease in plant and caterpillar populations
CDecrease in grasshopper and snake populations
DIncrease in plant population and decrease in lizard population