important sslc science questions

The pigeon which fly in sky one pigeon drives away other by its strong quality.

The institution in which the candidate working will be rooted out by other opponent.?in the sense of spoiling his or career or inefficiency of latter one this psychology of ruling this type of attitude prevailing in foreign institutions?

The dove which drives away another by its strong feather such a bold the bird the dove is

Some bird which fly in sky make a great sound but dove never make sound when it flies

The dove which sits near other birds unintentionally.it never be raged it is a passionate calm bird.It never quarrel among other birds or its own species such a lovely quality it had.

The dove with its fellow species round in air which moves in slow and steady flying it is really a wonder to look at

The myna sparrows never seen outside when rains when severe shower occur it hides inside a hole of a tree trunks

The sparrow pecks grains on the ground would be smart and observative

The steel  never rust but iron rusts the iron metal exposed in atmosphere reacts with atmospheric oxygen and turn into iron oxide oxidation process occur

The myna which in pairs produce sound which to draw the attention of some other bird.It never be tensed it is a relaxing habit never be sensitive

The myna which is seen in pairs sit in a in relaxed manner it pecks it's feathers by its beak often.it sits on roof top never observe any

The pipe allow the water in downward direction on the other hand it never allows in vice versa the opposite direction if water flows in reverse it needs force 

The dove still in two sit nearby one another and observe never make any noise or sound.The myna which is cute wander alone to search grains again some wild birds visit local side to get food

The water pumps are made of iron nowadays it is made up of high grade plastics it does not rust and it is long standing