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Kerala (English Medium)->Std 8 Questions

Total Questions 420
What all are the experiments do in the discharge tube by different scientist !
What is meant by sustainable development !
(x/y-y/x)*(x/2y-2y/x)=
which is the tallest tree in the world?
* Biosphere reserves are a cross section of the biosphere. Why! * what is the importance of Red Data Book! * How does the gene bank helps in conserving bio diversity! * how does the project tiger stands apart from the other wildlife conservation projects!
Difference between gene bank and sperm bank !
what is the scientific name for parrot?
who wrote bhagavathgeetha?
what is the difference between national parks and wild life santuarys ?
Some gold coibns has been divided among Kavya\Ananya in the ratio 8:9.If Kavya got 56 coin.Find the number of coins of Ananya?
There are 21 squares in the figure . How much part of the total of the shaded ? How much part of the shaded is that of the non-shaded?Ratio between shaded/ non-shaded?
From the statement given write the contexts which produce accelaration on a body which (a) moves in a straight line with uniform speed (b) moves along a curved path with same speed (c)move in the same direction with same speed
what is taxonomy?
If a body moving with a velocity of 10m/s is given an acceleration of 2 m/s square A What will be its velocity after 6s? B what is the time taken by the body to come to rest if it is given an acceleration of -11 m/s square after 6 s?
which is the largest tree in this world?
using the numbers 2,3,5 and their negatives express the product 30 in three different ways?
what is thrust and pressure?
when an object is placed in front of a concave mirror,an image of size greater than the size of the object is obtained on a screen
find the sum of 1/7 of (-15) and 3/14 of (-8).
-------------- the circumstances, the best thing to do was to resign a. In b. Under c.By