It is possible to produce seedless tomato fruits by
(a) applying trace elements in tomato fruits
(b) spraying mineral solution on plants
(c) spraying hormones on flowers
(d) applying fertilizers containing radioactive elements
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While playing in a park, a child was stung by a wasp. Some elders suggested applying paste of baking soda and others lemon juice as remedy.
Wasp sting inject a liquid in the skin which is acidic in nature. Hence, baking soda is the appropriate remedy, as it is basic in nature and neutralises the acid.
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Briefly trace the geographical and ethnic variations of Balkan region. Why did this region become politically very explosive ?
(i) The Balkan was a region of geographical and ethnic variation comprising of many states and territories whose inhabitants were commonly known as Slaves. (ii) A large part of Balkans was...
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Trace the route of Sporozoite of Plasmodium when it enters the human body
Sporozoites attack liver cells Sporozoites reproduce asexually in liver cells bursting them and then reach RBC
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Briefly trace the process of German unification
The process of German unification was continued by Prussia after the defeat of the liberal, middle-class Germans at the hands of the aristocrats and the military in 1848. Its chief...
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If S and T are two sets such that S has 21 elements, T has 32 elements, and S ∩ T has 11 elements, how many elements does S ∪ T have
It is given that: n(S) = 21, n(T) = 32, n(S ∩ T) = 11 We know that: n (S ∪ T) = n (S) + n (T) – n (S...
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If X and Y are two sets such that X has 40 elements, X ∪Y has 60 elements and X ∩Y has 10 elements, how many elements does Y have
It is given that: n(X) = 40, n(X ∪ Y) = 60, n(X ∩ Y) = 10 We know that: n(X ∪ Y) = n(X) + n(Y) – n(X ∩ Y) ∴ 60 = 40...
1 Answers 1 views
A boy of mass M is applying a horizontal force to slide a box of mass M' on a rough horizontal surface.
The correct answer is (a) μ < μ', M < M' Explanation: The force applied by the boy on the box is equal to the force of friction between the shoes of the boy and...
1 Answers 1 views
Two springs A and B(kA = 2kB) are stretched by applying forces of equal magnitudes at the four ends.
(b) 2E. Explanation:- Since (kA = 2kB) it means for the same force xB = 2xA . So if energy stored in spring A = E = F.xA Energy stored in spring B = F.xB =F.2xA =2E
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Let the production function of a firm be Q = 2L2K2 Find out the maximum possible output that the firm can produce with 5 units of L and 2 units of K.
(a) Q = 2L2K2 .....(1) L = 5 units of labour K = 2 units of capital Putting these values in equation (1) Q = 2(5)2(2)2 = 2 (25) (4) Q = 200 units (b) If L...
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Rohan went to the garden. He saw fruits were green when unripe but some fruits were beautifully coloured when ripe.
The change in colour of fruits on ripening is a chemical change. This change occurs due to formation of new enzymes in the fruits. The action of the enzymes causes...
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