What is resource planning ? Why is it essential? Explain any two reasons.
Resource planning is a term that is used to refer to the strategy for planned and careful utilisation of resources.... View Article
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The liquid which has the highest rate of evaporation is
The liquid which has the highest rate of evaporation is a) Petrol b) Nail polish remover c) Water d) Alcohol... View Article
Which of the following tree has no branches?
Which of the following tree has no branches? (a) Mango (b) Neem (c) Coconut (d) Banyan Answer: (c) Coconut
Show that the path of a projectile is a parabola.
Consider a horizontal line OX and a vertical line OY, where O is the origin for the X and Y-axis.... View Article
Express 2.36 + 0.23 as a fraction in simplest form
Solution: Writing 2.36 in terms of fraction, we get \(\begin{array}{l}2.36=\frac{236}{100}\end{array} \) Similarly, writing 0.23 in terms of fraction we get... View Article
A body is moving with a velocity of 10m/s. If the motion is uniform, what will be the velocity after 10 seconds ?
Given that the motion is uniform, the velocity will remain the same even after 10 seconds, that is 10 m/s.
Mercury is the smallest planet of the solar system. (True /False)
Answer: True Mercury is the smallest planet in the solar system. It is only slightly larger than Earth’s moon. Features... View Article
Wheat is staple food in North India. Explain this.
The soil, rain and temperature in North India are more favourable to the growth of wheat. Naturally, the food habits... View Article
What is viviparous germination?
In plants, vivipary involves the germination of seeds while still on the parent plant. It is a widespread phenomenon in... View Article
Name any two useful fungi
There several useful fungi. Out of the several, two fungi that have shown to be useful are penicillin and acidophilus.... View Article
Name the products of photolysis of water
Photolysis of water releases oxygen and hydrogen as a by-product. During photosynthesis when chlorophyll is left by its electrons, the... View Article
The least count of the burette is
The least count of burettes that are normally used is about 0.10 cm3.
Mendels law of segregation is also known as
The Mendels law of segregation is also known as the law of purity of gametes because the law shows us... View Article
Distinguish between silk and wool fibres
The key difference between silk and wool is their ability to retain warmth. Although fabrics made from both silk and... View Article
Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force acting between them is F. If 25% charge of A is transferred to B, then force between the charges becomes
Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force... View Article
What is shape of leaf apex of peepal plant?
The leaves and twigs of peepal tree are smooth, shiny, slightly leathery, and broadly oval and suddenly tapers at the... View Article
On heating a liquid , it’s viscosity
On heating liquid Sulphur, its viscosity _____. (A) decreases (B) increases (C) first increases and then decreases (D) first decreases... View Article
The passage of an electric current through a solution causes effects
The passage of an electric current through a solution causes _____ effects. (A) physical (B) chemical (C) biological (D) none... View Article
Find the number of moles in 7g of Na
The number of moles in 7g of Na is (A) 1 (B) 0.75 (C) 0.5 (D) 0.25 Answer: (D) 0.25
Find quadratic polynomial whose zeroes are 3, -3
Solution: \(\begin{array}{l}\alpha +\beta =3+{-3}=0\end{array} \) \(\begin{array}{l}\alpha \beta =3\times {-3}=-9\end{array} \) From the above results, we can conclude the following: Product... View Article
