Calculate the packing efficiency in a body centered cubic (BCC) lattice.
The volume occupied by 1 atom is 4/3Πr<sup>3</sup> There are 2 atoms per unit cell in a BCC unit cell... View Article
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What is tigellum?
A tigellum is the transition from a seed embryo to a seedling. It refers to the main axis of a... View Article
Which document is called as charter of the company?
Memorandum of Association is the document which is called the charter of the company.
A torch bulb is rated 2.5 V and 750 mA. Calculate its power its resistance the energy consumed if this bulb is lighted for 4 hours two identical resistors, each of resistance 2 Ohm are connected in the torch in series in parallel, to a battery of 12 volts, calculate the ratio of power consumed in two
V=2.5 V P=? Energy, E = ? I = 750 mA = 0.75 A R=? t = 4 hours Its... View Article
The x-coordinate of a point P is twice its y-coordinate. If P is equidistant from Q(2,-5) and R(-3,6), find the coordinates of P.
Let (x,y) be the coordinates of P. Given that x = 2y Also, PQ=PR \(\begin{array}{l}sqrt{(x-2)^{2}+(y+5)^{2}}=sqrt{(x+3)^{2}+(y-6)^{2}}\end{array} \) \(\begin{array}{l}sqrt{(2y-2)^{2}+(y+5)^{2}}=sqrt{(2y+3)^{2}+(y-6)^{2}}\end{array} \) \(\begin{array}{l}sqrt{5y^{2}+2y+29}=sqrt{5y^{2}+45}\end{array} \)... View Article
Azurite is an ore of a) Silver b) Iron c) Copper d) Gold
Option c) Copper.
Which of the following is wood alcohol a) 2-Methyl -1-propanol b) CH3OH c) C2H5OH d) 1-Butanol
Option b) CH3OH. Methanol (CH3OH), is also known as methyl alcohol, wood alcohol and wood naphtha.
Chloroxylenol is also known as
Chloroxylenol is also known as para-chloro-meta-xylenol (PCMX). It is used as an antiseptic and disinfectant which is used for skin... View Article
The carrying capacity of a population is determined by its a) Limiting resources b) Natality c) Population growth rate d) Mortality
Option a) Limiting resources. A population survives on the resources present in an area.
Development expenditure of the central government does not include a) Grant to states b) Defence expenditure c) Expenditure on social and communist services d) Expenditure on economic service
Option b) Defence expenditure.
In pinus male cone bears a large number of a) Ligules b) Microsporophylls c) Megasporophylls d) Anthers
Option b) Microsporophylls.
The fourth state of matter is a) Liquid b) Solid c) Plasma d) Gas
Option c) Plasma.
Root hair are extension of a) Inner epidermal cells of the root b) Vacuoles of root c) Outer epidermal cells of the root d) None of the option
Option c) Outer epidermal cells of the root.
Shape of the nucleus of WBC is usually a) Round b) Oval c) Spindle-shaped d) Irregular
Option d) Irregular. Different type of WBC have different shapes.
What does increase in unemployment indicate
It indicates that the economy is depressed. It also indicates that human resource is not used as an asset and... View Article
Science is a history of corrected mistakes said by
Karl Popper was a philosopher who said ‘science is a history of corrected mistakes’.
What are homologous chromosomes
Homologous chromosomes are also known as homologs. They are two pieces of DNA within a diploid organism that carry the... View Article
What constitutes the current
Current is constituted by the flow of electrical charge carriers. Electric current can be either be direct or alternating.
Which of the following was another name of pataliputra a) Huvishkapura b) Purushapura c) Kusumapura d) Kusinagara
Option c) Kusumapura. Pataliputra was also known as Pataligrama and in the present-day it is known as Patna.
Rewrite the following sentence in indirect speech the postman said to her, “I have a letter for you”. The postman told her____.
The postman told her ”that he had a letter for her”.
