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Earth comes between sun and moon during a (A) solar eclipse (B) lunar eclipse (C) annular eclipse (D) total solar eclipse

lunar eclipse Also known as the eclipse of the moon, it occurs when the earth comes in between the sun and the moon. As a result, the earth... View Article

Red sea is an example of a ___________ structure (A) Folded (B) Lava (C) Faulted (D) Residual

Red sea is an example of a faulted structure. Hence, the correct option is (C)... View Article

Do you think the distribution of public facilities in our country is adequate and fair? Give an example of your own to explain.

While there is no doubt that public facilities should be made available to all, in reality, we see that there is a great shortage of such... View Article

The Jatakas are a collection of stories __________ (A) Meant for children (B) Based on pet Hindu myths (C) About Jain saints (D) Pertaining to several different earlier births of the Buddha

Pertaining to several different earlier births of the Buddha The Jataka is the collections of stories about the previous birth life of Gautam... View Article

Which of the following kinds of venation is present in banana? (A) Reticulate unicostate (B) Reticulate multicostate (C) Parallel unicostate (D) Parallel multicostate

Parallel unicostate In pinnate or unicostate parallel venation, there is single principle vein or midrib that runs from base to apex of the... View Article

Freon used as refrigerant is (A) CF2 = CF2 (B) CH2F2 (C) CCl2F2 (D) CF4

CCl2F2 Freon-12 CCl2F2 is widely used as a refrigerant in refrigerators and air conditioners Hence, the correct option is (C)... View Article

If there was no CO2 in the earths atmosphere, the temperature of the earth’s surface would be (A) Same as present (B) Less than the present (C) Higher than the present (D) Dependent on the amount of oxygen in the atmosphere

If there was no CO2 in the earth's atmosphere, the temperature of the earth's surface would be less than the present. Hence, the correct option is (B)... View Article

How water helps in extinguishing fire? (A) Water cools the combustible material so that its temperature is brought below the ignition temperature (B) Water heats the combustible material so that its temperature is brought below the ignition temperature (C) Water cools the combustible material so that its temperature is brought above the ignition temperature (D) None of these

Water cools the combustible material so that its temperature is brought below the ignition temperature. So, fuel cannot be ignited anymore, thus... View Article

If sin A – cos A = 0, then find the value of sin⁴A cos⁴A is:(A) 0(B) 1(C) 1/2(D) 3/4

Answer: (C) 1/2 The sine function of an angle is the ratio between the opposite side length to that of the hypotenuse. Sin θ... View Article

BeF2 has zero dipole moment where as H2O has a dipole moment because: (A) Water is linear (B) H2O is bent (C) F is more electronegative than O (D) Hydrogen bonding is present in H2O

H2O is bent BeF2 has no dipole moment whereas H2O has non zero dipole moment because the structure of H2O is bent due to the presence of lone... View Article

What are sleepers?

Sleepers are wooden boxes laid across the railway tracks which hold the tracks in position. When trains move over them they hold the iron tracks... View Article

Name the kind of phyllotaxy in Hibiscus

The pattern of leaf arrangement on the stem or branch is called phyllotaxy. Hibiscus shows alternate or spiral phyllotaxy.... View Article

Name five different types of motion you know

The five different types of motion are as follows: 1. Translatory motion 2. Oscillatory motion 3. Rotatory motion 4. Vibratory motion 5.... View Article

Which of these months does not have 31 days? (A) July (B) March (C) August (D) November

We know that, All the 12 months have 31 or 30 days. The months which have 30 days are April, June, September and November. Rest of the months... View Article

Mention the types of mirrors used as (i) rear veiw mirrors (ii) shaving mirrors. List two reasons to justify your answers in each case

Convex mirrors are used as rear view mirrors because 1. They produce a virtual and erect image of the objects 2. They have a wider field of view... View Article

The best example of polyembryony is __________ (A) Mango (B) Citrus (C) Capsicum (D) Cocos

Citrus The production of two or more than two embryos from a single seed or fertilized egg is termed as Polyembryony. These are identical... View Article

To convert a galvanometer into an ammeter we should connect (A) Low resistance in series (B) Low resistance in parallel (C) High resistance in series (D) High resistance in parallel

Low resistance in parallel A galvanometer is converted into an ammeter by connecting it in parallel with a low resistance called shunt... View Article

Which term is used to describe RAM? (A) Dynamic RAM (DRAM) (B) Static RAM (SRAM) (C) Video RAM (VRAM) (D) All of the above

All of the above Dynamic RAM, Static RAM and Video RAM are used to describe RAM Hence, the correct option is (D)... View Article

Write the formula of ozone

The chemical or molecular formula of ozone is O3. The ozone layer protects the earth from ultraviolet rays.... View Article

What is the value of 1 nanosecond in second? (A) 10^-9 (B) 10^-6 (C) 10^-8 (D) 10^-10

10-9 A nanosecond is a SI unit of time equal to one billionth of a second or 10-9 seconds. Therefore, the value of nanosecond is 10-9 So, the... View Article

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