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The IUPAC name of cinnamaldehyde is: A. 2(E)−3−phenlyprop−2−enal B. 2(Z)−1−phenlyprop−1−enal C. 2(E)−1−phenlyprop−2−enal D. 2(E)−3−phenlyprop−1−enal

Answer: A. 2(E)−3−phenlyprop−2−enal... View Article

Casparian strips occurs in: (a)Pericycle (b)Endodermis (c)Epidermis (d)Cortex

Answer: (b)Endodermis... View Article

What is birth rate?

Birth rate is the number of live-born births per 1000 people annually in a population.... View Article

Which neighboring country does not share a land boundary with india? A. China B.Myanmar C. Sri Lanka D.Nepal

Answer: C. Sri Lanka... View Article

Explain the transpiration pull theory for ascent of sap.

A transpiration pull could be simply defined as a biological process in which the force of pulling is produced inside the xylem tissue. This... View Article

Rajya sabha is also called as:

Rajya sabha is also called the 'Council of States'... View Article

Find the cubes of (-12).

Cube of -12 = (-12)3 = -12 x -12 x -12 = 144 x -12 = -1728... View Article

Resolving power of a microscope depends upon: A. The focal length and aperture of the eye lens B. The focal length and objective of the eye lens C. The apertures of the objective and the eye lens D. The wavelength of light illuminating the object

Answer: D. The wavelength of light illuminating the object... View Article

If n is a natural number the 9²ⁿ−4²ⁿ is always divisible by : a) 5 b) 13 c) both 5 and 13 d) None of these

Answer: c. both 5 and 13 Explanation: Given, 92n - 42n is in the form of a2n - b2n where n is a natural number. Since a2n - b2n is always... View Article

Which quantity is increased in step-down transformer? A.)Current B.)Voltage C.)Power D.)Frequency

Answer: A.)Current Current is increased in step-down transformer whereas voltage is decreased.... View Article

Purchase of goods on credit from a is recorded as: A. Debit purchases a/c; credit cash a/c B. Debit A a/c ;credit purchases a/c C. Debit purchase a/c ; credit A’s a/c D. Debit A a/c ; credit stock a/c

Answer: C. Debit purchase a/c ; credit A's a/c... View Article

What is money multiplier? How will you determine its value? What ratios play an important role in the determination of the value of the money multiplier?

The money multiplier is the amount of money that banks create as deposits with each unit of money it is keeping as a reserve. It is determined as... View Article

How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be gain of 10% by selling the mixture at Rs. 9.24 per kg? (a) 36 (b) 42 (c) 54 (d) 63

Answer: d.63 kg. S.P. of 1 kg of mixture = Rs.9.24 with gain = 10% Thus, the cost price of 1 kg of mixture = Rs.(100/110 x 9.24) = Rs.8.40 By... View Article

How many Ag atoms are there in 0.0001 grams of Ag? Molar mass of Ag is 108 grams per mole.

For 108g of Ag, the number of atoms = 6.023×1023 atoms We need to find the number of Ag atoms, for 0.0001 g. Let the required number of... View Article

Rent account is a: A. Personal account B. Nominal account C. Real account D. None of these

B.Nominal account Rent account is a nominal account whereas bank account is a real account. Rent account is for lending and borrowing of the money.... View Article

Flowers are zygomorphic in A. Datura B. Mustard C. Gulmohar D. Tomato

C. Gulmohar Flowers of gulmohar have bilateral symmetry and thus they are called zygomorphic. But, datura, mustard and tomato have actinomorphic... View Article

Rolling friction is always greater than static friction. A. True B. False

False. Rolling friction is less than static friction because it is a type of kinetic friction.... View Article

What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube? What type of reaction is this?

When a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube, we can observe the precipitation of the yellow... View Article

H2O2 cannot oxidise: A. O3 B. Kl/HCl C. PbS D. Na2SO3

Answer: A. O3 H2O2 (Hydrogen peroxide) cannot oxidise O3 instead it reduces O3 to O2.... View Article

Explain the term perianth.

Perianth are the non-reproductive parts of flowers that consist of calyx and corolla , collectively to enclose the reproductive parts.... View Article

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