How Are Xef2 And Xef4 Prepared?
A mixture of xenon and fluorine at a ratio of 2:1 is passed through a nickel tube at 400° C.... View Article
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Who Coined The Word Regression?
Sir Francis Galton coined the word ‘Regression.’ Sir Francis Galton was the first person to represent the biological phenomenon that... View Article
Chromatic Aberration In A Lens Is Caused By______.(A) Dispersion.(B) Reflection.(C) Diffraction. (D) Interference.
The correct answer is (A) Dispersion. Chromatic Aberration occurs when a lens fails to focus all colours to the same... View Article
Define The Term Magnification
Magnification refers to the ratio of the height of an image to the height of an object. Explore more such... View Article
Deep Black Soil Is Highly Productive Due To The High Proportion Of (A) Sand And Zinc . (B) Clay And Humus. (C) Gravel And Sand. (D) Slit And Earthworm.
The correct answer is (B) Clay And Humus. Deep black soil is the richest in nutrients due to the high... View Article
Give Reasons For The Following: H2Te Is More Acidic Than H2S
H2Te is more acidic than H2 S because the bond dissociation enthalpy of the H – Te bond is lesser... View Article
Why Are Pulses Rich in Proteins?
Pulses are rich in protein because of Rhizobium. Pulses belong to the family of leguminous plants, which require a rich... View Article
Which Of The Following Will Have Lowest Electron Affinity?(A) Carbon.(B) Boron.(C) Sulphur.(D) Nitrogen.
The correct answer is (D) Nitrogen. Nitrogen has the least electron affinity because of its half-filled 2p orbital. Explore more... View Article
The Osmotic Pressure Of A Solution Depends on On (A)Temperature. (B) Nature Of Solvent. (C) Molar Concentration Of Solute. (D) Both A and C.
The correct answer is (D) Both A and C. Osmotic pressure depends upon the number of solution constituents and depends... View Article
Find The Arithmetic Mean Of The Following Frequency Distribution Using The Step Deviation Method.
Given data: Class 0-10 10-20 20-30 30-40 40-50 Frequency 9 12 15 10 14 Sol: Class fi xi ui fiui... View Article
Secondary Cortex Is Also Known As______.(A) Bark.(B) Phellem.(C) Phellogen.(D) Phelloderm.
The correct answer is (D) Phelloderm. The secondary cortex is known as the phelloderm. These are the cells that grow... View Article
Viruses Are No More Alive Than Isolated Chromosomes.
Viruses are no more ‘alive’ than isolated chromosomes because both require the environment of a cell to replicate. Viruses are... View Article
If The Compound Interest On A Certain Sum Of Money For 2 Years Is Rs.2,700 And The Simple Interest On The Same Sum For The Same Period Is Rs.2,500, What Will Be The Rate Of Interest?
Sol: Let the sum of money be x. The time period = 2 years. C.I = 2700 Rate = R... View Article
Which Of The Following Is Not A Cell Organelle? (A) Ribosome.(B) Microsome.(C) Mitochondria.(D) Golgi complex.
The correct answer is (B) Microsome. Microsomes are not the cell organelles. These are the broken pieces of the endoplasmic... View Article
The kinetic energy of photoelectrons depends on (A) The intensity of incident light.(B) The sum of threshold frequency and frequency of incident light.(C) The ratio of Of threshold frequency and frequency of incident light.(D) The difference of threshold frequency and frequency of incident light.
The correct answer is (D) The Difference Of Threshold Frequency And Frequency Of Incident Light. Explore more such questions and... View Article
Basis Of Apportionment Of Welfare Department Expenses Is______. (A) Number Of Machines.(B) Materials Consumed.(C) Number Of Employees.(D) Wages Of Each Department.
The correct answer is (C) Number Of Employees. Explore more such questions and answers at BYJU’S.
Which Amendment Of The Constitution Added The Word Secular In The Preamble?(A) 40th Amendment.(B) 42nd Amendment.(C) 44th Amendment.(D) 46th Amendment.
The correct answer is (B) 42nd Amendment. A preamble is an introductory statement based on the Objectives Resolution, drafted and... View Article
Which Of The Following Sentences Are Correct. (A) 1,2 And 3 . (B) 2, 3 And 4 .(C)All Of These. (D) None Of These.
Given options are: She Was A Devotee Of Lord Krishna.2. Meerabai Was The Saint Of Bhakti Movement.3. She Was Born... View Article
Once He Has Signed The Agreement He Won’t Be Able To____.(A) Back Up.(B) Back At.(C) Back Out.(D) None Of These.
The correct answer is (C) Back Out. Once he has signed the agreement, he won’t be able to back out... View Article
What Is Abnormal Cost?
Abnormal cost is defined as the cost not normally incurred at a given level of output. It can also be... View Article
