The RNA Is Not Found In______.(A)Ribosome.(B) Nucleolus.(C) Chromosome.(D) Plasmalemma .
The correct answer is (D) Plasmalemma. Ribonucleic acid (RNA) is the most important molecule in cell biology. RNA is absent... View Article
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Write Chemical Names Of The Following Compound – (CH3COO)2 Pb.
The chemical name of (CH3COO)2 Pb is Lead(II) acetate. Explore more such questions and answers at BYJU’S.
Cell Wall Of Fungi Is Composed Of______. (A) Pectin. (B) Chitin. (C) Mannans. (D) Cellulose .
The correct answer is (B) Chitin. Explore more such questions and answers at BYJU’S.
Loss On Sale Of Asset Is _______To Profit And Loss A/c (A)No Effet. (B)Debited. (C) Credited. (D) None Of These.
The correct answer is (B) Debited. Explore more such questions and answers at BYJU’S.
How Many P-S And P-P Bonds Are Present In P4S3?
Phosphorus sesquisulfide (P4S3) has 6 P-S bonds and 3 P−P bonds. Explore more such questions and answers at BYJU’S.
The Density Of Copper Is 9 * 103 Kgm-3 And Its Atomic Mass Is 63.5u. Each Copper Atom Provides One Free Electron. Estimate The Number Of Free Electrons Per Cubic Meter In Copper.
Density = \(\begin{array}{l}\frac{Mass}{Volume} \end{array} \) \(\begin{array}{l}\Rightarrow \frac{Density}{Molar \; mass}\\ \Rightarrow \frac{Mass}{Atomic\; mass} * \frac{1}{Volume} \\= \frac{Number \;of\; moles}{Volume} \end{array} \)... View Article
One Mole Of N2H4 Loses 10 Moles Of Electrons To Form A New Compound A. Assuming That All The Nitrogen Appears In The New Compound. What Is The Oxidation State Of Nitrogen In A?
Hydrazine is also called Diamine or Diazane or Nitrogen hydride and is a strong base. It is an azane and... View Article
Which Of The Following Pair Is C2 Epimer. (A)D-Glucose, D-Arabinose.(B)D-Glucose, D-Maltose.(C)D-Allose, D-Ribose. (D)D-Glucose, D-Mannose.
The correct answer is (A)D-Glucose, D-Arabinose. Explore more such questions and answers at BYJU’S.
Determine The Equivalent Weight Of The Following Salt NaCl.
The molecular weight of sodium chloride (NaCl) is Na = 1 * 22.989u = 22 Cl = 1 * 35.453u... View Article
Progestasert And LNG20 Are (A) Non-medical IUDs.(B) Copper Releasing IUDs. (C) Hormone Releasing IUDs. (D) None Of These
The correct answer is (C) Hormone Releasing IUDs. LNG -20 and Progestasert are both a kind of hormone-releasing IUD, which... View Article
Pure Substances Are Characterised By__________.(A) Variable Properties.(B) Fixed Boiling Points.(C) Variable Melting Points.(D) Non-uniform Composition.
The correct answer is (B) Fixed Boiling Points. The characteristic of a pure substance is that it has a fixed... View Article
Define Rational Numbers With Examples.
A number, which is in the form of p/q, where q is not equal to 0, p and q are... View Article
The French East India Company Established Its First Factory In India At _____.
The answer is Surat. In 1668, the French East India Company established its first factory in India at Surat. Explore... View Article
Discuss Briefly The Role Of Microbes In Household Products
Role of Microbes in Household Products: Bacteria in association with yeasts are known for the fermentation or souring of Dosa... View Article
02 Sep 2021: PIB Summary & Analysis
TABLE OF CONTENTS 1. UK-India Economic and Financial Dialogue 2. Meeting of BRICS Ministers of Energy 3. World Coconut Day... View Article
Starting from rest, the time taken by a body sliding down on a rough inclined plane at 450 with the horizontal is twice the time taken to travel on a smooth plane of same inclination and same distance. Then, the coefficient of kinetic friction is
1) 0.25 2) 0.33 3) 0.50 4) 0.75 Answer: 4) 0.75 Solution: Coefficient of kinetic friction, μ = tanθ[1 – 1/n2] here θ... View Article
A box of mass 2 kg is placed on the roof of a car. The box would remain stationary until the car attains a maximum acceleration. The coefficient of static friction between the box and the roof of the car is 0.2 and g =10 ms-2. The maximum acceleration of the car, for the box to remain stationary, is
1) 8 ms-2 2) 6 ms-2 3) 4 ms-2 4) 2 ms-2 Answer: 4) 2 ms-2 Solution: ma = μmg a = μg... View Article
An object is gently placed on a long converges belt moving with 11 ms-1. If the coefficient of friction is 0.4, then the block will slide in the belt up to a distance of
1) 10.21 m 2) 15.125 m 3) 20.3 m 4) 25.6 m Answer: 2) 15.125 m Solution: a = mg =... View Article
Impulse is
1) a scalar 2) equal to change in the momentum of a body 3) equal to rate of change of... View Article
A block of mass 2 kg is at rest on a floor. The coefficient of static friction between block and the floor is 0.54. A horizontal force of 2.8 N is applied to the block. What should be the frictional force between the block and the floor? (take, g =10 m/s2)
1) 8.8 N 2) 5.8 N 3) 2.8 N 4) 10.8 N Answer: 3) 2.8 N Solution: mass of block =... View Article
