Photoautotrophs are those organisms that can make their own food using sun light with the help of the process of photosynthesis. Plants can prepare their own food using sunlight. Hence they are Photoautotrophs.

Answer: A) Paytm Payments Bank Explanation: Paytm Payments Bank is the India's largest digital bank providing zero balance accounts and zero charges on digital transactions.

Answer: B) Diamagnetic Explanation: Paramagnetic Molecules :: If the Electronic configuration of a molecule has any unpaired electrons, then that molecule is said to be Paramagnetic. Diamagnetic Molecules :: If the Electronic configuration of a molecule has only paired or spin paired electrons, then that molecule is said to be Diamagnetic.   Here the molecule C2 has all paired electrons in its electronic configuration. So C2 is Diamagnetic. Whereas, B2 molecule has unpaired electrons. So B2 is Paramegnetic.

It is a Postbox or a Mailbox which contains thousands of letters or mails or messages.

Answer: C) 54 min Explanation: If virus is K in 1hr i.e 60 minthen in 57 min it was K/2 as it doubles every 3 minutes=> In 54 min it was K/4.At 54 minutes it was K/4.

The persons whose primary investing objective is to preserve capital while generating a tax-free income stream, then municipal bonds are worth considering. Municipal bonds (munis) are debt obligations issued by government entities. When you buy a municipal bond, you are loaning money to the issuer in exchange for a set number of interest payments over a predetermined period. At the end of that period, the bond reaches its maturity date, and the full amount of your original investment is returned to you.   Types of Municipal Bonds : Municipal bonds come in the following two varieties: 1. General obligation bonds (GO)2. Revenue bonds General obligation bonds, issued to raise immediate capital to cover expenses, are supported by the taxing power of the issuer. Revenue bonds, which are issued to fund infrastructure projects, are supported by the income generated by those projects.   Both types of bonds are tax exempt and particularly attractive to risk-averse investors due to the high likelihood that the issuers will repay their debts.

An atom is the smallest particle of a substance. Chemical substances are divided into two major groups. They are 1. Pure Substances (and) 2. Mixtures.   There are two types of pure substances that are Elements and Compounds.   Elements : An element is a substance that is made up of only one kind of atoms and cannot be broken down into simpler substances by chemical means. Metals and Non- metals come under elements. Examples of elements are Iron, Silver, Gold, Mercury etc.   Compounds : A Compound is a substance that is formed when two or more elements combine chemically. Examples of compounds are Water, Carbon dioxide, methane, vinegar etc.   Mixtures : A Mixture is formed when two or more substances mixed together but not chemically combined. Example: Air.

Answer: B) Public Explanation: An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.   IP addresses available to the internet are classified as Public.