Which of the following is at the second trophic level of a food chain?

Saturated carbon compounds can form which types of chain structures?

I. Straight chain

II. Branched chain

Which of the following statement(s) is/are CORRECT?

I. Oils containing unsaturated fatty acids should be used for cooking.

II Animal fats have saturated carbon chains.

III. Saturated fatty acids are generally harmful for health.

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Major companies are nowadays surviving because of the strong supply chain system.
(II) Supply chain comprises of logistics, retailers and distributers.

Conclusions:
(I) Retailers play most important role because they interact with customers on first hand.
(II) If an organization has strong logistics, then product can easily be available to the customers in such an era of competition.

What is the only chain we can eat ?

Polynucleotide chain of DNA contains

Each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and markyour response accordingly on the Answer Sheet.

S1 :In a globalized world, no country can hope to impose tariffs without affecting its own economic interests.
S6 :The ongoing trade war also threatens the rules-based global trade order which has managed to amicably handle trade disputes between countries for decades.
P :So both the U.S. and China, which have blamed each other for the ongoing trade war, are doing no good to their own economic fortunes by engaging in this tit-for-tat tariff battle.
Q : Apart from disadvantaging its consumers, who will have to pay higher prices for certain goods, tariffs will also disrupt the supply chain of producers who rely on foreign imports.
R : China, which is fighting an economic slowdown, will be equally affected.
S :The minutes of the U.S. Federal Reserve June policy meeting show that economic uncertainty due to the trade war is already affecting private investment in the U.S., with many investors deciding to scale back or delay their investment plans

The correct sequence should be

Consider the following statements with respect to Bitcoins or 'cryptocurrencies' as they are commonly known; I. Bitcoin is a decentralized electronic payment system II. Only a finite number of bitcoins can be created by miners III. Bitcoins are indivisible units of currency IV. Every single bitcoin transaction is recorded in a ledger called the blockchain. Which of the above statements are correct?