English
Hindi
Telugu
Bengali
Marathi
Tamil

Question

Download Solution PDF

The mangroves can shed tons of leaves per acre every year; fungi and bacteria break down this leaf litter and consume it, they then are consumed by tiny worms and crustaceans, which in turn feed small fish, which feed larger fish and birds and crocodiles.

Which among the following is the most logical inference of the above statement?

This question was previously asked in
UPSC Civil Services Exam (Prelims) Official Paper-II 2015
Download PDF Attempt in App
View all UPSC Civil Services Papers >
  1. Coastal areas cannot have food chains without magroves.
  2. Mangroves are an essential component of all marine ecosystems.
  3. Mangroves have a crucial role in some of the coastal food chains.
  4. The composition of marine flora and fauna is largely determined by mangroves.

Answer (Detailed Solution Below)

Option 3 : Mangroves have a crucial role in some of the coastal food chains.
Free Tests
View all Free tests >
Free
Revise Complete Modern History in Minutes
10 Qs. 20 Marks 12 Mins
Start Now

Detailed Solution

Download Solution PDF

According to the question: 
Mangroves → fungi/bacteria → worms/crustacenas → small fish →  large fish →  crocodile
It means that mangroves are an essential part of some of the coastal food chains as it is not found everywhere. Mangroves are found mainly between latitudes 25 °N and 25 °S. Though, there is no such thing with marine life as 70% of the earth surface is covered with water.

Hence, mangroves have a crucial role in some of the coastal food chains.

Download Solution PDF
Latest UPSC Civil Services Updates

Last updated on Jun 26, 2025

-> Candidates can check out the Daily Headlines for 26th June UPSC Current Affairs

-> UPSC Launched PRATIBHA Setu Portal to connect aspirants who did not make it to the final merit list of various UPSC Exams, with top-tier employers.

-> Check Fastag Annual Pass 2025 New rules Rs. 3000 for 200 highway trips per year announced by the nitin Kadgari.

-> Candidates who have cleared the Prelims can now fill the UPSC DAF 1 2025 form for the Mains examination on the official website.

-> The UPSC CSE and IFS result has been released @upsc.gov.in on 11 June, 2025. Check UPSC Prelims Result 2025, UPSC IFS Result 2025 

-> UPSC Launches New Online Portal upsconline.nic.in. Check OTR Registration Process.

-> Check UPSC Prelims 2025 Exam Analysis and UPSC Prelims 2025 Question Paper for GS Paper 1 & CSAT.

-> UPSC Exam Calendar 2026. UPSC CSE 2026 Notification will be released on 14 January, 2026. 

-> Calculate your Prelims score using the UPSC Marks Calculator.

-> Go through the UPSC Previous Year Papers and UPSC Civil Services Test Series to enhance your preparation

-> UGC NET Exam Analysis 2025 Out for Shift 1.

Exams Tests Super Practice

More Statements and Inferences Questions

Q1.Study the following information carefully and answer the question given below. Following are the criteria required to be fulfilled, to gain admission into any intermediate college (TSRJC) in Telangana (T.S): a) The candidate should have scored at least 80% marks in SSC or 70% marks in CBSE. b) The candidate should have scored at least 60% marks in the entrance exam. c) The candidate should be a male and be at least 16 years old, as on 1st June 2000. d) The candidate should be a resident of Telangana (T.S), i.e. should have been born and brought up in T.S. In case a condition given above is not satisfied, an alternate condition for the same is given below. e) If condition (d) is violated, but at least one relative of the candidate is presently staying in Telangana for the last 5 years, then the candidate can be admitted. f) If condition (b) or (c) is violated, but not both, and the student has a good sports record, then he/she should be advised to approach the Principal. g) If
Q2.Find the statement that must be true according to the given information.: Erin is twelve years old. For three years, she has been asking her parents for a dog. Her parents have told her that they believe a dog would not be happy in an apartment, but they have given her permission to have a bird. Erin has not yet decided what kind of bird she would like to have. 
Q3.Find the statement that must be true according to the given information.: Vincent has a paper route. Each morning, he delivers 37 newspapers to customers in his neighborhood. It takes Vincent 50 minutes to deliver all the papers. If Vincent is sick or has other plans, his friend Thomas, who lives on the same street, will sometimes deliver the papers for him. 
Q4.A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient to answer the question. Shakuntala was born in the year 2016. What is her exact date of birth? Statements: (I) Shakuntala’s birth date is a prime number greater than 23. (II) Shakuntala was born in a month having the least number of days. 
Q5.Directions: In the question given below, a passage is given followed by three statements that may or may not be inferred from the passage. Select the correct statements that can be inferred. A study using Office of National Statistics data has ranked 20 of the most popular courses according to the level of salary graduates are likely to be on five years after leaving university. Unsurprisingly, medicine and dentistry are at the top of the list when it comes to earning potential with graduates earning some £47,300 per annum. But some unexpected entries lower down on the list include law - which could see graduates taking home a relatively modest £25,200, only marginally more than those who have teaching degrees. The current average UK salary is £27,600 per year. I. Students opting for medicine and dentistry can be expected to earn more than the current average salary. II. The average salary of teachers in UK is less than the current average salary in UK. II
Q6.Statements : I. I surf internet only when I am bored. II. I am never bored when I have my friend’s company. III. Whenever I go for holiday, I take my friends along. Choose the conclusion which logically follows the statements. 
Q7.Direction: In the question the statement is given followed by some inferences. You must consider the statement to be true even if it seems to be at variance from commonly known facts.  There is considerable reduction in the number of people affected by water-borne diseases in City X during this rainy season. Waterborne diseases are caused by drinking contaminated or dirty water. Contaminated water can cause many types of diarrheal diseases, including Cholera, and other serious illnesses such as Guinea worm disease, Typhoid, and Dysentery. The government has opened four new civil hospitals in City X in the beginning of the year to treat these diseases by providing better Health Services. These hospitals strive to help people improve their productivity and reduce risks of diseases and injury in a cost-effective way. Which of the following statement can be inferred from the passage?
Q8.A remembers that B celebrated his birthday after 17th  but before 22nd of June, while B remembers that the birthday was celebrated before 24th but after the 20th June. On which date was the birthday celebrated ?
Q9.I. The newspapers affect the voting behavior of voters. II. The newspapers do not affect the voting behavior of voters in rural India.
Q10.I. Voting is a measure of intelligence. II.  Intelligence of the voter fully determines how the voter casts his vote.

UPSC Civil Services Important Links

Application FormUPSC Prelims Admit CardExam PatternPrevious Year PapersEligibility CriteriaPrelims Strategy

More Verbal Reasoning Questions

Q1.A statement is followed by two conclusions I and II. You have to assume everything in the statement to be true, then consider the two conclusions and decide which of them logically follows: Statement : After joining, Municipal Commissioner told to people of city "A" - "My first and foremost task is to beautify this city like Indore." Conclusions: I. The people of city "A" are not aware about the present condition of the city. has II. The Commissioner worked in Indore and has good experience of beautifying cities.
Q2.Study the given statement then decide which of the suggested course of action follows logically: Statement: The meteorological department has issued a notification forecasting less rainfall during next year's monsoon. Course of Action: I. The government should make arguments to provide water to the affected areas. II. The farmers should be advised to be ready for the eventuality. 
Q3.A statement is followed by two assumptions I and II. Consider the statement and the following assumptions and decide which of the assumption/s is/are implicit in the given statement : Statement: If it does not rain throughout this month, most of the farmers would be in trouble this year. Assumptions: I. Timely rain is essential for farming. II. Most of the farmers are generally dependent on rains.
Q4. Read the Statement and Conclusions given and decide which of the Conclusions follow(s) from the Statement. Statement : Red-haired people love filing bikes. Conclusions : I.  All people love riding bikes. II. Red-haired people love riding bikes only. 
Q5.Read the assumptions and select the best conclusions/conclusion that follow/follows the assumptions definitely. Assumptions: I. Ajay is the father of Shreyas, Suraj is the brother of Shreyas.  II. Seema is the mother of Shreyas.  Conclusions:  1. Seema is the wife of Ajay.  2. Seema is the mother of Suraj.
Q6.Read the statements and select the best conclusion/conclusions that follows/follow the assumptions mad in the statements. Statements : 1. In a T20 cricket match, the total runs made by a team were 120. 2. Out of these, 60 runs were made by spinners. Conclusions: 1. 20% of the team consists of spinners. 2. The middle order batsmen were spinners.
Q7.Read the Statement and Conclusions given and decide which of the statement(s) is/are valid.. Statement : An apple is good for an individual's health. Conclusions : 1. Apples are a good way to keep someone Healthy and fit. 2. Grapes are better than apples.
Q8.Read the statements and select the correct alternative regarding the conclusion. Statement 1: Tray plays table tennis. Statement 2: Table tennis is a difficult game Conclusion: Tray plays a difficult game. From the above statements, we can conclude that 
Q9.Statement : Should admission to all professional courses be made on the basis of past academic performance rather than through entrance tests? Arguments : l. Yes. It will be beneficial for those candidates who are unable to bear the expenses of entrance tests. ll. Yes. Many deserving candidates securing high marks in their qualifying academic examinations do not perform well on such entrance tests. lll. No. The standard of examinations and assessment conducted by different Boards and universities are not comparable and hence there is a need to conduct entrance tests to calibrate them on a common yardstick.
Q10.Statement : Courts take too long in deciding important disputes of various departments. Courses of Action : l. Courts should be ordered to speed up matters. ll. Special powers should be granted to officers to settle disputes concerning their department.
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti star login teen patti star apk teen patti real money app