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19 Jul 2026, 08:17
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Strengthen: Fleeing from Iranian army, the armed dissidents in Iran have made their strongholds near Fereydoon Kenar
Weaken: The Indian government has initiated tough measures to roll back incursions into the cranes' breeding grounds
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
18% (02:02) correct
82%
(02:38)
wrong
based on 207
sessions
History
Date
Time
Result
Not Attempted Yet
The Siberian crane (Grus leucogeranus), also known as the Siberian white crane or the Snow crane, is a bird of the family Gruidae, the cranes. It is a long-distance migrant and among the cranes, makes the longest migrations. The species spends its winters in Fereydoon Kenar in Iran and Keoladeo National Park, India.
Due to increased human activity and encroachment in Keoladeo National Park, migration patterns of Siberian cranes have been affected. Their nesting sites have been encroached upon and the breeding rate is declining. With Iran struggling with its own population explosion, very soon we will see a decline in the breeding in Iran also.
Select the additional information that, if true, would most strengthen the conclusion drawn and select the additional information that, if true, would most weaken the conclusion drawn. Make only two selections, one in each column
Due to increased human activity and encroachment in Keoladeo National Park, migration patterns of Siberian cranes have been affected. Their nesting sites have been encroached upon and the breeding rate is declining. With Iran struggling with its own population explosion, very soon we will see a decline in the breeding in Iran also.
Select the additional information that, if true, would most strengthen the conclusion drawn and select the additional information that, if true, would most weaken the conclusion drawn. Make only two selections, one in each column
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| Strengthen | Weaken | |
| Fleeing from Iranian army, the armed dissidents in Iran have made their strongholds near Fereydoon Kenar | ||
| The cranes have been migrating further south of Fereydoon Kenar towards the inhospitable desert. | ||
| The Iranian government has announced a cash reward for those who capture armed poachers of wildlife. | ||
| The Indian government has initiated tough measures to roll back incursions into the cranes' breeding grounds | ||
| Siberian cranes from East Siberia have lately been interbreeding with Siberian cranes from West Siberia. |
ShowHide Answer
Official Answer
Strengthen: Fleeing from Iranian army, the armed dissidents in Iran have made their strongholds near Fereydoon Kenar
Weaken: The Indian government has initiated tough measures to roll back incursions into the cranes' breeding grounds
19 Jul 2026, 13:28
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This one is really a Critical Reasoning question wearing a Data Insights costume, and I think that's exactly why it trips people up on the Focus exam. Once you see it that way it gets a lot easier.
The conclusion is basically that Iran is heading toward the same decline in Siberian crane breeding that India already went through, because of rising human pressure near the breeding grounds.
For strengthen, you want something that adds a new source of human pressure specifically in Iran, mirroring what happened in India. Option 1 does exactly that, armed dissidents setting up strongholds near Fereydoon Kenar is a fresh, direct threat to the exact breeding area in question. That strengthens the prediction of decline.
For weaken, you want something that shows Iran is actually protecting the cranes rather than losing ground to human encroachment. Option 3 does that, a government cash reward for capturing poachers is a concrete protective measure working in the opposite direction of the conclusion.
Now the traps, and I definitely paused on these. Option 4 is about India, not Iran, so even though it sounds thematically related it does not touch the actual conclusion about Iran's future. Option 5 is about interbreeding between East and West Siberian cranes, which is a totally separate issue from human encroachment and does not move the argument either way.
Takeaway: on these strengthen and weaken pairs, always go back and check which country or group the conclusion is actually about, GMAT loves to hand you an answer that is true and relevant sounding but aimed at the wrong subject.
The conclusion is basically that Iran is heading toward the same decline in Siberian crane breeding that India already went through, because of rising human pressure near the breeding grounds.
For strengthen, you want something that adds a new source of human pressure specifically in Iran, mirroring what happened in India. Option 1 does exactly that, armed dissidents setting up strongholds near Fereydoon Kenar is a fresh, direct threat to the exact breeding area in question. That strengthens the prediction of decline.
For weaken, you want something that shows Iran is actually protecting the cranes rather than losing ground to human encroachment. Option 3 does that, a government cash reward for capturing poachers is a concrete protective measure working in the opposite direction of the conclusion.
Now the traps, and I definitely paused on these. Option 4 is about India, not Iran, so even though it sounds thematically related it does not touch the actual conclusion about Iran's future. Option 5 is about interbreeding between East and West Siberian cranes, which is a totally separate issue from human encroachment and does not move the argument either way.
Takeaway: on these strengthen and weaken pairs, always go back and check which country or group the conclusion is actually about, GMAT loves to hand you an answer that is true and relevant sounding but aimed at the wrong subject.
