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Ecology Part 11
Online bilingual mock test designed according to latest Assam government exam pattern. Practice high-yield MCQs with timer, negative marking simulation, and instant answer explanations.
📋
100
Total Questions
⏱️
30 Mins
Test Duration
🎯
+1 / -0.25
Marking Scheme
🌐
Bilingual
Eng & Assamese
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📖 Sample Questions from this Mock Test
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Q1. What is the phenomenon where two populations of a single species live in adjoining geographic areas and interbreed along a narrow contact border called?
অসমীয়া: একে প্ৰজাতিৰ দুটা জীৱগোষ্ঠীয়ে কাষৰীয়া অঞ্চলত বাস কৰি সংযোগস্থলৰ সংকীৰ্ণ সীমাত বংশবৃদ্ধি কৰা প্ৰক্ৰিয়াক কি বোলে?
A) Sympatric speciation
B) Allopatric speciation
C) Parapatric Speciation
D) Polyploid isolation
Q2. Which layer of the atmosphere exhibits the lowest temperature in Earth's entire envelope (dropping to $-90^\circ\text{C}$)?
অসমীয়া: পৃথিৱীৰ বায়ুমণ্ডলৰ আটাইতকৈ শীতলতম স্তৰ (য’ত উষ্ণতা $-90^\circ\text{C}$ লৈকে নামি যায়) কোনটো?
A) Troposphere
B) Mesosphere
C) Stratosphere
D) Exosphere
Q3. Noctilucent clouds (polar mesospheric night-shining clouds) are exclusively formed in which atmospheric layer?
অসমীয়া: ৰাতিৰ আকাশত জিলিকি থকা 'নক্টিলুচেণ্ট মেঘ' (Noctilucent clouds) বায়ুমণ্ডলৰ কোনটো স্তৰত সৃষ্টি হয়?
A) Mesosphere
B) Stratosphere
C) Troposphere
D) Thermosphere