MCQs Zoology-20

MCQs Zoology-20

Test-20 Multiple Choice Questions (MCQs) for Test Preparation

1. What is the estimated time period when cyanobacteria first emerged on Earth?

 
 
 
 

2. In Calhoun’s “behavioral sink” experiment, what was the main consequence of overcrowding observed in rats?

 
 
 
 

3. When related species develop similar traits independently, it is called ——

 
 
 
 

4. The current population of humans on Earth is approximately ————

 
 
 
 

5. ——– is considered one of the earliest forms of life on Earth

 
 
 
 

6. What characteristic of cyanobacteria contributed to their early emergence on Earth?

 
 
 
 

7. What happens when NaCl is dissolved in water?

 
 
 
 

8. ————–is the study of reptiles

 
 
 
 

9. In fish gills ————increases the surface area for gas exchange

 
 
 
 

10. In “Behavioral Sink” Calhoun named his experimental environment as ————

 
 
 
 

Question 1 of 10

MCQs Zoology-20

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MCQs for Multiple Competitive Testing Services

Use of Multiple-choice questions (MCQs) is among the proven strategies to test your knowledge and improve your skills for relevant exams. These Expert-Approved MCQs cover various aspects of Agriculture, Agronomy, Soil Science, Horticulture, Entomology, Environmental Science, Plant Breeding and Genetics, Forestry, General Biology, Botany, Zoology, Zoology-20

These MCQs are designed to assist candidates preparing for various competitive examinations, including:
National Testing Service (NTS); Open Testing Service (OTS); Educational Testing and Evaluation Agency (ETEA); Federal Public Service Commission (FPSC); Provincial Public Service Commissions (PPSC, SPSC, BPSC, KPPSC), Punjab Public Service Commission (PPSC); Balochistan Public Service Commission (BPSC); Khyber Pakhtunkhwa Public Service Commission (KPPSC); Sindh Public Service Commission (SPSC); Pakistan Housing Authority (PHA); Zarai Taraqiati Bank Limited (ZTBL); MCQs Zoology-20

Union Public Service Commission (UPSC); Indian Administrative Service (IAS); Indian Council of Agricultural Research (ICAR), Agricultural Scientists Recruitment Board (ASRB), Civil Services Examination, State Public Service Commissions, e.g., TNPSC, UPPSC) Uttar Pradesh Public Service Commission (UPPSC); Public Service Commission (PSC); Public Service Recruitment Management System (PSRMS); Bangladesh Public Service Commission (BPSC), Civil Services Examination, PhD Entrance examination, Agriculture officer, Agricultural Universities, Agriculture Research Institutes, scientific officer, Departmental Test, PhD Admission Test, GAT Subject Test, MCQs Zoology-20

Note

These tests are for preparation purposes only. Choices may differ depending on the scientific material consulted. MCQs Zoology-20

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Other Multiple Choice Questions (MCQ) Tests

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