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Spawn Indices: 15 MCQs with answers

All 15 multiple-choice questions from this kit, free and with no sign-up.

Full kit · everything

Warm-up · 11 questions

Q1. The index of spawn quantity or yield of a centre is defined as:

Beginner
A The average current velocity at the collection site B The desirable spawn taken by one standard net during a season C The percentage of major carp spawn available at a site D The total number of spawn collected in a season regardless of net type
Show answer & explanation

The desirable spawn taken by one standard net during a season

The source defines the index of spawn quantity or yield of a centre as the desirable spawn taken by one standard net during a season.

Q2. The spawn quality index of a site is expressed as:

Beginner
A Ratio of day collections to night collections B Total percentage of major carp spawn available in a site C Total weight of spawn collected per standard net D Total number of minor carp spawn collected in a season
Show answer & explanation

Total percentage of major carp spawn available in a site

The source states that the spawn quality index is the total percentage of major carp spawn available in a site.

Q3. Which of the following are the categories of spawn mentioned in the source?

Beginner
A Major carps, prawns and molluscs B Surface, column and bottom spawn C Freshwater, brackish and marine spawn D Major carps, minor carps and others
Show answer & explanation

Major carps, minor carps and others

The source lists spawn categories as (1) major carps, (2) minor carps and (3) others.

Q4. Which hydrological character shows a positive correlation with spawn availability?

Beginner
A Flood level B Windy weather C Overcast sky D Constant current direction
Show answer & explanation

Flood level

The source states that flood is the most important character showing a positive correlation with spawn availability.

Q5. What type of current direction is ideal for spawn collection?

Beginner
A A constantly changing direction B A constant direction C No current at all D A direction opposite to the wind
Show answer & explanation

A constant direction

The source states that a constant direction of current is ideal for spawn collection.

Q6. Which weather condition is considered unfavourable for spawn collection?

Beginner
A Drizzle B Overcast sky C Windy weather D Gentle breeze
Show answer & explanation

Windy weather

The source explicitly states that windy weather is unfavourable for spawn collection.

Q7. How do night collections compare with day collections for spawn?

Beginner
A Night collections are not possible B Day collections are higher than night collections C Night collections are higher than day collections D Both are equal
Show answer & explanation

Night collections are higher than day collections

The source states that night collections are higher than day collections.

Q8. The index of spawn quantity is also referred to as:

Beginner
A Spawn category index B Yield of a centre C Spawn quality index D Flood index
Show answer & explanation

Yield of a centre

The source defines the index of spawn quantity or yield of a centre as the desirable spawn taken by one standard net during a season.

Q9. What is the ideal condition for current direction during spawn collection?

Beginner
A Direction opposite to wind B Constant direction C No current D Changing direction
Show answer & explanation

Constant direction

The source says a constant direction of current is ideal for spawn collection.

Q10. Windy weather is favourable for spawn collection.

Beginner
A True B False
Show answer & explanation

False

The source states that windy weather is unfavourable for spawn collection.

Q11. Night collections are higher than day collections.

Beginner
A True B False
Show answer & explanation

True

The source states that night collections are higher than day collections.

Building up · 4 questions

Q12. According to the source, the current velocity conducive to spawn collection is:

Intermediate
A 0.1–0.4 km per hour B 0.5–3 km per hour C Above 5 km per hour D 3–5 km per hour
Show answer & explanation

0.5–3 km per hour

The source specifies that velocity ranging between 0.5–3 km per hour is conducive to spawn collection.

Q13. Which weather condition is generally ideal for spawn collection?

Intermediate
A Clear sky with strong winds B Hot and dry weather with no breeze C Overcast sky with or without drizzle and gentle breeze D Heavy rainfall with strong winds
Show answer & explanation

Overcast sky with or without drizzle and gentle breeze

The source says overcast sky, with or without drizzle, coupled with gentle breeze, is generally ideal for spawn collection.

Q14. Which of the following is NOT a spawn category listed in the source?

Intermediate
A Exotic carps B Others C Major carps D Minor carps
Show answer & explanation

Exotic carps

The source lists spawn categories as major carps, minor carps and others. Exotic carps are not mentioned.

Q15. Which factor is described as the most important character showing a positive correlation with spawn availability?

Intermediate
A Current velocity B Flood level C Weather D Current direction
Show answer & explanation

Flood level

The source states that flood is the most important character showing a positive correlation with spawn availability.

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