SSC CGL Science – Classification of Living Organisms – Level 1 · Warm-up · Tier I Level
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Pinctada – pearl oyster (Mollusca); Pila – apple snail.
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SSC CGL Science – Classification of Living Organisms – Level 1 · Warm-up · Tier I Level – 12 questions, subject: General Science. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
The binomial system of naming organisms was given by:
Correct Answer: D [Carolus Linnaeus]
Explanation:
Linnaeus – binomial nomenclature; Whittaker – five kingdoms.
2.
In Whittaker's five-kingdom system, blue-green algae (cyanobacteria) are placed in the kingdom:
Correct Answer: A [Monera]
Explanation:
They are prokaryotes, so they go to Monera with the bacteria.
3.
The scientific name of mango is:
Correct Answer: B [Mangifera indica]
Explanation:
Mangifera indica; potato, neem and rice are the others.
4.
Which kingdom contains all prokaryotic organisms?
Correct Answer: C [Monera]
Explanation:
Monera – bacteria, cyanobacteria, mycoplasma.
5.
The cell wall of fungi is made of:
Correct Answer: B [Chitin]
Explanation:
Fungi – chitin; plants – cellulose.
6.
Which protist causes malaria?
Correct Answer: A [Plasmodium]
Explanation:
Plasmodium (sporozoan); Trypanosoma causes sleeping sickness.
7.
Naked seeds (not enclosed in a fruit) are found in:
Correct Answer: D [Gymnosperms]
Explanation:
Gymno = naked; pteridophytes and bryophytes have no seeds.
8.
Which phylum has a water vascular system?
Correct Answer: C [Echinodermata]
Explanation:
Echinoderms (starfish, sea urchin) move and feed with a water vascular system.
9.
Which of the following is a mammal?
Correct Answer: C [Whale]
Explanation:
Whale – mammary glands, breathes air.
10.
Fill in the blankThe basic unit of classification is the ______.
Correct Answer: B [Species]
Explanation:
Answer: Species. Species is the basic unit.
11.
How many chambers does the heart of a fish have?
Correct Answer: A [2]
Explanation:
Fish: 2 (one atrium, one ventricle).
12.
One-line recallThe pearl oyster belongs to the genus:
Correct Answer: D [Pinctada]
Explanation:
Pinctada – pearl oyster (Mollusca); Pila – apple snail.
➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 General Science book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-general-science
📘 SSC CGL 2026 – General Science (Tier I + Tier II)
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