SSC CGL Science – Classification of Living Organisms – Tier II Level · Marathon

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SSC CGL Science – Classification of Living Organisms – Tier II Level · Marathon – 10 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.  
Pseudocoelomate animals belong to the phylum:

Correct Answer: B [Aschelminthes]

Explanation:

Roundworms have a pseudocoelom; flatworms are acoelomate; annelids and arthropods are coelomates.

2.  
Radial symmetry is seen in:

Correct Answer: C [Coelenterates]

Explanation:

Coelenterates, ctenophores and adult echinoderms are radial.

3.  
Which group of animals is diploblastic?

Correct Answer: A [Coelenterata]

Explanation:

Two germ layers: coelenterates and ctenophores.

4.  
The Indian Botanical Garden is located at:

Correct Answer: D [Howrah]

Explanation:

Indian Botanical Garden – Howrah; Royal Botanical Gardens – Kew, England.

5.  
Which of the following is a basidiomycete (club fungus)?

Correct Answer: D [Agaricus (mushroom)]

Explanation:

Agaricus, Ustilago, Puccinia are basidiomycetes; Penicillium – ascomycete; Rhizopus – phycomycete; Alternaria – deuteromycete.

6.  
A herbarium is a:

Correct Answer: B [store of dried, pressed and labelled plant specimens]

Explanation:

Herbarium sheets carry pressed dry plant specimens.

7.  
Metameric segmentation is a feature of:

Correct Answer: A [Annelida]

Explanation:

Earthworm – body of repeated segments.

8.  
Arrange in orderArrange in descending order of rank: Family, Class, Genus, Order

Correct Answer: C [Class → Order → Family → Genus]

Explanation:

Answer: Class → Order → Family → Genus. K-P-C-O-F-G-S.

9.  
Humans belong to the family:

Correct Answer: C [Hominidae]

Explanation:

Primata = order, Mammalia = class, Chordata = phylum.

10.  
Archaebacteria that live in very salty areas are called:

Correct Answer: D [Halophiles]

Explanation:

Halo = salt; thermoacidophiles – hot springs; methanogens – marshes, gut of ruminants.

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