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Biology 1525 MCQs [All-Courses]

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Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

All Topics  1525

Based on molecular data euglenoids are thought to be closely related to___________?

A Dinoflagellates
B Zooflagellates
C Protozoans
D Algae
Correct Answer: Zooflagellates

Stentor is a/an____________?

A Ciliate
B Foraniniferan
C Actinopods
D Apicomplexan
Correct Answer: Ciliate

All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________?

A True
B False
C May be true may be false
D Unpredictable
Correct Answer: False

Kingdom protista includes_____________phyla?

A 27
B 28
C 26
D 29
Correct Answer: 27

Most dinoflagellates are___________?

A Unicellular
B Multicellular
C Both of these
D Zooflagellates
Correct Answer: Unicellular

Plasmodium belongs to__________?

A Ciliates
B Apicomplexans
C Actinopods
D Foraminferans
Correct Answer: Apicomplexans

The most important group of producers in marine ecosystem is of__________?

A Diatoms
B Euglenoids
C Dinoflagellates
D Brown algae
Correct Answer: Diatoms

Lime stone deposits are formed from__________?

A Zooflagellates
B Foraminferans
C Aetinopods
D Apicomplexans
Correct Answer: Foraminferans

Of the following which one is not the characteristic of dinoflagellates?

A Most of them are unicellular
B They have blooms
C Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
D None of these
Correct Answer: Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium

Examples of Rhodophytes are___________?

A Chondrus
B Polysiphonia
C Both of these
D Pinnularia
Correct Answer: Both of these
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