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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

Notochord is present throughout life in___________?
A Urochordates
B Cephalochordates
C Chordates
D Vertebrates
Correct Answer: Cephalochordates
Which of the following fishes contained lungs?
A Lamprey
B Perch
C Plaice
D Dipnoi
Correct Answer: Dipnoi
Mammals became dominant in__________?
A Proterozoic era
B Mesozoic era
C Paleozoic era
D Cenozoic era
Correct Answer: Cenozoic era
Which of the following are motile zooids in cnidarians?
A Polyps
B Medusae
C Both of these
D None of these
Correct Answer: Medusae
In sponges fertilization takes place in____________?
A Ectoderm
B Mesenchyme
C Endoderm
D Uterus
Correct Answer: Mesenchyme
Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of ___________________?
A Lycopods
B Ferns
C Seed plants
D Both b and c
Correct Answer: Both b and c
Which of the following plant group first formed true leaves________________?
A Psilopsida
B Lycopsida
C Sphenopsida
D Pteropsida
Correct Answer: Lycopsida
Sporophyte is____________?
A Monoploid
B Haploid
C Diploid
D Polyploidy
Correct Answer: Diploid
Ground pries are also known as___________?
A Lycopods
B Spike mosses
C Both of these
D None of these
Correct Answer: Both of these
The zygote formed in liverworts is___________?
A Unicellular
B Mulicellular
C Multinucleate
D None of these
Correct Answer: Unicellular
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