M C Q s D r i v e

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.

Which of the following statement about eiliates in incorrect_____________?
A Contain mainly unicellular organisms.
B Their contractile vacoule is respobsible for water regulation.
C They are even capable of sexual reproduction.
D Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
Correct Answer: Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
In chlorophytes the main energy stores are__________?
A Cellulose
B Starch
C Glycogen
D All of these
Correct Answer: Starch
Radiolarians belong to which of the following protozoal group____________?
A Zooflagellates
B Actinopods
C Foraminifera
D Apicomplexans
Correct Answer: Actinopods
Of the following which one is not the characteristic of green algae?
A Some green algae possess cell wall with cellulose
B They are generally accepted as the ancestors of green plants
C Chlorella is unicellular non-motile green algae
D None of these
Correct Answer: Some green algae possess cell wall with cellulose
Which of the protozoa has a striking resemblance to collar cells in sponges_____________?
A Zooflagellates
B Choanflagellates
C Trypanosomoa
D Trichonymphas
Correct Answer: Choanflagellates
In slime molds spores develop into__________?
A Swarm cells
B Biflagellated cells
C Amoeboid reproductive cells
D All of these
Correct Answer: All of these
Who first separated bacteria from other protists as a group_____________?
A John Hogg
B Ernst Haeckel
C Margulis and Schwartz
D Herbert Copeland
Correct Answer: Herbert Copeland
Spores produced by slime molds are__________?
A Haploid
B Diploid
C Triploid
D None of these
Correct Answer: Haploid
Which of the following statement about Kingdom Protista is incorrect_______________?
A Their members have characteristics which separate them from other kingdoms
B They only include unicellular aquatic eukaryotic organisms
C They do not develop from Blastula or embryo
D They contain ancestors for fungi plants & animals
Correct Answer: They only include unicellular aquatic eukaryotic organisms
Which of the following is responsible for Irish potato famine?
A Dinoflagellates
B Kleps
C Physarum polycephalum
D Phytophthora infestans
Correct Answer: Phytophthora infestans