Biology MCQs – Page 75

✅ B. Chlorophyta

Option A: Rhodophyta Option B: Chlorophyta Option C: Phaeophyta Option D: Chrysophyta Correct Answer : Chlorophyta Read more

✅ D. Ancient bacteria

Option A: True bacteria Option B: False bacteria Option C: Recent bacteria Option D: Ancient bacteria Correct Answer : Ancient bacteria Read more

✅ D. Leeuwenhoek

Option A: Robert Koch Option B: Louis Pasteur Option C: Alexander Fleming Option D: Leeuwenhoek Correct Answer : Leeuwenhoek Read more

✅ D. Leeuwenhoek

Option A: Robert Koch Option B: Louis Pasteur Option C: Alexander Fleming Option D: Leeuwenhoek Correct Answer : Leeuwenhoek Read more

✅ C. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.

Option A: A specific organism can always be found in association with a given disease Option B: The organism can be isolated and grown in pure culture in the laboratories Option C: The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so. Option D: It is possible… Read more

✅ D. Capsule

Option A: Cell membrane Option B: Chromatin bodies Option C: Ribosomes Option D: Capsule Correct Answer : Capsule Read more

✅ C. 500 um

Option A: 0.1 -600 um Option B: 100-200 nm Option C: 500 um Option D: 0.75-1.25 um Correct Answer : 500 um Read more

✅ A. Chrysophyta

Option A: Chrysophyta Option B: Phaeophyta Option C: Pyrrophyta Option D: Rhodophyta Correct Answer : Chrysophyta Read more

✅ A. Pellicle

Option A: Pellicle Option B: Penicle Option C: Calcium Option D: Cell wall Correct Answer : Pellicle Read more

✅ A. Phaeophyta

Option A: Phaeophyta Option B: Rhodophyta Option C: Pyrrophyta Option D: Chrysophyta Correct Answer : Phaeophyta Read more

✅ B. Foraminiferans

Option A: Actinopods Option B: Foraminiferans Option C: Apicomplexans Option D: Radiolarians Correct Answer : Foraminiferans Read more

✅ D. Rhodophyta

Option A: Chrysophyta Option B: Phaeophyta Option C: Pyrrophyta Option D: Rhodophyta Correct Answer : Rhodophyta Read more

✅ A. Radiolarians

Option A: Radiolarians Option B: Forams Option C: Both of these Option D: None of these Correct Answer : Radiolarians Read more

✅ D. Algae

Option A: Kelps Option B: Gymnosperms Option C: Angiosperms Option D: Algae Correct Answer : Algae Read more

✅ A. Trichonymphas

Option A: Trichonymphas Option B: Trypanosoma Option C: Euglena Option D: Radiolarians Correct Answer : Trichonymphas Read more

✅ B. Actinopods

Option A: Zooflagellates Option B: Actinopods Option C: Foraminifera Option D: Apicomplexans Correct Answer : Actinopods Read more

✅ B. Starch

Option A: Cellulose Option B: Starch Option C: Glycogen Option D: All of these Correct Answer : Starch Read more

✅ D. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.

Option A: Contain mainly unicellular organisms. Option B: Their contractile vacoule is respobsible for water regulation. Option C: They are even capable of sexual reproduction. Option 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… Read more

✅ C. Both of these

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

✅ C. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium

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