Algae
1.Which of the following is parasitic form of algae?
a.Spirogyra
b.Oedogonium
c.Cephaleuros
d.Oscillatoria
Ans------>c
2.Floridean starch occurs in
a.Myxophyceae
b.Rhodophyceae
c.Chlorophyceae
d.Phaeophyceae
Ans------>b
3.Spiral shaped chloroplast is found in
a.Algae
b.Ulothrix
c.Spirogyra
d.Volvox
Ans------>c
4.Spirogyra belongs to order
a.Conjugales
b.Ulothridiae
c.Chlamydomonas
d.Hepaticopsida
Ans------>a
5.Water bloom is caused by
a.Green algae
b.Red algae
c.Brown algae
d.BGA
Ans------>d
6.Brown algae is found in
a.River
b.Sea shore
c.Pond
d.Lake
Ans------>b
7.Reticulate type chloroplast is found in
a.Spirogyra
b.Oedogenium
c.Nostoc
d.Volvox
Ans------>b
8.Nostoc belongs to
a.Chlorophyceae
b.Cyanophyceaea
c.Rhodophyceae
d.Phaeophyceae
Ans------>b
9.True nucleus is not found in
a.Green algae
b.BGA
c.Brown algae
d.Red algae
Ans------>b
10.Nostoc reproduces by
a.Vegetative only
b.Vegetative and fragmentation
c.Budding
d.Gamete formation
Ans------>b
11.The gametes of chlamydomonas are
a.Uniflagellate
b.Biflagellated
c.Quadriflagellated
d.Multiflagellated
Ans------>b
12.All algae contains
a.Chl. A and carotene
b.Chl.B and carotene
c.Phycobilins and carotene
d.Chl. A and Chl. B
Ans------>a
13.Pyrenoids are
a.Proteins surrounded by starch.
b.Starch surrounded by oil droplets.
c.Starch surrounded by proteins grains.
d.None of the above.
Ans------>a
14.The algae which helps in nitrogen fixation belongs to class
a.Rhodophyceae
b.Chlorophyceae
c.Cyanophyceae
d.Phaeophyceae
Ans------>c
15.Sex org Ans in algae are generally a.Jacketed and unicellular b.Unicellular and non jacketed c.Multicellular and jacketed d.Multicellular and nonjacketed Ans------>b 16.Which of the following is used as bacteriological filter ? a.Batrachospermum b.Gelidium c.Oscillatoria d.cymbella Ans------>d 17.Agar-Agar is obtained from a.Green algae b.Brown algae c.Red algae d.BGA Ans------>c Agar Is obtained from Gelidium. /div> 18.An alga very rich in protein is a.Scytonema b.Spirulina c.Chlamydomonas d.Cosmarium Ans------>b 19.Chlorella aka space algae is used in space craft as a source
of a.Protein b.Oxygen c.Energy food d.None Ans------>b 20.Iodine is obtained from a.Red algae b.Brown algae c.BGA d.None Ans------>b