Biology Algae MCQs for NEET, AIIMS, JIPMER
These MCQs on Algae prepared by thelivelearns team are most important part of all medical entrance exam including NEET, AIIMS, JIPMER and other Exams.
1. Spirogyra is tound in.
(1) floating on water surface
(2) in stagnant waters
(3) submerged in waters
(4) tidal waters
02. In Spirogyra conjugation occurs when conditions are
(1) favourable
(4) very cold
(2) unfavourable
(3) extremely hot
03. The species of Spirogyra showing scalariform conjugation are
(1) bisexual
(4) heterothallic
(3) homothallic
(2) monoecious
04. In Spirogyra meiosis occurs during.
(1) conjugation
(2) vegetative reproduction
(3) formation of gametes
(4) germination of zygospore
05. Spirogyra belongs to
(1) chlorophyceae
(2) rhodophyceae
(3) phaeophyceae
(4) myxophyceae
06. Homothallic species of Spirogyra show. Conjugation.
(1) lateral1
(2) scalariform
(3) indirect
(4) terminal but scalariform
07. In isogamy both male and the female gametes are. Similar
(1) morphologically
(2) physiologically
(3) metabolícally
(4) anatomically
8. Algae are mostly
(2) autotrophic and chemosynthetic
(1) heterotrophic and chemosynthetic
(4) autotrophic and photosynthetic
(3) heterotrophic and photosynthetic
9. The giants among the algae are
(4) Laminaria
(3) Dictyota
(2) Macrocystis
(1) Microcystis
10. Agar is obtained
(4) Chlorella
(2) Spirogyra
(2) Gnetum
(1) Gracilaria
11. iS a protein rich prokaryotic alga.
(4) Chlorella
(3) Spiro8yra
(2) Spirulina
(1) Chlamydomonas
12. Chlorophyll a and carotenes are present in algae.
(4) red
(3) only a few
(2) green
(1) all
13. Diatoms have a heavy deposition of .. making them resistant to decay.
(2) gelatine
(1) waterproof substances
(4) silicon dioxide
(3) carageenin
14. Hypnospores are and greatly thickened asexual spores.
(4) small
(3) very large
(2) non-motile
(1) motile
15. Filaments of Spirogyra are
(2) uniseriate and unbranched
(1) multiseriate and branched
(4) multiseriate and unbranched
(3) uniseriate and branched
ANSWER
1. (2) 2. (2) 3. (4) 4. (4) 5. (1) 6. (1) 7. (1) 8. (4) 9. (2) 10. (1) 11. (2) 12. (1) 13. (4) 14. (2) 15. (2)