bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. E. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte. a.
B, C and E b. A, C and D c. B, C and D d. A, D and E .
An example of colonial alga is (NEET – ) a. Chlorella b. Volvox c. Ulothrix d.
Spirogyra . Five kingdom system of classification suggested by R.H. Whittaker is not based on (AIPMT – ) a. Presence or absence of a well defined nucleus b.
Mode of reproduction c. Mode of nutrition d. Complexity of body organisation . Mycorrhizae are the example of (NEET – ) ` a.
Fungitasis c. Amensalism b. Antibiosis d. Mutualism .
How many organisms in the list below are autotrophs? (AIPMT Mains ) Lactobacillus , Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia a. Four b. Five c.
Six d. Three . Which of the following would appear as the pioneer organisms on bare rocks? (NEET – ) a.
Lichens b. Liverworts c. Mosses d. Green algae .
Monoecious plant of Chara shows occurrence of (NEET- ) a. Stamen and carpel on the same plant b. Upper antheridium and lower oogonium on the same plant c. Upper oogonium and lower antheridium on the same plant d.
Antheridiophore and archegonio- phore on the same plant . Read the following five statement (A-E) and answer as asked next to them (AIPMT Prelims – ) a. In Equisetum , the female gametophyte is retained on the parent sporophyte b. In Ginkgo , male gametophyte is not independent c.
The sporophyte in Riccia is more developed than that in Polytrichum d. Sexual reproduction in Volvox is isogamous e. The spores of slime moulds lack cell walls How many of the above statement are correct? (AIPMT Prelims – ) a.
Two b. Three c. Four d. One One of the major components of cell wall of most fungi is (NEET – ) a.
Chitin b. Peptidoglycan c. Cellulose d. Hemicellulose .
Which one of the following statements is wrong? (NEET