1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia
A
can induce root nodules on many plant species
B
can fix nitrogen in the free-living state
C
cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids
D
like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex.
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For retting of jute the fermenting microbe used is
A
methanophilic bacteria
B
butyric acid bacteria
C
Helicobactor pylori
D
Streptococcus lactin.
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Auxospores and hormogonia are formed, respectively, by
A
some diatoms and several cyanobacteria
B
some cyanobacteria and many diatoms
C
several cyanobacteria and several diatoms
D
several diatoms and a few cyanobacteria.
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Match items in column $${\rm I}$$ with those in column $${\rm I}$$$${\rm I}$$.

Column $${\rm I}$$ Column $${\rm I}$$$${\rm I}$$
(A) Peritrichous flagellation (J) Ginkgo
(B) Living fossil (K) Macrocystis
(C) Rhizophore (L) Eschericha coli
(D) Smallest flowering plant (M) Selaginella
(E) Largest perennial alga (N) Wolffia

Select the correct answer from the following.
A
(A) - (L);  (B) - (J);  (C) - (M);  (D) - (N);  (E) - (K)
B
(A) - (K);  (B) - (J);  (C) - (L);  (D) - (M);  (E) - (N)
C
(A) - (N);  (B) - (L);  (C) - (K);  (D) - (N);  (E) - (J)
D
(A) - (J);  (B) - (K);  (C) - (N);  (D) - (L);  (E) - (K)