1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
A
female gametophyte is free and gets dispersed like seeds.
B
female gametophyte lacks archegonia.
C
megaspores possess endosperm and embryo surrounded by seed coat.
D
embryo develops in female gametophyte which is retained on parent sporophyte.
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Consider the following four statements whether they are correct or wrong.
A.   The sporophyte in liverworts is more eleborate than that in mosses.
B.    Salvinia is heterosporous.
C.   The life-cycle in all seed-bearing plants is diplontic.
D.   In Pinus male and female cones are borne on different trees.

The two wrong statements together are
A
A and C
B
A and D
C
B and C
D
A and B.
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Ureters act as urinogenital ducts in
A
human males
B
human females
C
both male and female frogs
D
male frogs
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Consider the following four statements (A$$-$$D) related to the common frog Rana tigrina, and select the correct option starting which ones are true (T) and which ones are false (F). Statements:
A.  On dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days.
B.  It has four-chambered heart.
C.  On dry land it turns uricotelic from ureotelic.
D.  Its life-history is carried out in pond water.
A
A-T,  B-F,  C-F,  D-T
B
A-T,  B-T,  C-F,  D-F
C
A-F,  B-F,  C-T,  D-T
D
A-F,  B-T,  C-T,  D-F
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