1
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is wrong?
A
When pollen is shed at two-celled stage, double fertilization does not take place.
B
Vegetative cell is larger than generative cell.
C
Pollen grains in some plants remain viable for months.
D
Intine is made up of cellulose and pectin.
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Plants with ovaries having only one or a few ovules, are generally pollinated by
A
bees
B
butterflies
C
birds
D
wind.
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Both, autogamy and geitonogamy are prevented in
A
Papaya
B
cucumber
C
castor
D
maize.
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
A
cuticle
B
sporopollenin
C
lignin
D
cellulose.
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12