1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Male gametophyte in angiosperms produces
A
single sperm and two vegetative cells
B
three sperms
C
two sperms and a vegetative cell
D
single sperm and a vegetative cell.
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which one of the following may require pollinators, but is genetically similar to autogamy?
A
Apogamy
B
Cleistogamy
C
Geitonogamy
D
Xenogamy
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which of the following are the important floral rewards to the animal pollinators ?
A
Floral fragrance and calcium crystals
B
Protein pellicle and stigmatic exudates
C
Colour and large size of flower
D
Nectar and pollen grains
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is not true?
A
The flowers pollinated by files and bats secrete foul odour to attract them.
B
Honey is made by bees by digesting pollen collected from flowers.
C
Pollen grains are rich in nutrients and they are used in the form of tablets and syrups.
D
Pollen grains of some plants cause severe allergies and bronchial afflictions in some people.
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Medical
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CBSE
Class 12