1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Nicotiana sylvestris flowers only during long days and N.tabacum flowers only during short days. If raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offspring. What is the best reason for considering N.sylvestris and N.tabacum to be separate species?
A
They cannot interbreed in nature
B
They are reproductively distinct
C
They are physiologically distinct
D
They are morphologically distinct
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Differentiation of shoot is controlled by
A
high auxin : cytokinin ratio
B
high cytokinin : auxin ratio
C
high gibberellin : auxin ration
D
high gibberellin : cytokinin ratio.
3
AIPMT 2003
MCQ (More than One Correct Answer)
+4
-1
Out of Syllabus
Which one of the following pairs is not correctly matched?
A
Vitamin C   -   Scurvy
B
Vitamin B2   -   Pellagra
C
Vitamin B12   -   Pernicious anaemia
D
Vitamin B6   -   Beri-beri
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
During prolonged fastings, in what sequence are the following organic compounds used up by the body?
A
First carbohydrates, next fats and lastly proteins
B
First fats, next carbohydrates and lastly proteins
C
First carbohydrates, next proteins and lastly lipids
D
First proteins, next lipids and lastly carbohydrates.
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12