1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Phloem in gymnosperms lacks :
A
Companion cells only
B
Both sieve tubes and companion cells
C
Albuminous cells and sieve cells
D
Sieve tubes only
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
What is the direction of movement of sugars in phloem?
A
Downward
B
Bi-directional
C
Non-multidirectional
D
Upward
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Which of the statements given below is not true about formation of Annual Rings in trees?
A
Activity of cambium depends upon variation in climate.
B
Annula ring are not prominent in trees of temperate region.
C
Annula ring is a combination of spring wood and autumn wood produced in a year.
D
Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Stomata in grass leaf are
A
kidney-shaped
B
barrel-shaped
C
dumb-bell shaped
D
rectangular
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