1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Grass leaves curl inward during very dry weather. Select the most appropriate reason from the following :
A
Shrinkage of air spaces in spongy mesophyll
B
Tyloses in vessels
C
Closure of stomata
D
Flaccidity of bulliform cells
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct sequence of phases of cell cycle is :
A
S $$ \to $$ G1 $$ \to $$ G2 $$ \to $$ M
B
G1 $$ \to $$ S $$ \to $$ G2 $$ \to $$ M
C
M $$ \to $$ G1 $$ \to $$ G2 $$ \to $$ S
D
G1 $$ \to $$ G2 $$ \to $$ S $$ \to $$ M
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Persistent nucellus in the seed is known as
A
Hilum
B
Tegmen
C
Chalaza
D
Perisperm
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
A
Central cell develop into endosperm
B
Ovules develop into embryo sac
C
Ovary develops into fruit
D
Zygote develops into embryo