In grasses leaves are exposed when bulliform cells becomes­­­­_________ and leaves curl inwards when they are _________

1.	flaccid ,turgid	2.	plasmolysed, turgid
3.	turgid, flaccid	4.	Both B and A

Sclerenchymatous fibres are

How many elements of the xylem are dead
1. four
2. three
3. two
4. one

Which one is true regarding xylem?

The type of primary xylem when protoxylem lies towards the pith is known as
1. endarch
2. exarch
3. endoexarch
4. Both (1) and (3)

Which one is true for dicot leaf

The size of the vascular bundles are dependent on the size of the

Midrib and veins of the leaf represent

Which of the following is true for palisade parenchyma?

The tissues present between the adaxial and abaxial epidermis are