D:-Devonian extinction
Correct Answer: Option:

‘Question64:-Consider the following type of secondary thickening in Xylem

| Annular
I. Pitted
IM, Helical
1४ Reticulate
Which is the correct order of progression 7
Act I, and Iv
Bell 1, 1V and i
Col, Wand 1
0:1೪, |, ll and I

Correct Answer:- Option-C
Question65:-P-Protein can be seen in
‘AcPhloem Parenchyma
Bs-xylem Parenchyma
C-Sieve tube elements
Companion cells
Correct Answer:- Option-C
Question66:-Replacing the dehydrating agent in sections with a solvent of paraffin is called clearing because
‘Act clears alcohol from the sections
Belt makes the material brittle
C:Most clearing agents makes the sections more translucent
D-None of these
Correct Answer:- Option-C
Question67:-The endometaphase can be seen in
‘AAbnormal Mitosis in Tapetum
B:-Metaphase without wall formation in Endosperm haustorium
C-Abnormal Metaphase in Endathecium
D-Abnormal Metaphase in Endosperm
Correct Answer:- Option-é
Question68:-The speciation event due to founder effect in small populations is known by
‘AcAllopatric
B:-Sympatric
C:Parapatric
D-Peripatric
Correct Answer:- Option-D
Question69:-The primitive condition of apocarpy NOT seen in
‘Ac Magnoliaceae
B:-Ranunculaceae
CCapparidaceae
D-All of these
Correct Answer:- Option-C
Question70::Which among the following is an Eponym ?
‘A Oryza malampuzhensis
B:-Rotala vasudevani
ಆ sessilis
D-Narcissus pseudonarcissus
Correct Answer:- Option ®
Question71::Which among the following trait can be considered as a synapomorphy for eudicats ?
‘AcqTwo Cotyledons

B:-Tricolpate Pollen