۸:0۷

D-None of these
Correct Answer: Option-C

QuestionS7:-Root wilt 15 2 serious disease causing havoc in Kerala coconut plantations.
‘Ache disease is caused by Plant hopper and lacewing bug
B:-The disease is caused by Phytoplasma, Plant hopper and lacewing bug spreads the disease
ണമ disease is caused by Phytoplasma Plant hopper spreads the disease
ണം disease is caused by Phytoplasma and spread by wind
Correct Answer: Option ®

QuestionS8::Which of this is 8 recently (17 2019) reported bryophyte from Kerala 7
‘A-Cololejeunea manilalia
नि polymorpha
ಸಂರ nilagirica
D-Riccia sahyadrica
Correct Answer:- Option-D

‘Question59::Which among the following is Not a class in the recent classification of Pteridophytes by
Smith ?

A-Equisetopsida
B:-Psilotopsida
CoMarattiopsida
D:-Sphaenopsida
Correct Answer: Option-D
‘Question60:-Archaeosperma ௭0௦141 is a remarkable fossil found from the famennian of Penysylvania, USA. What makes this fossil remarkable 7
1. tis the 1 record of angiosperm fossil
॥. tis the earliest ovuliferous structure due to the presence of cupules

1॥. ttis indication of early seed habit due to the presence of Endosperm
Which of thase statements are true 7

Aol
Bel and 11
col

Det. and it

Correct Answer: Option-C
Question61::Which of these plants yield an anticancer drug ?

இயக plicata

B:-Podocarpus wallichianus

மொலய brevifolia

D:-Juniperus bermudiana

Correct Answer: Option-C
Question62::Which of the following statements are true about R-Plasmids ?
۱ ‏5ا‎ extrachromosomal genetic material
Il thave genes encoding bacterial toxins

1॥. ttis circular and confer resistance to antibiotics
IV. It can spread fast in bacterial populations

Acland ॥
Bel and ۷
Cell and it
டப்ப

Correct Answer: Option-D
Question63:A:-Holocene extinction
B:-Devonian extinction

CCretaceous-tertiary extinction