NEET-UG SERIES Biology
Viruses Viroids Prions And Lichens
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
2
2019 1
2017 3
2014 Chapter Questions 6 MCQs
01
PYQ 2014
medium
biology ID: neet-ug-
A location with luxuriant growth of lichens on the trees indicates that the:
1
Trees are heavily infested
2
Location is highly polluted
3
Location is not polluted
4
Trees are very healthy
02
PYQ 2014
medium
biology ID: neet-ug-
Which of the following shows coiled RNA strand and capsomeres?
1
Tobacco mosaic virus
2
Measles virus
3
Retrovirus
4
Polio virus
03
PYQ 2014
medium
biology ID: neet-ug-
Viruses have :
1
Prokaryotic nucleus
2
Single chromosome
3
Both DNA and RNA
4
DNA enclosed in a protein coat
04
PYQ 2017
medium
biology ID: neet-ug-
Viroids differ from viruses in having :
1
DNA molecules with protein coat
2
DNA molecules without protein coat
3
RNA molecules with protein coat
4
RNA molecules without protein coat
05
PYQ 2019
medium
biology ID: neet-ug-
Which of the following statements is incorrect?
1
Viroids lack a protein coat.
2
Viruses are obligate parasites.
3
Infective constituent in viruses is the protein coat.
4
Prions consist of abnormally folded proteins.
06
PYQ 2019
medium
biology ID: neet-ug-
Match Column-I with Column - II.
Choose the correct answer from the options given below:
LIST I | LIST II | ||
| A | Saprophyte | i | Symbiotic association of fungi with plant roots |
| B | Parasite | ii | Decomposition of dead organic materials |
| C | Lichens | iii | Living on living plants or animals |
| D | Mycorrhiza | iv | Symbiotic association of algae and fungi |
1
(a)-(i) (b)(ii) (c)- (iii) (d)-(iv)
2
(a)-(iii) (b)-(ii) (c)-(i) (d)- (iv)
3
(a)-(ii) (b)- (i) (c)-(iii) (d)-(iv)
4
(a)-(ii) (b)-(iii) (c)-(iv) (d)-(i)