1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The Earth summit held in Rio de Janeiro in 1992 was called :
A
to assess threat posed to native species by invasive weed species
B
for immediate steps to discontinue use of CFCs that were damaging the ozone layer
C
to reduce CO2 emissions and global warming
D
for conservation of biodiversity and sustainable utilization of its benefits
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Match Column-I with Column –II.

Column - I Column - II
(a) Saprophyte (i) Symbiotic association
or fungi with plant roots
(b) Parasite (ii) Decomposition of dead
organic materials
(c) Lichens (iii)Living on living plants of animals
(d) Mycorrhiza (iv) Symbiotic association of algae and fungi


Choose the correct answer from the options given below :
A
(a) (b) (c) (d)
(i) (ii) (iii) (iv)
B
(a) (b) (c) (d)
(iii) (ii) (i) (iv)
C
(a) (b) (c) (d)
(ii) (i) (iii) (iv)
D
(a) (b) (c) (d)
(ii) (iii) (iv) (i)
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Which one of the following population interactions is widely used in medical science for the production of antibiotics?
A
Commensalism
B
Mutualism
C
Parasitism
D
Amensalism
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Pneumatophores occur in
A
halophytes
B
free-floating hydrophytes
C
carnivorous plants
D
submerged hydrophytes
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