1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
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
Change Language
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in :
A
Pteridophytes
B
Mosses
C
Liverworts
D
Gymnosperms
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following organisms with the products they produce :
(a) Lactobacillus (i) Cheese
(b) Saccharomyces cerevisiae (ii) Curd
(c) Aspergillus nige (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid

Select the correct option.
A
(a) (b) (c) (d)
(iii) (iv) (v) (i)
B
(a) (b) (c) (d)
(ii) (i) (iii) (v)
C
(a) (b) (c) (d)
(ii) (iv) (v) (iii)
D
(a) (b) (c) (d)
(ii) (iv) (iii) (v)
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following can be used as a biocontrol agent in the treatment of plant disease?
A
Anabaena
B
Lactobacillus
C
Trichoderma
D
Chlorella