The Earth Summit held in Rio de Janeiro in
1992 was called
(1) To reduce ``CO_2 ``emissions and global
warming
(2) for conservation of biodiversity and
sustainable utilization of its benefits
(3) to assess threat posed to native species
by invasive weed species
(4) for immediate steps to discontinue use of
CFCs that were damaging the ozone layer

Grass leaves curl inwards during very dry
weather. Select the most appropriate reason
from the following
(1) Closure of stomata
(2) Flaccidity of bulliform cells
(3) Shrinkage of air spaces in spongy
mesophyll
(4) Tyloses in vessels

Match the following structures with their
respective location in organs
(a ) Crypts of Lieberkuhn (i) Pancreas
(b) Glisson's Capsule (ii) Duodenum
(c) Islets of Langerhans (iii) Small intestine
(d) Brunner's Glands (iv) Liver
Select the correct option from the following
(a ) (b) (c) (d)
(1) (iii) (i) (ii) (iv)
(2) (ii) (iv) (i) (iii)
(3) (iii) (iv) (i) (ii)
(4) (iii) (ii) (i) (iv)

Select the correct sequence of organs in the
alimentary canal of cockroach starting from
mouth
(1) Pharynx ``\rightarrow`` Oesophagus ``\rightarrow`` Crop ``\rightarrow`` Gizzard
``\rightarrow`` Ileum ``\rightarrow`` Colon ``\rightarrow`` Rectum
(2) Pharynx ``\rightarrow`` Oesophagus ``\rightarrow`` Gizzard ``\rightarrow`` Crop
``\rightarrow`` Ileum ``\rightarrow`` Colon ``\rightarrow`` Rectum
(3) Pharynx ``\rightarrow`` Oesophagus ``\rightarrow`` Gizzard ``\rightarrow``
Ileum ``\rightarrow`` Crop ``\rightarrow`` Colon ``\rightarrow`` Rectum
(4) Pharynx ``\rightarrow`` Oesophagus ``\rightarrow`` Ileum ``\rightarrow`` Crop
``\rightarrow`` Gizzard ``\rightarrow`` Colon ``\rightarrow`` Rectum

Select the correct statement :
(1) Franklin Stahl coined the term "linkage".
(2) Punnett square was developed by a British
scientist.
(3) Spliceosomes take part in translation.
(4) Transduction was discovered by S. Altman.