1. The Earth Summit
held in Rio de Janeiro in 1992 was called
10. Select the correct
sequence of organs in the alimentary canal of cockroach starting from mouth
(1) to reduce CO2 emissions and global warming
(2) for the 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
Answer : (2) for conservation
of biodiversity and sustainable utilization of its benefits
2. Colostrum the
yellowish fluid, secreted by mother during the initial days of lactation is very essential to
impart immunity to the newborn infants because it contains
(1) Natural killer cells (2) Monocytes (3) Macrophages (4) Immunoglobulin A
Answer: (4) Immunoglobulin
A
3. 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
Answer (2) Flaccidity
of bulliform cells
4. The shorter and
longer arms of a submetacentric chromosome are referred to as
(1) s-arm and l-arm respectively (2) p-arm and q-arm
respectively
(3) q-arm and p-arm respectively (4) m-arm and n-arm
respectively
Answer (2) p-arm and
q-arm respectively
5. Respiratory
Quotient (RQ) value of tripalmitin is
(1) 0.9 (2) 0.7 (3) 0.07 (4) 0.09
Answer (2) 0.7
6. Which of the following
is a commercial blood cholesterol lowering agent?
(1) Cyclosporin A (2) Statin (3) Streptokinase (4) Lipases
Answer :(2) Statin
7. 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)
Answer: (3) a-(iii), b-(iv),c- (i),d- (ii)
8. Which part of the
brain is responsible for thermoregulation?
(1) Cerebrum (2)
Hypothalamus (3) Corpus callosum (4) Medulla oblongata
Answer :(2) Hypothalamus
9. Consider the following
features
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all
the above characteristics:
(1) Annelida, Arthropoda and Chordata
(2) Annelida, Arthropoda and Mollusca
(3) Arthropoda, Mollusca and Chordata
(4) Annelida, Mollusca and Chordata
Answer : (1) Annelida,
Arthropoda and Chordata
(1) Pharynx ->
Oesophagus -> Crop -> Gizzard ->Ileum ->Colon -> Rectum
(2) Pharynx ->
Oesophagus -> Gizzard -> Crop-> Ileum ->Colon ->Rectum
(3) Pharynx ->
Oesophagus ->Gizzard ->Ileum -> Crop ->Colon->Rectum
(4) Pharynx ->
Oesophagus -> Ileum -> Crop->Gizzard -> Colon -> Rectum
Answer (1) Pharynx ->
Oesophagus -> Crop -> Gizzard ->Ileum ->Colon -> Rectum