- The Plasmodium initially multiplies within the liver cells and
then attacks the red blood cells, resulting in their rupture.
The rupture of RBCs is associated with release of a toxic
substance
(a) hirudin (b) heparin
(c) heptoin (d) haemozoin. - When are interferons secreted in the body?
(a) When antibody reacts with antigen in our body.
(b) When serotonin becomes active.
(c) When lymphocytes become active.
(d) When the cells are infected by virus. - Dr. Alexander Fleming observed inhibition zone around a
blue mould in a contaminated Staphylococcus culture Petri
plate. This led to the discovery of
(a) antibiotics (b) antitoxins
(c) antibodies (d) antigens. - MOET is a programme that is used to increase
(a) herd size (b) disease resistance
(c) biomass (d) yield. - Nomenclature of enzymes is done on the basis of
(a) the substrate on which they act
(b) the type of reactions they catalyse
(c) the end products formed
(d) the co-factors they are associated with. - Some cells in adult animals do not divide. They exit G 1 phase
and enter an inactive stage which is called as
(a) G 2 phase (b) G 0 phase
(c) S phase (d) M phase. - Which of the below mentioned structures does not form a
part of the endomembrane system?
(a) Golgi complex (b) Endoplasmic reticulum
(c) Mitochondria (d) Vacuoles - Which of the 4 names are correctly written as per rules of
binomial nomenclature?
(a) SOlANuM MElONGENA
(b) Solanum melongena
(c) Solanum Melongena
(d) solanum melongena - Which of the following is correctly matched with its
particular toxonomic category?
(a) Triticum aestivum - Species
(b) Fishes - Pisces - Phylum
(c) Man - Primate - Family
(d) Mango - Sapindales - Class - The group of fungi that are called fungi imperfecti are
(a) Ascomycetes (b) Zygomycetes
(c) Deuteromycetes (d) Basidiomycetes.
41. If the energy produced at the level of the producers is
1000 J, the energy available for the secondary consumers is
(a) 1000 J (b) 100 J
(c) 10 J (d) 1 J.
42. For the sedimentary type of biogeochemical cycles the
reservoir is
(a) atmosphere (b) water
(c) earth’s crust (d) living organisms.
43. In hormone action, if receptor molecules are removed from
the target organ, the target organ will
(a) continue to respond to hormone
(b) not respond to hormone
(c) continue to respond but requires higher concentration
(d) continue to respond, but in the opposite direction.
44. The principal nitrogenous excretory compound in humans is
synthesized in
(a) kidneys as well as eliminated by kidneys
(b) liver, but eliminated mostly through kidneys
(c) kidneys but mostly eliminated through liver
(d) liver and also eliminated by the same through bile.
45. The flight muscles in an eagle has more of aerobic muscles.
These muscles are also called “Red fibre” because they are
rich in
(a) haemoglobin (b) sarcoplasmic reticulum
(c) myoglobin (d) globulin.
46. The correct path followed by sound waves from external ear
to inner ear is
(a) ear drum - basilar membrane - auditory ossicles - fluid
of cochlea - hair cells
(b) ear drum - auditory ossicles - fluid of cochlea - basilar
membrane - hair cells
(c) ear drum - fluid of cochlea - auditory ossicles - hair
cells - basilar membrane
(d) ear drum - hair cells - auditory ossicles - basilar
membrane - fluid of cochlea.
47. The lobe of pituitary that secretes melanocyte stimulating
hormone is
(a) anterior lobe (b) posterior lobe
(c) intermediate lobe (d) none of above.
48. Transport proteins of endodermal cells are control points,
where a plant adjusts the quantity and type of solutes
that reach the xylem. Root endodermis is able to actively
transport ions in one direction only because of the layer
of
(a) actin (b) lignin
(c) suberin (d) cellulose.
ff
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