41. Metamorphosis in cockroach is regulated mainly by
(A) Corpora cardiaca
(B) Prothora gland
(C) Corpora allata
(D) Brain
Show Answer
Hide Answer
42. Which genetically engineered microbe used in production of human insulin ?
(A) Bacillus thuringiensis
(B) Rhizobium meliloti
(C) Escherichia coli
(D) Pseudomonas putida
Show Answer
Hide Answer
43. ‘Mother of Pearl’ is known as
(A) Conchyolin
(B) Calcite
(C) Nacre
(D) None of these
Show Answer
Hide Answer
44. A botanical name in which specific epithet repeats exactly the generic name is called
(A) Tautonym
(B) Synonym
(C) Homonym
(D) Autonym
Show Answer
Hide Answer
45. Montane zone of Western Himalayan Floristic region extends from
(A) 1,000 to 5,000 ft. above sea level
(B) 5,000 to 10,000 ft. above sea level
(C) 5,000 to 11,675 ft. above sea level
(D) 6,000 to 11,675 ft. above sea level
Show Answer
Hide Answer
46. Some ecologists prefer to call the green plants as “transducers” in place of
(A) Converters
(B) Consumers
(C) Producers
(D) Pioneers
Show Answer
Hide Answer
47. Ozone is present in large concentration in
(A) Ionosphere
(B) Stratosphere
(C) Arctic region
(D) Antarctic region
Show Answer
Hide Answer
48. Angular divergence in pentastichous phyllotaxy is
(A) 1/3 of 360°
(B) 2/5 of 360°
(C) ½ of 360°
(D) 1/4 of 360°
Show Answer
Hide Answer
49. Synandrous stamens are found in family
(A) Asteraceae
(B) Malvaceae
(C) Cucurbitaceae ay
(D) Papilionaceae
Show Answer
Hide Answer
50. Consider the following statements :
1. All fishes lay eggs.
2. All birds do not fly.
3. All lizards are poisonous.
4. Poison of viper is neurotoxic.
5. None of the mammals are poisonous
Of these statements :
(A) Only 1 and 2 are correct
(B) Only 2.3 and 4 are correct
(C) Only 2 and 5 are correct
(D) Only 2 is correct
Show Answer
Hide Answer
51. Stain used for Gram staining is
(A) Aniline Blue
(B) Cotton Blue
(C) Crystal Violet
(D) Trypan Blue
Show Answer
Hide Answer
52. Custard-apple (Annona squamosa) is a
(A) Composite fruit
(B) Simple fruit
(C) Aggregate fruit
(D) Syconus fruit
Show Answer
Hide Answer
53. Amphiphloic siphonostele is found in
(A) Lycopodium
(B) Ephedra
(C) Selaginella
(D) Marsilea
Show Answer
Hide Answer
54. Duplication of which region is expressed as bar-eye character in Drosophila ?
(A) 16 A of Y-chromosome
(B) 16 A of X-chromosome
(C) 18 A of Y- chromosome
(D) 18 B of Y-chromosome
Show Answer
Hide Answer
55. Isobilateral arrangement of spores in pore-tetrad is reported in which plant?
(A) Riccia personii
(B) Marchantia Palmata
(C) Pellia epiphylla
(D) Anthoceros laevis
Show Answer
Hide Answer
56. In angiosperms, the megasporangium is represented by
(A) Carpel
(B) Ovary
(C) Ovule
(D) Embryosac
Show Answer
Hide Answer
57. Methemoglobinemia is caused by
(A) Nitrate fertilizers
(B) Lead toxicity
(C) Fluorides in drinking water
(D) Oxitocin
Show Answer
Hide Answer
58. Origin of seed-habit can be traced from which plant ?
(A) Lycopodium
(B) Selaginella
(C) Cycas
(D) Pinus
Show Answer
Hide Answer
59. Phenomenon of triple fusion’ is reported from
(A) Chlamydomonas
(B) Oedogonium
(C) Fucus
(D) Padina
Show Answer
Hide Answer
60. The blood capillaries of intestinal villi can not absorb
(A) Fatty acid and glycerol
(B) Glucose
(C) Salts
(D) Amino acids
Show Answer
Hide Answer
Leave a Reply