61. Which of the
following is true for Golden rice?
(1) It is Vitamin A
enriched, with a gene from daffodil
(2) It is pest
resistant, with a gene from Bacillus thuringiensis
(3) It is drought tolerant, developed using Agrobacterium
vector
(4) It has yellow grains, because of a gene introduced from
a primitive variety of rice
Answer (1) It is Vitamin A enriched, with a gene from daffodil
62. Pinus seed cannot
germinate and established without fungal association. This is because :
(1) its embryo is
immature.
(2) it has obligate association with mycorrhizae.
(3) it has very hard
seed coat.
(4) its seeds contain
inhibitors that present germination.
Answer (2) it has obligate association with mycorrhizae.
63. Which of the
following features of genetic code does allow bacteria to produce human insulin
by recombinant DNA technology?
(1) Genetic code is not ambiguous
(2) Genetic code is redundant
(3) Genetic code is nearly universal
(4) Genetic code is specific
Answer (3) Genetic code is nearly universal
64. Which of the
following sexually transmitted diseases is not completely curable?
(1) Gonorrhoea (2)
Genital warts (3) Genital herpes (4) Chlamydiasis
Answer (3) Genital herpes
65. Which of the
following statements is incorrect?
(1) Viroids lack a
protein coat.
(2) Viruses are obligate parasites.
(3) Infective
constituent in viruses is the protein coat.
(4) Prions consist of
abnormally folded proteins.
Answer (3) Infective constituent in viruses is the protein coat.
66. Match the
following organisms with their respective characteristics :
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia
(iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct
option from the following : (a) (b) (c) (d)
(1) (iii) (ii) (i) (iv)
(2) (iii) (iv) (ii) (i)
(3) (ii) (iv) (iii)
(i)
(4) (iii) (ii) (iv)
(i)
Answer (2) a-(iii), b- (iv),c-
(ii),d- (i)
67. Expressed
Sequence Tags (ESTs) refers to :
(1) Genes expressed as RNA
(2) Polypeptide expression
(3) DNA polymorphism
(4) Novel DNA
sequences
Answer (1) Genes expressed as
RNA
68. Which is of the
following statements is incorrect?
(1) Morels and truffles are edible delicacies.
(2) Claviceps is a source of many alkaloids and LSD.
(3) Conidia are produced exogenously and ascospores
endogenously.
(4) Yeasts have
filamentous bodies with long thread-like hyphae.
Answer (4) Yeasts have
filamentous bodies with long thread-like hyphae.
69. Match Column - I
with Column – II
Column – I Column - II
(a) Saprophyte (i)
Symbiotic association of fungi with plant roots
(b) Parasite (ii)
Decomposition of dead organic materials
(c) Lichens (iii)
Living on living plants or animals
(d) Mycorrhiza (iv) Symbiotic association of algae and fungi
Choose the correct answer from the option given below
(a) (b) (c) (d)
(1) (i) (ii) (iii) (iv)
(2) (iii) (ii) (i)
(iv)
(3) (ii) (i) (iii) (iv)
(4) (ii) (iii) (iv)
(i)
Answer (4)
70. Which of the
following glucose transporters is insulin-dependent?
(1) GLUT I (2) GLUT II (3) GLUT III (4) GLUT IV
Answer :(4) GLUT
IV