- A cross that involves two different genera is
called
(a) Monohybrid cross
(b) Intergeneric cross
(c) Interspecific cross
(d) None of the above
- The incorrect statement is
(a) In Nepenthes, the lamina forms a pitcher-like
structure.
(b) Utricularia leaves modify to form bladder-
like structure.
(c) Drosera leaves are reproductive in nature.
(d) Bryophyllum leaves helps in vegetative
propagation.
- What is not true for primary succession?
(a) Humus or organic matter is absent in the
early stages
(b) The area is barren from the beginning
(c) Reproductive structures of previous living
beings may be present
(d) Takes more time as compared to secondary
succession
- Select the correct statement
(a) Two strands are parallel and complimentary.
(b) Two strands are anti- parallel and non-
complimentary.
(c) Two strands are anti- parallel and
complimentary.
(d) All the above
- Viruses, transposons and plasmids all share an
important feature i.e., all of them are
(a) Single stranded nucleotide chains
(b) Mobile genetic elements
(c) Double stranded circular DNAs
(d) Usable in RNA guided gene silencing
- When phloem is completely surrounded by
xylem, the vascular bundle is called
(a) Concentric leptocentric/amphivasal
(b) Concentric amphicribal
(c) Conjoint collateral
(d) Conjoint bicollateral
- Study the given table A,B,C and identify the
correct enzyme , its use and the organism from
which it is extracted.
A B C
(a) Streptokinase Removing Trichoderma
oil stain polysporum
(b) Protease Removing Trichoderma
oil stain polysporum
(c) Streptokinase Clearing Pseudomonas sps
oil spills
(d) Lactase Removing Aspergillus
oil stain niger
- Photophosphorylation takes place during
(a) Daytime
(b) Night time
(c) Both during day and night
(d) On rainy days only
- The most striking difference between tropical
rain forest and temperate forest is that
(a) The tropical rain forests have preponderance
of angiosperms while the temperate one have
preponderance of gymnosperms
(b) The trees of temperate forest are taller than
those of tropical rain forests
(c) Giants of temperate forests are comparatively
mesophytic
(d) Tropical forests are comparatively more
mesogenic
BOTANY
