Biology Times (^19)
March
- In Mangifera indica L., Generic epithet is
(a) Indica (b) Mangifera
(c) Linnaeus (d) None of these - The material designated by the original author as
the nomenclature type is a
(a) holotype (b) isotype
(c) syntype (d) paratype - Which of the following groups of algae produces
alginic acid?
(a) Phaeophyceae & Rhodophyceae
(b) Cyanophyceae & Rhodophyceae
(c) Chlorophyceae & Rhodophyceae
(d) Phaeophyceae only - Who among the following not followed the
phylogenetic system of classification?
(a) Hutchinson (b) Takhtajan
(c) Cronquist (d) Carl Linnaeus - Which one of the following pair is wrongly
matched?
(a) Anemophily-Pollination through animals
(b) Hydrophily- Pollination through water
(c) Ornithophily-Pollination through bird
(d) Enamophily- Pollination through insect - Plant having column of vascular tissues bearing
fruits and having a tap root system is
(a) Dicot (b) Monocot
(c) Gymnosperm (d) Succulent - When a large number of sessile flowers grow
from a suppressed rachis giving rise to a globose
structure, the inflorescence is called
(a) Capitulum (b) Umbel
(c) Catkin (d) turmeric
8. Vivpary is characteristic of
(a) Xerophytes (b) Mesophytes
(c) Hygrophytes (d) Halophytes
9. Assertion- In turnip and beet, the root is known
as napiform
Reason- The root is broad at the base tapering
smoothly from the base to tip.
(a) Both Assertion and Reason are true and
Reason is correct explanation of Assertion.
(b) Both Assertion and Reason are true and but
Reason is not correct explanation of Assertion.
(c) Assertion is true but Reason is false.
(d) Both Assertion and Reason are false.
10. Lignified cells which are narrow and pointed at
both the ends are called
(a) Collenchyma (b) Parenchyma
(c) Stone cells (d) Sclerenchyma fibers
11. Endodermis is the innermost layer of
(a) Xylem (b) Phloem
(c) Cortex (d) Cambium
12. Select the false statement regarding the structure
of a typical bacterial cell.
(a) Ribosomes in these cells are 70s in nature
(b) Cells possess well developed membrane
bound cell organelles
(c) Cells are surrounded by peptidoglycan cell
wall and mucilaginous sheath
(d) Cells possess naked circular DNA which is
folded to form nucleoid
13. Match the following
Column I Column II