54999.Flowers and cones are similar because
both assist seed dispersal
both are responsible in attracting insects to pollinate
both are shoy and bright
both are reproductive structures
55001.Though Cycas has an embryo with two cotyledons, it is not grouped under dicotyledonous plants, as:
ovules are naked
possesses compound leaves
has megasporophyll
resembles a palm tree
55002.Pick the pair that is incorrectly matched
Cycas – coralloid roots
Abies – wood tar, wood gas
Pinus – Mycorrhizal roots
Sequoia – Red wood tree
55003.Scientists regarded as Neo Lamarckists are
Correns, Hugo de Vries and Tschermak
August Weismann and T.H Morgan
Hardy Weinberg
Kammerer and Mc Dougall
55005.Germplasm theory against Lamarck’s principle was put forward by
Darwin
Lamarck
Weismann
Hugo de Vries
55007.In gymnosperms, the ovules typically are
bitegmic and anatropous
bitegmic and orthotropous
unitegmic and orthotropous
unitegmic and anatropous
55008.‘Saccus’ term is used for
exine of pollen grains of Pinus
intine of pollen grains of Pinus
Wings of pollen grains of Pinus
Wings of seeds of Pinus
55009.In Lamarck’s view, the key of organic evolution is that each progeny
shows struggle for existence
characters acquired by parental generation are inherited
is similar to its parents
phylogeny is repeated in its ontogeny
55010.Who stated this theory – organ in use will develop and if not used will weaken to turn vestigial
Mendel
De Vries
Darwin
Lamarck
55011.Most likely, people who perform tough manual work can develop
thick epidermis on their palms
thick subcutaneous fat in their palms
greater quantity of melanin all over the body
greater number of sweat pores in their hands
55012.72 generations of Drosophila were kept in darkness by a scientist. Despite that, the first flies possessed eyes that were normal. This disapproves the theory of
Acquired characters
Synthetic theory
Natural selection
use and disuse
55015.Inverted omega shaped organization of the vascular bundles is seen in
cycas root
cycas stem
cycas leaflet
ctclas rachis
55016.This serves as a connecting link between the angiosperms and gymnosperms
Gnetales
Coniferales
Ginkgoales
Cycadales
55017.Acquired characteristics of Lamarck are not inherited and have an evolutionary value. Who gave this statement?
Weismann
Hugo de Vries
TH Morgan
Charles Darwin