The experimental proof for semiconservative
replication of DNA was first shown in a [new]
(1) Fungus
(2) Bacterium
(3) Plant
(4) Virus

Which of the following pairs in wrongly matched ?
(1) Starch synthesis in pea : Multiple alleles
(2) ABO blood grouping : Co-dominance
(3) XO type sex determination : Grasshopper
(4) T.H. Morgan : Linkage

What type of ecological pyramid would obtained
with the following data ?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g
(1) Inverted pyramid of biomass
(2) Pyramid of energy
(3) Upright pyramid of numbers
(4) Upright pyramid of biomass

World Ozone Day is celebrated on
(1) ``5^{th}`` June
(2) ``21^{st}`` April
(3) ``16^{th}`` September
(4) ``22^{nd} April``

Which of the following flowers only once in its
life-time ?
(1) Bamboo species
(2) Jackfruit
(3) Mango
(4) Papaya

Column-I	Column-II
(a) Herbarium	i. It is a place having a collection of preserved plants and animals.
(b) Key	ii. A list that enumerates methodically all the species found in an area with brief description aiding identification.
(c) Museum	iii.Is a place where dried and pressed plant specimens mounted on sheets are kept.
(d) Catalogue	iv. A booklet containing a list of characters and their alternates which are helpful in identification of varioustaxa.

a b c d
(1) i iv iii ii
(2) iii ii i iv
(3) ii iv iii i
(4) iii iv i ii

World Ozone Day is celebrated on
(1) ``5^{th}`` June
(2) ``21^{st}`` April
(3) ``16^{th}`` September
(4) ``22^{nd} April``

The experimental proof for semiconservative
replication of DNA was first shown in a [new]
(1) Fungus
(2) Bacterium
(3) Plant
(4) Virus

Select the correct match :
(1) Alec Jeffreys - Streptococcus
pneumoniae
(2) Alfred Hershey and - TMV
Martha Chase
(3) Matthew Meselson - Pisum sativum
and F. Stahl
(4) Francois Jacob and - Lac operon
Jacques Monod

The stage during which separation of the paired
homologous chromosomes begins is
(1) Pachytene
(2) Diplotene
(3) Diakinesis
(4) Zygotene