Which kind of therapy was given in 1990 to a four
year old girl with adenosine deaminase (ADA)
deficiency ?
(1) Immunotherapy (2) Radiation therapy
(3) Gene therapy (4) Chemotherapy

How many hot spots of biodiversity in the
world have been identified till date by
Norman Myers ?
(1) 34
(2) 43
(3) 17
(4) 25

The primary producers of the deep-sea
hydrothermal vent ecosystem are :
(1) Blue-green algae
(2) Coral reefs
(3) Green algae
(4) Chemosynthetic bacteria

Which of the following is correct for
r-selected species ?
(1) Small number of progeny with small size
(2) Small number of progeny with large size
(3) Large number of progeny with small size
(4) Large number of progeny with large size

If '+' sign is assigned to beneficial
interaction '-' sign to detrimental and '0'
sign to neutral interaction,
then the population interaction represented
by '+' '-' refers to :
(1) Commensalism
(2) Parasitism
(3) Mutualism
(4) Amensalism

Which of the following is correctly matched ?
(1) Parthenium hysterophorus - Threat to biodiversity
(2) Stratification - Population
(3) Aerenchyma - Opuntia
(4) Age pyramid - Biome

Red list contains data or information on :
(1) threatened species
(2) marine vertebrates only
(3) all economically important plants
(4) plants whose products are in international trade

Which one of the following is wrong for fungi ?
(1) They are heterotrophic
(2) They are both unicellular and multicellular
(3) They are eukaryotic
(4) All fungi possess a purely cellulosic cell wall

Methanogens belong to :
(1) Dinoflagellates
(2) Slime moulds
(3) Eubacteria
(4) Archaebacteria

Select the wrong statement :
(1) Diatoms are chief producers in the oceans
(2) Diatoms are microscopic and float passively
in water
(3) The walls of diatoms are easily destructible
(4) 'Diatomaceous earth' is formed by the cell walls
of diatoms.

The lable of a herbarium shet does not carry
information on :
(1) Local names
(2) height of the plant
(3) date of collection
(4) name of collector

Conifers are adapated to tolerate extreme
environmental conditions because of :
(1) thick cuticle
(2) presence of vessels
(3) broad hardy leaves
(4) superficial stomata

Which one of the following statements
is wrong ?
(1) Agar-agar is obtained from Gelidium and
Gracilaria
(2) Laminaria and Sargassum are used as food
(3) Algae increase the level of dissolved oxygen in
the immediate environment
(4) Algin is obtained from red algae, and
carrageenan from brown algae.

The term 'polyadelphous' is related to :-
(1) Corolla
(2) Calyx
(3) Gynoecium
(4) Androecium

How many plants among Indigofera, Sesbania,
Salvia, Allium, Aloe, mustard, groundnut, radish,
gram and turnip have stamens with different
lengths in their flowers ?
(1) Five
(2) Six
(3) Three
(4) Four