- Resemblance of Monarch butterfly and Queen butterfly is
an example of
(a) camouflage (b) warning colouration
(c) Mullerian mimicry (d) Batesian mimicry.
- Read the following statements and fill up the blanks with
correct option.
(i) Total soil water content in soil is called __.
(ii) Soil water not available to plants is called __.
(iii) Soil water available to plants is called __.
(i) (ii) (iii)
(a) echard holard chresard
(b) chresard echard holard
(c) holard echard chresard
(d) chresard holard echard
- Identify the A, B, C and D in the given table.
Population
interaction
Effect on
species X
Effect on
species Y
Parasitism A –
B ++
Amensalism – C
D ––
A B C D
(a) + Protocooperation 0 Competition
(b) – Commensalism 0 Competition
(c) + Mutualism + Predation
(d) + Mutualism + Predation
- Periodic migration is seen when
(a) birds migrate by using direction
(b) whales migrate in search of food
(c) phytoplanktons rise to water surface
(d) large population of locust migrate in search of
feeding ground.
- Match the following column I (forest type) with column II
(mean annual rainfall) and select the correct option.
Column I Column II
(i) Tropical Deciduous (p) 50-170 cm
Forest
(ii) Coniferous Forest (q) 90-160 cm
(iii) Temperate Broad (r) 200-350 cm
Leaved Forest
(iv) Tropical Rain Forest (s) 100-250 cm
(a) (i)-(q); (ii)-(p); (iii)-(s); (iv)-(r)
(b) (i)-(s); (ii)-(r); (iii)-(p); (iv)-(q)
(c) (i)-(p); (ii)-(q); (iii)-(s); (iv)-(r)
(d) (i)-(q); (ii)-(r); (iii)-(p); (iv)-(s)
- Which among the following represents protocooperation
interaction?
(a) Crocodile bird helping crocodile to get rid of leeches
by entering the crocodile’s mouth.
(b) 7ULFKRGHUPD inhibiting the growth of fungus
$VSHUJLOOXV.
(c) Malarial parasite living in human RBCs.
(d) (QWDPRHED living in contact with host throughout
the life.
- Salt glands are found in
(a) 6DJLWWDULD (b) $WULSOH[
(c) /HPQD (d) $ORH
- Select the correct statement regarding conformers.
(a) They maintain their body temperature.
(b) They consume lesser amount of energy.
(c) They have a wide range of distribution.
(d) They have a fixed osmotic concentration of their body
fluids.
- Identify the correct sequence of ecological hierarchy starting
from lower to higher level.
(a) Population oBiotic community o Biome o
Landscape
(b) Landscape o Ecosystem o Biome o Biosphere
(c) Individual o Population o Landscape oEcosystem
(d) Biological community oEcosystem o Landscape
oBiome
- Identify the correctly matched pair.
(a) Anadromous - Migration of Eel from
migration freshwater to sea for
spawning.
(b) Phenotypic - Adaptation which allow
adaptation organisms to respond quickly
to an unfavourable situation.
(c) Diapause - Desert lizards moving to
burrows in soil to escape
heat.
(d) Cold hardening - Polar bears develops
glycerol to lower freezing
point of body fluids.
- Select the correct features of adaptations for parasitic life.
(i) Presence of adhesive organs
(ii) Well developed reproductive organs
(iii) Presence of complicated digestive system
(iv) Loss of unnecessary organs
(a) (i) and (iii) (b) (i), (ii) and (iv)
(c) (ii), (iii) and (iv) (d) (ii) and (iii)
- Read the given statements and select the correct option.
Statement A : Cattle do not graze on weed, &DORWURSLV.
Statement B : &DORWURSLV have thorns and spines, as
defense against herbivores.
(a) Both statements A and B are correct and B is the
correct explanation of A.
(b) Both statements A and B are correct but B is not the
correct explanation of A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect.
