BIOLOGY [NEET/AIIMS]-Test 02
Q. 1 Which of the following correctly
represents the flow of genetic information
?
a)DNA->RNA->protein
(b)RNA->DNA->protein
(c)RNA->protein->DNA
(d) protein->RNA->DNA.
Q.2 When a tall and red flowered individual
is crossed with a dwarf and white flowered individual, phenotype in the progeny
is dwarf and white.What will be the genotype of tall and red
flowered individual?
(a)TtRr
(b)TTRR
(c)TTRr
(d)TtRR.
Q.3
How many different kinds of gametes
will be produced by a plant having the genotype AABbCC ?
1) Three
2) Four
3) Nine
4) Two
Q.4
Starch and cellulose are the compounds
of many units of
(a)amino acids
(b)Simple sugars
(c) Glycerol
(d)fatty acids
Q.5 An insectivorous plant having glandular
structures on its leaf secreting Slickly fluid is
(a)Sundew plant
(b)aldrovanda
(c)Venus fly trap
(d)All of these
Q.6 In maize, hybrid vigour is
exploited by :
1)bombarding
the protoplast with DNA
2)
crossing of two inbreed parental lines
3)
harvesting seeds from the most productive plants
4)
inducing mutations
Q.7 In maize, hybrid vigour is
exploited by :
1)bombarding
the protoplast with DNA
2)
crossing of two inbreed parental lines
3)
harvesting seeds from the most productive plants
4)
inducing mutations
Q.8 Positive pollution of soil is due to
(a)excessive use of fertilizers
(b)Reduction in soil productivity
(e)Addition of wastes on soil
(d)all of these
Q.9 Which of the following statements
regarding mitochondrial membrane is not correct ?
1)The
outer membrane is permeable to all kinds of molecules
2) The
enzymes of the electron transfer chain are embedded in the outer membrane
3) The
inner membrane is highly convoluted forming a series of infoldings
The outer membrane resembles a sieve
Q.10 Which part of the world has a high
density of organisms
a)deciduous forests
(b) grasslands
(c)Tropical rain forests
(d)savannahs
Q.11 Perisperm is
(a)Peripheral part of endosperm
(b)remnant of endosperm
(c)Disintegrated secondary nucleus
(d)Pcrsistant of nucellus.
Q.12 Amino acid sequence, in protein
synthesis is decided by the sequence of :
1)t-RNA
2)
m-RNA
3) c-DNA
4) r-RNA
Q.13 In a lake,the upper warmer oxygen rich circulating
water layer zone is referred to
(a)limneticzone
(b) epilimnion
(c)profundalzone
(d)hypolimnion
Q.14 Red Data Book deals with
(a)Plants on the verge of
extinction []
(b)endemic plant
(c)plants showing photo periodism
(d)
Plants that are extinct.
Q.15 An organic substance bound to an enzyme
and essential for its acvity is called :
1)Coenzyme
2) holoenzyme
3) apoenzyme
4) isoenzyme
Q.16 Which of the following is not a correct
match?
(a)A flatoxin
- Aspergillus parasiticus
(b)Bengal famine -
Helminthosporium
(c)Redrust of tea -
Melampsora
(d)Tikka diseaseof groundnut -
Cercospora
Q.17 Genes presenton Y-chromosome are called
(a)Polygenic gene
(b)Basic gene
(c)Pleiotropic
gene
(d)Holandric gene
Q.18 Bowman's glands are found in :
1)olfactory
epithelium
2)
external auditory canal
3)
cortical nephrons
only
juxtamedullary nephrons
Q.19 How many cytochromes are
involved in the electron transport chain?
(a) five
(b)two
(c)Six
(d)four
Q. 20 The carnivorous fish,Gambusia,which IS
introduced in the lakes and ponds to control a deadly disease in India,feeds on
the larva of
(a)Dragon fly
(b)Nepenthes
(c)Anopheles []
(d)All of these
Q.21 In gymosperm, the endosperm is a formed by
(a)fusion of two polar nuclei
(b)fertilised
egg.
(c)fusion of one polar nucleus
(d)germination of one mega spore
Q.22 The C4-plants differ from C3-plants
with reference to the
(a)substrate that accepts CO2 in carbon assimilation
(b)type of end product
c)type of pigment involved in
photosynthesis
(d)number of ATP that are consumed in
preparing
sugar.
Q.23
Which one of the following is the
correctly matched pair of an endangered animal and a National Park ?
1) Lion — Corbett National Park
2) Rhinoceros — Kaziranga
National Park []
3) Wild ass — Dudhwa National Park
4) Great Indian bustard — Keoladeo
National Park
Q.24 Krantzanatomy isseenin
(a)Euphorbia
hirta
(b)
Citrus indica
(c)Mangifera indica
(d)Zea mays
Q.25 The plants in desert,in
order to tolerate water stress, have
(a)Stipular spines
(b)no stomata
(c)stems which are converted into leaf
type []
(d)long root system reach the water
level
Q.26 A person showing upredictable
moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering
from 1) 1
1) schizophrenia
2) borderline personality disorder
(BPD)
3) mood disorders
4) addictive disorders
Q.27 During photo synthesis, oxygen in
glucose comes from
(a)oxygen in air
(c)Carbon dioxide
(b)water
(d)both(b)and(c
Q.28 Long filamentous threads protruding at
the end of a young cob of maize are :
1)anthers
2)
styles []
3) ovaries
4)
hairs
Q.29 What type of placentation is
seen in sweet pea
1)Basal
2) Axile
3)
Free central
4) Marginal
Q.30 In maize, hybrid vigour is
exploited by :
1)bombarding
the protoplast with DNA
2)
crossing of two inbreed parental lines
3)
harvesting seeds from the most productive plants
4)
inducing mutations
...........................The End...........................
Thanks sir
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