Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1601.

Question : The endangered largest living lemur Idri idri is found in

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MADAGASCAR
MAURITIUS
SRI LANKA
India

Answer :A
1602.

Question : The endarch condition is the characteristic feature of

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ROOT
STEM
LEAVES
FLOWER

SOLUTION :stem
1603.

Question : The endocrine gland nearest to the heart is

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THYROID
testis
pancreas
thymus

ANSWER :D
1604.

Question : The endangered largest largest living lemur Idri idri is found in

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MADAGASCAR
mauritius
SRI LANKA
INDIA

ANSWER :A
1605.

Question : The end product of photosynthesis in green algae, like Chlamydomonas and Spirgyra include

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STARCH grains
starch and OIL droplets
PROTEINS
starch and proteins 

ANSWER :D
1606.

Question : The end of a chromosome is called_______

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SOLUTION :TELOMERE
1607.

Question : The end bulb of Krause and Ruffini's end of organ sense changes in

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TEMPERATURE
humidity
airborne CHEMICALS
DISSOLVE chemicals

Answer :A
1608.

Question : Theembryosacina typicaldicotat thetimeoffertilizationis ________.

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SOLUTION :FEMALE GAMETOPHYTE
1609.

Question : The elements of the second period of the periodic table are given below : Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) Metallicand (ii) Non-metallic element . OR (a) Define a balanced chemical equation be balanced ? (b) Write the balanced chemical equation for the following reaction : (i) Phosphorus burns in presence of chlorine to form phosphorus penta chloride. (iii) Burning of natural gas. (iii) The process of respiration . (c) Name the natural source of each of the following acid

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Solution :(a) It is because nuclear charge increases due to increase in ATOMIC number , therefore, FORCE of attraction between nucleus and valence electrons increases, Hence atomic radii decrease from Li to F.
(b) (i) Most metallic element is .Li. as it can lose electrons easily due to largeratomic size.
(ii) Most non- metallic element is .F. because it can gain electrons easily due to smallest atomic size
or
(a) Balanced chemical equation has an equal number of atoms of DIFFERENT elements in the reactants and products. ACCORDING to law of conservation of mass , MATTER can
1610.

Question : Increased blood glucose level is called _____________

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Glycosuria
HYPERGLYCEMIA
Polyphagia
b

SOLUTION :Hyperglycemia
1611.

Question : The effectof root pressure in transportof water is moreeffective .

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during day.
during both day and night
duringnight
none of the above

SOLUTION :During day transpiration PULL is responsible but during night due to CLOSURE of stomata transpiration does nottake place hence root pressure playsmain roleupward MOVEMENTOF water.
1612.

Question : The effect of pollution is first and most marked on

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natural FLORA of a place
natural BALANCE of our environment
natural geochemical cycles
all the above THREE

ANSWER :A
1613.

Question : The ecological niche is an area occupied by a

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SPECIES
POPULATION
community
related species

ANSWER :A
1614.

Question : The Earth summit held in Rio de Janiero (1992) stressed the need for

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control of air POLLUTION
controlling global warming
conservation of biodiversity
PROTECTING the Antarctica REGION

Answer :C
1615.

Question : The earth radiates heat back to space in the fotm of

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SHORTWAVE radiation
long WAVE radiation
ozone
`CO_(2)`

ANSWER :B
1616.

Question : The Earth is the largest ecosystem.

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Solution :(i) ECOSYSTEM is an INTERACTION between the biotic and abiotic factors in the definite geographic area.
(ii) On the Earth, there are different geographic locations like oceans, mountains, deserts, grasslands, polar region, etc.
(iii) All areas are the separate and individual ECOSYSTEMS.
(iv) Since the Earth is made of all such ecosystem, it is a huge or the largest ecosystem.
1617.

Question : The earlobe variants found in human population are (i) free. (ii) curved(iii) round. (iv) attached.

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(i) and (ii)
(III) and (iv)
(ii) and (iv)
(i) and (iv)

Solution :This is the correct ANSWER.
1618.

Question : The earliest animal to have been domesticated by man most likely the

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HORSE
pig
dog
cow

Answer :C
1619.

Question : The doctor prescribed an injection for an allergy patient. Choose the component present in its.

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Insulin
Oxytocin
Cortisol
Adrenaline

Answer :C
1620.

Question : The DNA is the genetic material was proved conclusively be

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J.D.Watson
Hershey and Chase
Alfred Griffith
Boveri and Sutton

Answer :B
1621.

Question : The DNA in the cytoplasm is the information source for making proteins.

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SOLUTION :FALSE - DNA in the NUCLEUS is the INFORMATION source for making proteins.
1622.

Question : The DNA in the cell nucleus is the information source for making ………………….

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ANSWER :PROTEINS
1623.

Question : The distance need to be neither too hot not too cold is called. . . . .. . ..

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ANSWER :C
1624.

Question : Disease resistant variety of cauliflower.

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HIMGIRI
PUSA SHUBHRA
Pusa Komal
IR-8

SOLUTION :Pusa Shubhra
1625.

Question : The Dinosaurs having feathers, belong to class ……………………………..

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ANSWER :REPTILIA
1626.

Question : The digestive enzymes of cellular compounds are confined to,

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lysosomes
ribosomes
peroxisomes
polysomes

Answer :A
1627.

Question : The diastolic pressure in a healthy person is

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60 MM
80 mm
100 mm
120 mm 

ANSWER :D
1628.

Question : The diagram shows the organisms in a habitat Which of the following indicates the correct feeding relationships of these organisms shown by four students?

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SOLUTION :
1629.

Question : The diagram shows female reproductive system. Name the parts labelled A to D. (a) In which part do the sperms enter ? (b) Which part releases the egg ? (c) In which part does fertilisation take place ? (d) In which part does the foetus develop ?

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SOLUTION :N//A
1630.

Question : The desired minimum total coliform count level in the river Ganga are ...

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SOLUTION : 500 MPN/100 ML
1631.

Question : The denitrification means

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reduction of `NO_(2)` to ammonia by bacteria in the soil
conversion of ammonia to AMINO acids
conversion of ammonia and NITRATES to gaseous NITROGEN
oxidation of ammonia to NITRATE

ANSWER :C
1632.

Question : The dendrites of a typical vertebrate motor neuron, compared to the neuron's axon, are generally

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longer
larger in diameter
more myelinated
more branched

Answer :D
1633.

Question : The dehiscence of moss capsule takes place by rupture of the following

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peristome
annulus
calyptra
operculum 

ANSWER :B
1634.

Question : The degenerated wing of a Kiwi is an acquired character. Why is it an acquired character?

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Solution :Kiwi do not have the need to fly that is why they do not have wings. The characters DEVELOPED by the animals during their life in response to environmental CHANGES. The vestigial wings are so small (INVISIBLE) under the bristly, hair like two branched FEATHERS. So the degeberated wing of a kiwi is an acquired CHARACTER.
1635.

Question : The degenerated and non - functional organs found in an organism are called. . . . . . . . .

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ANSWER :VESTIGIAL ORGAN
1636.

Question : The decompsosers in an ecosystem

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convert INORGANIC material to simpler forms
convert ORGANIC material to inorganic forms
convert inorganic materals into organic compounds
do not BREAKDOWN organic compounds

Solution :The decomposers in an ecosystem convert organic material to inorganic forms, that go into the soil and are once again USED up by the plants. Decomposers feed on dead remains and waste products or organisms.
PRODUCERS convert inorganic materials into compounds like sugar and starch using sunlight in presence of chlorophyll.
1637.

Question : The decibel system measures

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wavelength of sound WAVES
wavelength of LIGHT waves
amplitude of sound waves
amplitude of light waves

Answer :C
1638.

Question : The decomposers in an ecosystem

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convert INORGANIC MATERIAL to simpler FORM
convert ORGANIC material to simpler forms
convert inorganic materials into organic compounds
do not breakdown organic compounds.

Solution :Decomposers decompose dead BODIES (organic material) to simpler forms.
1639.

Question : The cyanobacteria are also referred to as

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proists
golden algae
Slime moulds
blue-green algae

Answer :D
1640.

Question : The crossing of a homozygous tall plant with a dwarf would yield F_2 plants in the ratio of

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TWO tall and two DWARF
one homozygous tall, one homozygous dwarf and two HETEROZYGOUS tall
all homozygous dwarf
all homozygous tall

Answer :B
1641.

Question : The cross used to ascertain whether the plant is homozygous or heterozygous is

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LINKAGE CROSS
RECIPROCAL cross
back cross
monohybrid cross

Answer :C
1642.

Question : The covering of lungs is called

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pericardium
pleural MEMBRANE
perichondrium
peritoneum 

ANSWER :B
1643.

Question : The correct sequence of reproductive stages seen in flowering plants is

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GAMETES, embryo, ZYGOTE, SEEDLING
seedling, embryo, zygote, gametes
zygote, gametes, embryo, seedling
gametes, zygote, embryo, seedling

SOLUTION :During fertilisation gametes FUSE to form zygote which later forms embryo which develops into seedling .
1644.

Question : The correct sequence of organs in the male reproductive system for transport of sperms is

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TESTIS `to` VAS deferens `to` ureter
testis `to` urethra `to` ureter
testis `to` ureter `to` urethra
testis `to`vas deferens `to` urethra

Solution :Sperms are FORMED in testis from where they enter the vas deferens and finally travel to urethera which is a COMMON passage for urine and semen (sperms).
1645.

Question : The corona radiata is formed of ...........

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VITELLINE membrane
Oxytocin
Zygote
FOLLICLE

SOLUTION :Follicle
1646.

Question : The cornea and lens of the mammalian eye are

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richly supplied by blood VESSELS
transparent and they diverge the light RAYS to FORM an IMAGE on retina
transparent and they CONTRIBUTE in the formation of image on retina
richly supplied by nerves

Answer :C
1647.

Question : The coralloid roots in Cycas are

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aerial
apogeotrophic
phototrophic
positively GEOTROPIC 

ANSWER :B
1648.

Question : The coprophilic fungi inhabit

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DEAD wood
food articles
decaying leaves
dung SUBSTRATUM 

ANSWER :D
1649.

Question : The conversion of protein waste, the ammonia into urea occurs mainly in

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kidney
lungs
liver
intestine

Answer :D
1650.

Question : The constriction of chromosome at any point is called………………….

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SOLUTION :NUCLEAR ZONE