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14651.

Question : Mucilage propulsion occurs in

Answer»

DINOFLAGELLATES
Diatoms
Euglenoids
SLIME moulds

Answer :B
14652.

Question : Muchof the energy released during oxidation of pyruvate in TCA cycle is initially stoted in the form of …………

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REDUCED COENZYMES
oxidised coenzymes
ATP molecules
none of the above

Answer :A
14653.

Question : Much of the global photosynthesis is carried out by

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Algae
Bryophytes
PTERIDOPHYTES
ANGIOSPERMS

ANSWER :A
14654.

Question : MSH regulates pigmentation of skin.

Answer»


ANSWER :TRUE
14655.

Question : MSH stands for……………………………………..

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MELANOCYTE STIMULATING hormone
Malic stimulating hormone
Myosin stimulating hormone
Metabolic stimulating hormone

Answer :A
14656.

Question : MSH is secreted by

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anterior lobe of PITUITARY
MIDDLE lbe of pituitary
posterior lobe of pituitary
endostyle.

Solution :Middle lobe of pituitary secretes MSH (MELANOCYTE stimulating hormone) that CONTROLS the systhesis of melanin granules in the CHROMATOPHORES.
14657.

Question : Mr. Akshay notices that his shoe size has progressively increased. He also observes that shape of his face has gradually changing withprotruding lower jaw. What can be the cause for all changes. Name the disorder.

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SOLUTION :INCREASED secretion of growth HORMONE Acromegaly
14658.

Question : Movements of body parts and location in organisms are induced/autonomic.

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SOLUTION :AUTONOMIC
14659.

Question : Movement of water through the cell wall without crossing any membrane is

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Apoplstic
Symplastic
Tonoplastic
Cytoplastic

Answer :A
14660.

Question : Movement of water through the plasma membrane by diffusion is called

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PLASMOLYSIS
Exosmosis
Endosmosis
OSMOSIS

ANSWER :D
14661.

Question : Movement of solvent molecule from a region of its higher concentration to a region of its lower concentration through a semi- permeable membrane is refferred to as

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simple diffusion
facilitated diffusion
osmosis
active transport.

Solution :When the two SOLUTIONS having different osmotic concentrations are separated by meansof a semipermeable MEMBRANE the MOLECULES of SOLVENT or water move from theregion of their higher diffusion pressure (or free energy) to the region of their lower diffusion pressure (or free energy). This movement of water or solvent is CALLED osmosis.
14662.

Question : Movement of water out of the cell.

Answer»

SOLUTION :EXOSMOSIS.
14663.

Question : Movement of the molecules of solids, gases or liquids from the region of their higher concentration to the region of their lower concentration is known as

Answer»

diffusion
osmosis
imbibition
active transport.

Solution :Diffusion is the movement of the PARTICLES of different SUBSTANCES from the region of their higher concentration FREE ENERGY or diffusion pressure to the region of their LOWER concentration, free energy or diffusion pressure.
14664.

Question : Movement of molecules through asemipermeable membrane is known as

Answer»

SOLUTION :OSMOSIS.
14665.

Question : Movement of molecules across the cell membrane without the requirement of energy is called

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ACTIVE TRANSPORT
PASSIVE transport
Osmosis
Plasmolysis

ANSWER :B
14666.

Question : Movement of ions or molecules in a direction opposite to that of prevailing electro-chemical gradient is known as

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ACTIVE TRANSPORT
Pinocytosis
Brownian MOVEMENT
Diffusion

Answer :A::C
14667.

Question : Movement of individual molecules of substance from a region of their higher concentration to a region of their lower concentrations is called

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Osmosis
Turgur PRESSURE
Diffusion
Osmotic potential

Answer :A
14668.

Question : The movement of H_(2)O through cell wall is celled

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apoplast
symplast
tonoplast
none of these

14669.

Question : Mouth is formed as a secondaryopening of alimentary canal in

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PROTOSTOMES
SCHIZOCOELOMATES
CNIDARIANS
entercoelomates

ANSWER :D
14670.

Question : Mouth parts of mosquitoes are adapted for :

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Chewing
Sucking
Sponging
Biting

Answer :B
14671.

Question : Mouth parts of housefly are

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PIERCING and SUCKING TYPE.
Biting and sucking type.
SPONGING and sucking type.
Biting and CHEWING type.

Solution :Sponging and sucking type.
14672.

Question : Mouth parts of cockroach are

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biting and CHEWING TYPE 
lapping type 
PIERCING and SUCKING type 
sponging and sucking 

Answer :A
14673.

Question : Mouth parts of cockroach are ……….type

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SOLUTION :CHEWING
14674.

Question : Mountain sickness at high altitude is due to

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EXCESS `CO_(2)` in blood
Decreased `CO_(2)` in air
Decreased partial pressure of oxygen
Decreased EFFICIENCY of haemoglobin

Solution :Decreased partial pressure of oxygen
14675.

Question : Moulting in arthropods facilitates

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PROTECTION
REPRODUCTION
GROWTH
communication

ANSWER :C
14676.

Question : Mottle leaf disease is a ……………….deficiency disease.

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GIBBERELLINS
CYTOKININ
Auxiun
ETHYLENE

ANSWER :C
14677.

Question :Mottle leaf in citrus plants is due to the deficiency of

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boron
zinc
magnesium
molybdenum

Answer :B
14678.

Question : Motile sperm cells swim through an external film of water to reach female gametes in all of the following groups except for :

Answer»

Pteridophyta
SPERMATOPHYTA
Lycopodiophyta
BRYOPHYTA

SOLUTION :Spermatophyta
14679.

Question : Motile sperms (or motile sperm cells) are absent

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Rhizopus
Funaria
Fern
Cycas

ANSWER :A
14680.

Question : State whether the following statements are true or false.Motile reproductive bodies are completely absent inRhodophyta. A. True B. False

Answer»


ANSWER :1
14681.

Question : Mother of all connective tissues

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Mesenchyme TISSUE 
Mucus connective tissue 
Areolar connective tissue 
FLUID connective tissue 

ANSWER :A
14682.

Question : Most widely accepted model for plasma membrane is

Answer»

Sandwitch model
FLUID mosaic model
UNIT membrane model
Trilamellar model

ANSWER :B
14683.

Question : Most unique mammalin feature is

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homeothermy
BONY SKELETON
5 - chambered heart
MAMMARY glands

ANSWER :D
14684.

Question : Most sponges exhibit

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BILATERAL SYMMETRY
RADIAL symmetry
asymmetry
spherical symmetry

ANSWER :C
14685.

Question : Most popular sources of stem cells from their bank .

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AMNIOTIC cell BANK
cord blood bank
plancenta blood bank
amniotic FLUID cell bank.

Answer :A::B::C::D
14686.

Question : Most of the oxidative enzymes of the cell and of the Krebscycle are concentrated within :

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GRANA of CHLOROPLASTS
CRISTAE of MITOCHONDRIA
microsomes
ergastoplasm

SOLUTION :cristae of mitochondria
14687.

Question : Most of the pteridophytes are

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Monosporous
Polysporous
Homosporous
HETEROSPOROUS

ANSWER :C
14688.

Question : Most of the neurons in the brain are in ___stage.

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`G_(1)`
`S`
`G_(2)`
`G_(0)`

SOLUTION :`G_(0)`
14689.

Question : Most of the metabolism of a plant is carried out by

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PARENCHYMA
Collenchyma
Sclerenchyma
Epidermis

Answer :A
14690.

Question :Most of the marine prawns caught along the Indian coast belongs to the family...............

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SOLUTION :Penaeidae
14691.

Question : Most of the fats absorbed in small intestine enter

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LACTEAL
Venul
Microvilli
Arteriole

Solution :SEE ANSWER for Q.131
Most of the fats absorption in small INTESTINE ENTER lacteal.
14692.

Question : Most of the chloroplastshave one or more storage bodies called ……….in algae.

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gluconoids
COLLOIDS
PYRENOIDS
phycocolloids

Answer :C
14693.

Question : Most of the cell-organelles are derived from which structure of cell

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NUCLEUS
ENDOPLASMIC RETICULUM
Mitochondria
Chloroplast

ANSWER :B
14694.

Question : Most of our cells are surrounded by:

Answer»

BLOOD
INTERSTITIAL FLUID
PURE water
air

SOLUTION :interstitial fluid
14695.

Question : Most of oxygen is transported by "_____________".

Answer»


ANSWER :OXYHAEMOGLOBIN
14696.

Question : Most of the algae are

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AQUATIC
terrestrial
saprophytic
parasitic

Solution :Most of the ALGAE are aquatic in NATURE
14697.

Question : Most of the adult stem cells are ______ are can act as repair system of the body.

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TOTIPOTENT
MULTIPOTENT
Oligopotent
Pluvipotent

14698.

Question : Most of animals at present obtain their free energy from

Answer»

reduction of organic molecules
OXIDATION of organic molecules
light through PHOTOSYNTHEIS
electricity and coal

Answer :B
14699.

Question : Most neurons of our body are

Answer»

unipolar
bipolar
psedounipolar
MULTIPOLAR 

ANSWER :D
14700.

Question : Most membrane functions are carried out by :

Answer»

PROTEINS
PHOSPHOLIPIDS
NUCLEIC acids
hormones

SOLUTION :proteins