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Largest completely endocrine gland is

Biology Zoology Class 11th NEET UG NEET UG Preparation

Q. 22 of Quiz-1410 (Que-ID : 2765)

Largest completely endocrine gland is

  • Adrenal
  • Thyroid
  • Pituitary
  • Parathyroid

Ans → (b)Thyroid

Explanation →

This question is taken from this post → Chemical Coordination and Integration Practice Test | Class 11th Biology NEET MCQs - attemp/practice


More MCQs in - Chemical Coordination and Integration Practice Test | Class 11th Biology NEET MCQs

Q. 1 of Quiz-1410 (Que-ID : 2744)

Which hormones is a stress hormone

  • Norepinephrine
  • Androgen
  • Cortisol
  • FSH

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Q. 2 of Quiz-1410 (Que-ID : 2745)

Secretin cause stimulation of

  • Bile juice
  • Water
  • Gastric secretion
  • Pepsinogen

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Q. 3 of Quiz-1410 (Que-ID : 2746)

In adults insufficient thyroxine lead to

  • Myxoedema
  • Goitre
  • Tetany
  • Cretinism

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Q. 4 of Quiz-1410 (Que-ID : 2747)

In the body both blood sodium and potassium is regulated by

  • Pheromones
  • Aldosterone
  • Cortisols
  • Androgens

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Q. 5 of Quiz-1410 (Que-ID : 2748)

Chemical name of T4 is

  • Tetradiodothyronine
  • Tridiodothyronine
  • Tetraiodothyronine
  • Triiodothyronine

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Q. 6 of Quiz-1410 (Que-ID : 2749)

Anabolic steroids are ___ versions of testosterone

  • Effective
  • Synthetic
  • Natural
  • Ineffective

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Q. 7 of Quiz-1410 (Que-ID : 2750)

which of the following acts on bones

  • Melatonin
  • Triiodothyronine
  • GH
  • Parathyroid

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Q. 8 of Quiz-1410 (Que-ID : 2751)

Glucagon hormone is secreted by

  • Thyroid gland
  • Pituitary
  • Adrenal
  • Pancreas

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Q. 9 of Quiz-1410 (Que-ID : 2752)

Which of the following is male sex organs

  • Insulins
  • Aldosterone
  • Androgens
  • Pheromones

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Q. 10 of Quiz-1410 (Que-ID : 2753)

Choose the incorrect statement

  • Hormones are non-nutrients chemicals
  • Exocrine glands are ductless glands
  • Invertebrates have simple endocrine system
  • All of the above statements are incorrect

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Q. 11 of Quiz-1410 (Que-ID : 2754)

Endemic goitre is a state of

  • Increased thyroid function
  • Normal thyroid function
  • Decreased thyroid function
  • Moderate thyroid function

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Q. 12 of Quiz-1410 (Que-ID : 2755)

PTH is called hypercalcemic hormone because it leads to

  • Absorption of CaCo3 from digested food
  • Reabsorption of water from renal tubules
  • Increasing blood calcium levels
  • Maintain ion balance in blood

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Q. 13 of Quiz-1410 (Que-ID : 2756)

Corpus leuteum secretes

  • Progesterone
  • Estrogen
  • Vasopressin
  • Glucagon

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Q. 14 of Quiz-1410 (Que-ID : 2757)

In children hypothyroidism lead to

  • Goitre
  • Acromegaly
  • Cretinism
  • Myxoedema

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Q. 15 of Quiz-1410 (Que-ID : 2758)

Diurnal rhythm of body is maintained by

  • Melatonin
  • Isthmus
  • PTH
  • Norepinephrine

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Q. 16 of Quiz-1410 (Que-ID : 2759)

Which hormone inhibits release of growth hormone

  • Insulin
  • Gonadotrophin
  • Somatostatin
  • Thymosin

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Q. 17 of Quiz-1410 (Que-ID : 2760)

Which of the following is essential for thyroid gland

  • nacl
  • I3
  • CaCo2
  • H2Co3

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Q. 18 of Quiz-1410 (Que-ID : 2761)

Testorone is produced by

  • Leydigs cell
  • Pituitary gland
  • Both a and b
  • Non of the above

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Q. 19 of Quiz-1410 (Que-ID : 2762)

The phase of menstrual cycle that last for 7-8 days are

  • Ovulatory
  • Menstruation
  • Luteal
  • Follicular

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Q. 20 of Quiz-1410 (Que-ID : 2763)

Blood pressure is under control of

  • Pituitary
  • Adrenal
  • Thymus
  • Thyroid

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Q. 21 of Quiz-1410 (Que-ID : 2764)

Master endocrine gland is

  • Pituitary
  • Parathyroid
  • Thyroid
  • Pineal

Discuss View Answer

Q. 22 of Quiz-1410 (Que-ID : 2765)

Largest completely endocrine gland is

  • Adrenal
  • Thyroid
  • Pituitary
  • Parathyroid

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Q. 23 of Quiz-1410 (Que-ID : 2766)

Implantation of embryo and placentation is under control of

  • FSH
  • Estrogen
  • Progesterone
  • Estradiol

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Q. 24 of Quiz-1410 (Que-ID : 2767)

Insulin is secreted by

  • Acinus
  • A cells
  • P cells
  • Y cells

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Q. 25 of Quiz-1410 (Que-ID : 2768)

Hormones are

  • Excretory pdt
  • Enzymatory pdt
  • Chemical messenger
  • Nerve impulse

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Q. 18 of Quiz- (Que-ID : 2987)

Inflammation of glomeruli of kidney is known as

  • Uremia
  • Renal failure
  • Renal calculi
  • Glomerulonephritis

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Q. 22 of Quiz- (Que-ID : 2740)

Genetic recombination in prokaryotes can occur during

  • Transformation
  • Transduction
  • Conjunction
  • All of the above

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Q. 25 of Quiz- (Que-ID : 3243)

Placentation in tomato and lemon is

  • Parietal
  • Free central
  • Marginal
  • Axile

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Q. 25 of Quiz- (Que-ID : 3193)

Which one of the following contains the largest quantity of extra-cellular material

  • Striated muscle
  • Areolar tissue
  • Stratified epithelium
  • Myelinated nerve fibres

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Q. 7 of Quiz- (Que-ID : 3275)

Which of the following plants is used extensively for the study of photosynthesis?

  • Amaranthus
  • Asparagus
  • Chlorella
  • Sunflower

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Q. 7 of Quiz- (Que-ID : 3250)

Which of the following statement is correct?

  • Platypus lays eggs
  • Camels have biconcave RBCs
  • Whales respire by gills
  • Bats do not fly

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Q. 15 of Quiz- (Que-ID : 3108)

Phytotron is meant for

  • Controlled humidity
  • Induction of mutations
  • Controlled irradiation
  • Growing plants under controlled environment

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Q. 18 of Quiz- (Que-ID : 3211)

Vessels differ from tracheids

  • in being living
  • in being derived from a single cell
  • in that they consist of vertical row of cells with cross walls dissolved
  • in coducting water and minerals

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Q. 13 of Quiz- (Que-ID : 3181)

The characteristic of simple eqithelium is that

  • the cells are loosely placed
  • they are single – layered in thickness
  • cells are tightly packed with no intercelluar spaces
  • cells are generally ciliated

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Q. 4 of Quiz- (Que-ID : 3272)

The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are

  • Pteridophytes
  • Angiosperms
  • Gymnosperms
  • None of these

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Q. 10 of Quiz- (Que-ID : 3178)

The main function of the skin of frog is

  • the exchange of respiratory gases
  • the storage of fat
  • the storage of energy
  • to convert light vitamin D

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Q. 9 of Quiz- (Que-ID : 3227)

Thors and spines are

  • homologous organs
  • analogous organs
  • thron is homologous while spine is analogous
  • spine is homologous while is analogous

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Q. 25 of Quiz- (Que-ID : 3168)

The most common monomer of carbohydrates is

  • Sucrose
  • Fructose
  • Maltose
  • Glucose

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Q. 3 of Quiz- (Que-ID : 3471)

Plant roots soil water is

  • Cellular water
  • Surface water
  • Humidity water
  • Gravitational water

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Q. 21 of Quiz- (Que-ID : 3139)

Root hairs absorb water from soil with the help of

  • Root pressure
  • osmotic pressure
  • Suction pressure
  • Turger pressure

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Q. 7 of Quiz- (Que-ID : 3300)

Which of the following are the two key concepts of Darwinian theory of evolution ?

  • Genetic drift and mutation
  • Adaptive radiation and homology
  • Mutation and natural selection
  • Branching descent and natural selection

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Q. 21 of Quiz- (Que-ID : 3314)

Which is the correct order of increasing geological time scale for a hypothetical vertebrate evolution ?

  • Cenozoic, Mesozoic, Palaeozoic, Proterozoic
  • Cenozoic, Palaeozoic, Mesozoic, Proterozoic
  • Proterozoic, Cenozoic, Palaezoic, Mesozoic
  • Proterozoic, Palaeozoic, Mesozoic, Cenozoic

Discuss View Answer

Q. 16 of Quiz- (Que-ID : 2784)

Two taxonomic species are distinguished by

  • Their failure to interbreed
  • Their ability to exchange gene freely
  • Their similarity in morphological characters
  • Discontinuity in a set of correlated characters

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Q. 23 of Quiz- (Que-ID : 3491)

Biosphere means

  • Atmosphere
  • Lithosphere and ionosphered
  • Atmosphere, lithosphere and hydrosphere
  • Hydrosphere lithosphere and ionsophere

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Q. 5 of Quiz- (Que-ID : 2798)

The generation of excitation-contraction coupling involves all the following events except

  • Generation of end-plate potential
  • Release of calcium from troponin
  • Formation of cross-linkages between actin and myosin
  • Hydrolysis of ATP to ADP

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Q. 3 of Quiz- (Que-ID : 2746)

In adults insufficient thyroxine lead to

  • Myxoedema
  • Goitre
  • Tetany
  • Cretinism

Discuss View Answer

Q. 2 of Quiz- (Que-ID : 2820)

Which of the following options shows bisexual animals only?

  • Amoeba, sponge, leech
  • Sponge, cockroach, Amoeba
  • Earthworm, sponge, leech
  • Tapeworm, earthworm, honeybee

Discuss View Answer

Q. 21 of Quiz- (Que-ID : 3239)

The aleurone layer in maize grain is especially rich in

  • auxins
  • proteins
  • starch
  • lipids

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Q. 12 of Quiz- (Que-ID : 2705)

Which of these contain ATP and ATPase binding site

  • Actin
  • Myosin
  • Both a and b
  • None of the above

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Q. 21 of Quiz- (Que-ID : 3289)

In chlorophyta the mode of sexual reproduction is

  • Isogamy
  • Anisogamy
  • Oogamy
  • Isogamy, Anisogamy and oogamy

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Q. 9 of Quiz- (Que-ID : 3352)

The breeding carried out between animals of different breeds is called

  • out-crossing
  • cross-breeding
  • inbreeding
  • both (a) and (b)

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Q. 12 of Quiz- (Que-ID : 3055)

The final electron acceptor in electron transport chain is

  • Cytochrome C
  • FADH
  • NADH
  • oxygen

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Q. 17 of Quiz- (Que-ID : 3435)

Natural genetic engineer is :

  • Bacillus subtilis
  • Pseudomonas sp
  • Escherichia coli
  • Agrobacterium tumefaciens

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Q. 10 of Quiz- (Que-ID : 2653)

What is the inspiratory reserve volume

  • 2500-3000 ml
  • 500 ml
  • 1000-1100 ml
  • None of the above

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Q. 5 of Quiz- (Que-ID : 3523)

Environment (Protection) Act came into force in?

  • 1986
  • 1989
  • 1992
  • 1993

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Q. 25 of Quiz- (Que-ID : 3093)

Which one of the following statements about cytochrome P-450 is wrong?

  • It is a colored cell
  • It is an enzyme involved in oxidation reaction
  • It has an important role in metabolism
  • It contains iron

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Q. 17 of Quiz- (Que-ID : 3185)

Frogs are beneficial to us because

  • they protect crops
  • they links food web
  • they are food to man.
  • all of these

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Q. 4 of Quiz- (Que-ID : 3272)

The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are

  • Pteridophytes
  • Angiosperms
  • Gymnosperms
  • None of these

Discuss View Answer

Q. 14 of Quiz- (Que-ID : 2832)

Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

  • nodes are shorter than intemodes
  • nodes have meristematic cells
  • nodes are located near the soil
  • nodes have non-photosynthetic cells.

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Q. 13 of Quiz- (Que-ID : 3106)

Which of the following is not a macronutrient

  • iron
  • calcium
  • manganese
  • phosphorus

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Q. 14 of Quiz- (Que-ID : 3082)

Who enunciated the law of limiting factor for photosynthesis?

  • Robert Emerson
  • Ruben
  • Blackman
  • Calvin

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Q. 5 of Quiz- (Que-ID : 2973)

Which requires min water for removal from body

  • Ammonia
  • Urea
  • Uric acid
  • None of the above

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Q. 9 of Quiz- (Que-ID : 2927)

Number of autosomes present in liver cells of a human female is

  • 22 autosomes
  • 22 pairs
  • 23 autosomes
  • 23 pairs

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Q. 21 of Quiz- (Que-ID : 2714)

how may phalanges are present

  • 14
  • 13
  • 10
  • 6

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Q. 25 of Quiz- (Que-ID : 3293)

Yeast is different from penicillium and Rhizopus in being

  • Acellular
  • Unicellular
  • Having unseptate hyphae
  • multicellular

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Q. 18 of Quiz- (Que-ID : 3436)

Bt toxin is :

  • intracellular lipid
  • Intracellular crystalline protein
  • Extracellular crystalline protein
  • Lipid

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Q. 14 of Quiz- (Que-ID : 2707)

Which joint is present between carpal and metacarpal of thumb

  • Saddle joint
  • Pivot
  • Hinge
  • Condyloid

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Q. 9 of Quiz- (Que-ID : 3277)

Isogamous condition with non-flagellated gametes is found in

  • Chlamydomonas
  • Spirogyra
  • Volvox
  • Fucus

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Q. 11 of Quiz- (Que-ID : 3354)

Hisardale is a new breed of sheep developed in Punjab by crossing

  • Merino ram and Bikaneri ewe
  • Assel ram and White leghorn ewe
  • Rhode Island ram and White leghorn ewe
  • Cochin ram and Ghagus ewe

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Q. 15 of Quiz- (Que-ID : 2658)

What is the partial pressure of O2 in atmosphere

  • 156
  • 159
  • 94
  • 40

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Q. 21 of Quiz- (Que-ID : 3489)

In the phosphorus cycle, weathring makes phosophate available first to

  • Producers
  • Decomposers
  • Consumers
  • None of these

Discuss View Answer