.png){kind=logo}
Diurnal rhythm of body is maintained by
Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 15 of Quiz-1410 (Que-ID : 2758)
Diurnal rhythm of body is maintained by
- Melatonin
- Isthmus
- PTH
- Norepinephrine
Ans → (a)Melatonin
Explanation → Melatonin is released by pineal gland
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
Q. 2 of Quiz-1410 (Que-ID : 2745)
Secretin cause stimulation of
- Bile juice
- Water
- Gastric secretion
- Pepsinogen
Q. 3 of Quiz-1410 (Que-ID : 2746)
In adults insufficient thyroxine lead to
- Myxoedema
- Goitre
- Tetany
- Cretinism
Q. 4 of Quiz-1410 (Que-ID : 2747)
In the body both blood sodium and potassium is regulated by
- Pheromones
- Aldosterone
- Cortisols
- Androgens
Q. 5 of Quiz-1410 (Que-ID : 2748)
Chemical name of T4 is
- Tetradiodothyronine
- Tridiodothyronine
- Tetraiodothyronine
- Triiodothyronine
Q. 6 of Quiz-1410 (Que-ID : 2749)
Anabolic steroids are ___ versions of testosterone
- Effective
- Synthetic
- Natural
- Ineffective
Q. 7 of Quiz-1410 (Que-ID : 2750)
which of the following acts on bones
- Melatonin
- Triiodothyronine
- GH
- Parathyroid
Q. 8 of Quiz-1410 (Que-ID : 2751)
Glucagon hormone is secreted by
- Thyroid gland
- Pituitary
- Adrenal
- Pancreas
Q. 9 of Quiz-1410 (Que-ID : 2752)
Which of the following is male sex organs
- Insulins
- Aldosterone
- Androgens
- Pheromones
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
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
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
Q. 13 of Quiz-1410 (Que-ID : 2756)
Corpus leuteum secretes
- Progesterone
- Estrogen
- Vasopressin
- Glucagon
Q. 14 of Quiz-1410 (Que-ID : 2757)
In children hypothyroidism lead to
- Goitre
- Acromegaly
- Cretinism
- Myxoedema
Q. 15 of Quiz-1410 (Que-ID : 2758)
Diurnal rhythm of body is maintained by
- Melatonin
- Isthmus
- PTH
- Norepinephrine
Q. 16 of Quiz-1410 (Que-ID : 2759)
Which hormone inhibits release of growth hormone
- Insulin
- Gonadotrophin
- Somatostatin
- Thymosin
Q. 17 of Quiz-1410 (Que-ID : 2760)
Which of the following is essential for thyroid gland
- nacl
- I3
- CaCo2
- H2Co3
Q. 18 of Quiz-1410 (Que-ID : 2761)
Testorone is produced by
- Leydigs cell
- Pituitary gland
- Both a and b
- Non of the above
Q. 19 of Quiz-1410 (Que-ID : 2762)
The phase of menstrual cycle that last for 7-8 days are
- Ovulatory
- Menstruation
- Luteal
- Follicular
Q. 20 of Quiz-1410 (Que-ID : 2763)
Blood pressure is under control of
- Pituitary
- Adrenal
- Thymus
- Thyroid
Q. 22 of Quiz-1410 (Que-ID : 2765)
Largest completely endocrine gland is
- Adrenal
- Thyroid
- Pituitary
- Parathyroid
Q. 23 of Quiz-1410 (Que-ID : 2766)
Implantation of embryo and placentation is under control of
- FSH
- Estrogen
- Progesterone
- Estradiol
Q. 25 of Quiz-1410 (Que-ID : 2768)
Hormones are
- Excretory pdt
- Enzymatory pdt
- Chemical messenger
- Nerve impulse
More MCQs In - Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 4 of Quiz- (Que-ID : 3022)
Typical plant growth shows _________ curve.
- J-shaped
- S-shaped
- I-shaped
- Parabolic
Q. 17 of Quiz- (Que-ID : 3110)
Presence of phosphorus
- brings about healthy root growth
- promotes fruit ripening
- retards protein formation
- none
Q. 6 of Quiz- (Que-ID : 3049)
Which one of the following describes the spikelet of a cereal or grass plant
- inferior ovary
- dehiscent fruit
- pair of glumes
- fused calyx
Q. 21 of Quiz- (Que-ID : 3289)
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Q. 24 of Quiz- (Que-ID : 2967)
Amino acids which are specified by single codons are
- phenylalanine and arginine
- tryptophan and methionine
- valine and proline
- methionine and aroinine
Q. 15 of Quiz- (Que-ID : 3408)
Triticale, first man made cereal crop, has been obtained by crossing wheat with:
- Rye
- Pearl millet
- Sugarcane
- Barley
Q. 8 of Quiz- (Que-ID : 3326)
The common cold is caused by
- Rhino viruses
- Streptococcus pnemoniae
- Salmonella typhimurium
- Plasmodium vivax.
Q. 2 of Quiz- (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 20 of Quiz- (Que-ID : 3513)
Genetic biodiversity in agricultural crops in threatened by
- introduction of high yielding varieties
- intensine use of fertilizers
- extensive intercropping
- intensive use of biopesticides
Q. 24 of Quiz- (Que-ID : 3092)
Fixation of one CO2 molecule through Calvin cycle requires:
- 1 ATP and 2NADPH2
- 2ATP and 2NADPH2
- 3ATP and 2NADPH2
- 2ATP and 1NADPH2
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 1 of Quiz- (Que-ID : 3269)
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Q. 25 of Quiz- (Que-ID : 3268)
Which one of the following groups of animals is bilaterally symmetrical and triploblastic
- Aschelminthes (round worms)
- Ctenophores
- Sponges
- Coelenterates (Cnidarians)
Q. 13 of Quiz- (Que-ID : 3356)
Artificial insemination involves
- super ovulation
- semen collection
- egg collection
- embryo collection
Q. 12 of Quiz- (Que-ID : 2655)
which among the following is measured by spirometer
- Total lung capacity
- FRC
- RV
- TV
Q. 6 of Quiz- (Que-ID : 3199)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 4 of Quiz- (Que-ID : 3372)
Organic farming includes
- use of fertilisers and pesticides of biological origin
- IPM (Integrated Pest Management)
- locally developed pest resistant varieties
- all of these
Q. 6 of Quiz- (Que-ID : 2619)
Which cell is responsible for secretion of HCL and intrinsic factors
- Parietal cell
- Chief cell
- Mucus cell
- Peptic cell
Q. 14 of Quiz- (Que-ID : 3057)
Aleurone layer takes part in
- protection of delicate embryo
- enzyme synthesis
- transfer of food to cotyledons
- transfer of food from cotyledons to embryo tips
Q. 4 of Quiz- (Que-ID : 3397)
Plasmids in bacterial cells are
- extra-chromosomal DNA, which cannot replicate
- extra-chromosomal DNA, which can . self-replicate
- extra DNA associated with the genome
- extra DNA, associated with the genome, but cannot replicate.
Q. 19 of Quiz- (Que-ID : 3487)
Ecological pyramids were first devised by
- Charles Eltom
- R. Hesse
- R.A. Lindemann
- Justus von Liebig
Q. 8 of Quiz- (Que-ID : 3001)
Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences
- II, I, IV, III
- III, II, I, IV
- IV, III, II, I
- I, IV, III, II
Q. 1 of Quiz- (Que-ID : 3169)
Blood corpuscles are formed in the
- Haversian canal
- endosteum
- red bone marrow
- pancreas
Q. 7 of Quiz- (Que-ID : 2750)
which of the following acts on bones
- Melatonin
- Triiodothyronine
- GH
- Parathyroid
Q. 18 of Quiz- (Que-ID : 2987)
Inflammation of glomeruli of kidney is known as
- Uremia
- Renal failure
- Renal calculi
- Glomerulonephritis
Q. 7 of Quiz- (Que-ID : 3000)
In mitosis, nuclear envelope and nucleolus disappear during
- Metaphase
- Interphase
- Prophase
- Telophase
Q. 16 of Quiz- (Que-ID : 3234)
The arrangement of sepals or petals in floral bud is called
- Placentation
- Aestivation
- Bracteate
- Phyllotaxy
Q. 4 of Quiz- (Que-ID : 2972)
Which among is the most toxic
- Ammonia
- Uric acid
- Urea
- None of the above
Q. 24 of Quiz- (Que-ID : 3342)
Which of the following is affected by the infection of Wuchereria bancrofti ?
- Lymphatic vessels
- Respiratory system
- Nervous system
- Blood circulation
Q. 4 of Quiz- (Que-ID : 2822)
Meiosis does not occur in
- asexually reproducing diploid individuals
- sexually reproducing haploid individuals
- sexually reproducing diploid individuals
- all of these.
Q. 22 of Quiz- (Que-ID : 3065)
Most of the energy of the carbohydrates is released by oxidation when
- Pyruvic acid is converted into CO2 and H2O
- Pyruvic acid is converted into acetyl Co-A
- Sugar is converted into pyruvic acid
- Glucose is converted into alcohol and CO2
Q. 6 of Quiz- (Que-ID : 3099)
Manganese toxicity leads to deficiency of
- iron
- calcium
- magnesium
- all of the above
Q. 21 of Quiz- (Que-ID : 2939)
Law of independent assortment can be explained with the help of
- dihybrid
- test cross
- back cross
- monohybrid cross
Q. 1 of Quiz- (Que-ID : 2794)
Which one of the followings is the function of parasympathetic nervous system?
- Stimulates oil and sweat glands in the skin
- Pupil constriction
- Acceleration of heart beat
- Contraction of hair muscles
Q. 10 of Quiz- (Que-ID : 2803)
When a neuron is in resting state i.e. not conducting any impulse, the axonal membrane is
- Comparatively more permeable to K+ ions and nearly impermeable to Na+ ions
- Comparatively more permeable to Na+ ions and nearly impermeable to K+ ions
- Equally permeable to both Na+ and K+ ions
- Impermeable to both Na+ and K+ ions
Q. 21 of Quiz- (Que-ID : 3389)
Which of the following bacteria is present in the rumen of cattle ?
- Azotobacter
- Rhizobium
- Methanobacterium
- Azospirillum
Q. 23 of Quiz- (Que-ID : 2992)
On average how much blood is filtered by kidney per minute
- 500-800ml
- 1100- 1200ml
- 1500-1700ml
- 1600-1800ml
Q. 16 of Quiz- (Que-ID : 2759)
Which hormone inhibits release of growth hormone
- Insulin
- Gonadotrophin
- Somatostatin
- Thymosin
Q. 2 of Quiz- (Que-ID : 2870)
Cu ions released from copper releasing intrauterine devices (IUDs)
- prevent ovulation
- make uterus unsuitable for implantation
- decrease phagocytosis of sperms
- suppress sperm motility
Q. 14 of Quiz- (Que-ID : 2707)
Which joint is present between carpal and metacarpal of thumb
- Saddle joint
- Pivot
- Hinge
- Condyloid
Q. 17 of Quiz- (Que-ID : 2810)
Which layer is in contact with brain tissues?
- Piamater
- Arachnoid
- Duramater
- Piamater and Arachnoid
Q. 15 of Quiz- (Que-ID : 3083)
Which one of the following statement is true for ATP?
- ATP is prosthetic part of an enzyme
- ATP is an enzyme
- ATP is organic ions of enzyme
- ATP is a Co-enzyme
Q. 21 of Quiz- (Que-ID : 3214)
Bark includes all the tissues
- Lying outside the vascular cambium
- Formed by vascular cambium
- Formed by phellogen
- Phellem & phelloderm
Q. 11 of Quiz- (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
General Awareness (GA) MCQs
Miscellaneous MCQs
General Science MCQs
Mathematics MCQs
Pharmacy MCQs
General Intelligence MCQs
English Language MCQs
Pharmacognosy MCQs
Current Affairs MCQs
Pharmacology MCQs
सामान्य हिन्दी MCQs
Books and Authors MCQs
Indian history MCQs
General Science (GS) MCQs
Chemistry MCQs
Biology MCQs
Physics MCQs
Parts of Speech MCQs
One Word Substitutions MCQs
Health Education MCQs
Web Development MCQs
Human Anatomy and Physiology MCQs
Microbiology MCQs
Zoology MCQs
Botany MCQs
Bio Organic Chemistry MCQs
Biochemistry MCQs
Reasoning MCQs
Pharmaceutical Jurisprudence MCQs
General Pharmacology MCQs
Pharmaceutics MCQs
World Geography MCQs
Geography of India MCQs
Pharmaceutical Chemistry (Inorganic) MCQs
Pharmaceutical Organic Chemistry MCQs
Drug Store and Business Management MCQs
Hospital and Clinical Pharmacy MCQs
Indian Art, Culture and Heritage MCQs
World History MCQs
Computer MCQs
Pathophysiology MCQs
Community Health Nursing MCQs