Category: NEET Biology Objective Questions

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Endoplasmic Reticulum and Golgi Body Multiple Choice Questions

MCQs on Endoplasmic Reticulum and Golgi Body :

1. This is the site where detoxification of xenobiotic compounds occurs
(a) Rough endoplasmic reticulum
(b) Ribosomes
(c) Cytosol
(d) Smooth endoplasmic reticulum

Answer

Answer: (d)

2. This is the function of Glycosylation
(a) helps in cell-cell adhesion
(b) confer stability in proteins
(c) helps in proper folding of protein
(d) synthesis of membrane lipid

Answer

Answer: (d)

3. This is a correctly matched pair
(a) Lysosomes – involved in synthesizing amino acids
(b) Microsomes – take part in photosynthesis
(c) Centrosomes – Provides enzymes essential for digestion
(d) Endoplasmic reticulum – has a role in the formation of a new nuclear membrane while cell divides

Answer

Answer: (d)

4. The endoplasmic reticulum in rapidly dividing cells is
(a) absent
(b) not functional
(c) poorly developed
(d) highly developed

Answer

Answer: (c)

5. The ER and bodies linked with it during ultracentrifugation are separated as a fraction known as
(a) Episome
(b) Polysome
(c) Microsome
(d) Quantasome

Answer

Answer: (c)

6. Sarcoplasmic reticulum is associated with
(a) Hormone synthesis
(b) Protein synthesis
(c) Release of calcium ions from muscle contractions
(d) None of the above

Answer

Answer: (c)

7. This is related to glycosylation of protein
(a) Lysosome
(b) Peroxisome
(c) Mitochondria
(d) ER

Answer

Answer: (d)

8. The transfer vesicle from RER fuse with which region of golgi complex
(a) Protein arms
(b) Medial
(c) Cis
(d) Trans

Answer

Answer: (c)

9. The main organelle involved in modification and routing of newly synthesized proteins to their destinations is
(a) Endoplasmic reticulum
(b) Lysosome
(c) Mitochondria
(d) Chloroplast

Answer

Answer: (a)

10. SER produces
(a) Nucleic acid
(b) Carbohydrate
(c) Protein
(d) Lipid

Answer

Answer: (d)

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Mitochondria Multiple Choice Questions

MCQs on Mitochondria :

1. Cristae in mitochondria serves as sites for
(a) oxidation reduction reaction
(b) protein synthesis
(c) macromolecules breakdown
(d) flavoproteins are phosphorylated

Answer

Answer: (a)

2. Pick the incorrect statement
(a) mitochondrial DNA is known as mtDNA
(b) mitochondria is the powerhouse of the cell
(c) mitochondria is the site for calvin cycle
(d) mitochondria is the site for krebs cycle and oxidative phosphorylation

Answer

Answer: (c)

3. Inner membrane of mitochondria is rich in phospholipid _______
(a) phosphatidylserine
(b) phosphatidylinositol
(c) phosphatidylcholine
(d) cardiolipin

Answer

Answer: (d)

4. Mt DNA is
(a) simple single stranded circular DNA molecule
(b) simple double stranded circular DNA molecule
(c) simple double stranded linear DNA molecule
(d) simple single stranded linear DNA molecule

Answer

Answer: (b)

5. Inner mitochondrial membrane has
(a) cytochrome oxidase complex
(b) b-c 1 complex
(c) NADH dehydrogenase complex
(d) all of the above

Answer

Answer: (d)

6. This is not a function of mitochondria
(a) fatty acid breakdown
(b) non-shivering thermogenesis
(c) electron transport chain and associated ATP production
(d) glycolysis and associated ATP production

Answer

Answer: (d)

7. This statement is incorrect about mitochondrial membrane
(a) outer membrane is permeable to all molecule types
(b) outer membrane is resembles a sieve
(c) outer membrane embeds enzymes of electron transfer chain
(d) none of these

Answer

Answer: (c)

8. Oxysomes of F0-F1 particles take place on
(a) Chloroplast surface
(b) Thylakoid
(c) Inner mitochondrial membrane
(d) Mitochondrial surface

Answer

Answer: (c)

9. Pick the incorrect statement
(a) generally, chloroplasts are larger than mitochondria
(b) mitochondria and chloroplasts both have DNA
(c) mitochondria and chloroplasts both contain an outer and inner membrane
(d) mitochondria and chloroplasts both have an internal compartment, the thylakoid space bound by thylakoid membrane

Answer

Answer: (d)

10. Typically, the inner membrane of mitochondria is highly convoluted to form a series of infolding known as
(a) grana
(b) thylakoids
(c) cristae
(d) lamellae

Answer

Answer: (c)

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Homeostasis Multiple Choice Questions

MCQs on Homeostasis :

1. Liver functions are pivotal to
(a) osmoregulation
(b) thermoregulation
(c) homeostasis
(d) all of these

Answer

Answer: (c)

2. During catabolism of amino acids, the release of amino group is known as
(a) deamination
(b) hydrolysis
(c) ammunition
(d) hydration

Answer

Answer: (a)

3. The only treatment in case of uremia is
(a) dialysis
(b) lithotripsy
(c) lung transplant
(d) kidney transplant

Answer

Answer: (d)

4. This type of nephron is best to conserve water in body
(a) Juxtamedullary nephrons
(b) cortical nephrons
(c) both (a) and (b)
(d) serotical nephrons

Answer

Answer: (a)

5. This is responsible for production of concentrated urine
(a) proximal tubule
(b) cortical nephrons
(c) distal tubule
(d) juxtamedullary nephron

Answer

Answer: (d)

6. This nephron segment is not permeable to water even in the presence of ADH
(a) Collecting duct
(b) descending limb of loop of Henle
(c) ascending limb of loop of Henle
(d) both (b) and (c)

Answer

Answer: (c)

7. Leaves fall of helping in plant to get rid of accumulated wastes hence known as
(a) ebony
(b) sacrifice
(c) excretophore
(d) helper

Answer

Answer: (c)

8. Active uptake of sodium is promoted by action of enzyme known as
(a) adrenatrone
(b) aldosterone
(c) antidiuretic
(d) diuretic

Answer

Answer: (b)

9. The vertebral column provides more strength as a result of 4
(a) burantals
(b) appendanges
(c) frontals
(d) curvatures

Answer

Answer: (d)

10. Dogs have specialized evaporative cooling in the respiratory tract by
(a) woofing
(b) licking
(c) panting
(d) sleeping

Answer

Answer: (c)

11. This statement about Homeostasis is incorrect
(a) because of this, the fluctuations of the internal environment are of extremely narrow range as compared to that of the external environment
(b) there is a definite control system regulating the homeostatic activities
(c) homeostatic mechanisms keep the internal environment fixed despite wide changes in the external environment
(d) all the above

Answer

Answer: (c)

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Epiphytes Multiple Choice Questions

MCQs on Epiphytes :

1. The presence of epiphytic roots is the characteristic feature of
(a) Cuscuta, in which haustoria is present
(b) Pinus, in which mycorrhizal association is present
(c) Orchids, in which velamen tissue is present
(d) Jussiaea, in which floating roots are present

Answer

Answer: (c)

2. Epiphytes like Vanda develop special layer of absorptive tissue velamen consisting of 4 or 5 layer os long polygonal cells. Velamen is formed by
(a) Stem
(b) Absorbing roots
(c) Hanging roots
(d) Clinging roots

Answer

Answer: (c)

3. A plant with epidermis specialised to absorb moisture from air is
(a) Rhizophora
(b) Jussiaea
(c) Vanda
(d) Avicennia

Answer

Answer: (c)

4. Outer covering of epiphytic root is
(a) Velamen
(b) Rhizophore
(c) Osmophore
(d) Pneumatophore

Answer

Answer: (a)

5. A root cap is not found in the root of
(a) Stilt root of Pandanus
(b) Seminal roots
(c) Hanging prop root of Banyan
(d) Epiphytic roots

Answer

Answer: (d)

6. This is a function of velamen
(a) transpiration
(b) exchange of gases
(c) absorption of moisture from air
(d) absorption of water from soil

Answer

Answer: (c)

7. Epiphyllous roots in Begonia and Bryophyllum are
(a) Modified leaves
(b) Green roots
(c) Roots arising from leaves
(d) Roots bearing stem

Answer

Answer: (c)

8. Aerial absorptive roots occur in
(a) Mesophytes
(b) Epiphytes
(c) Xerophytes
(d) Hydrophytes

Answer

Answer: (b)

9. This root modification does not store food
(a) Napiform
(b) Tuberous
(c) Stilt
(d) Conical

Answer

Answer: (c)

10. Identify the correct statement
(a) Velamen roots attach to the soil
(b) In Cuscuta, velamen roots are present
(c) Velamen roots are tap roots
(d) Velamen roots are living

Answer

Answer: (d)

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Chromoplast Multiple Choice Questions

MCQs on Chromoplast :

1. Which of the following plastid is found in ripe fruits?
(a) chromoplast
(b) chloroplast
(c) leucoplast
(d) amyloplast

Answer

Answer: (a)

2. Anthocyanin pigments are
(a) water-insoluble and located in chromoplasts
(b) water-soluble and located in chloroplasts
(c) water-soluble and located in vacuoles
(d) water-insoluble and located in vacuoles

Answer

Answer: (c)

3. Chloroplast does not contain
(a) xanthophyll
(b) anthocyanin
(c) carotene
(d) chlorophyll ‘b’

Answer

Answer: (b)

4. Which of the following pigment impart a red colour to tomato?
(a) erythrocyanin
(b) anthocyanin
(c) 𝝱-carotene
(d) lycopene

Answer

Answer: (d)

5. Which of the following plastid doesn’t store food?
(a) aleuroplasts
(b) amyloplasts
(c) chromoplasts
(d) elaioplasts

Answer

Answer: (c)

6. Protein storing plastid is
(a) chromoplast
(b) elaioplast
(c) amyloplast
(d) aleuroplast

Answer

Answer: (d)

7. Which of the following pigment is present in carrots?
(a) 𝝱-carotene
(b) lycopene
(c) lutein
(d) fucoxanthin

Answer

Answer: (a)

8. Which of the plastid(s) contains carotenoids?
(a) leucoplast
(b) chloroplast
(c) chromoplast
(d) both (b) and (c)

Answer

Answer: (d)

9. In which of the following organelle, peptide synthesis takes place?
(a) ribosomes
(b) chromoplasts
(c) chloroplasts
(d) mitochondria

Answer

Answer: (a)

10. Colour of tomato changes from green to red due to
(a) chromoplast gets converted to the chloroplast
(b) chromoplast disappears and chloroplast is formed
(c) chloroplast gets converted to chromoplast
(d) chloroplast disappears and chromoplast is formed

Answer

Answer: (c)

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Symptoms Of Hyperthyroidism In Females Multiple Choice Questions

MCQs on Symptoms Of Hyperthyroidism In Females :

1. Rapid heartbeat, shortness of breath, high body temperature are the symptoms of ___________.
(a) Thyroid crisis
(b) Thyroid storm
(c) Thyroid failure
(d) Thyroid death

Answer

Answer: (b)

2. Thyroid disorders are often mistaken for this condition.
(a) Pregnancy
(b) Menopause
(c) Crohn’s disease
(d) Posttraumatic stress disease

Answer

Answer: (b)

3. A 35-years-old female present to the hospital with symptoms of sudden onset of pain in the anterior neck spreading to the jaw from the past 2 days. Other than these symptoms, she also reported a full recovery from ‘a cold a week ago’. Which of the following findings are not consistent with her diagnosis.
(a) Formation of microabscesses
(b) Dense fibrosis of the thyroid gland
(c) Neutrophilic filtration of thyroid
(d) Plasma cells aggregating around damaged thyroid follicles

Answer

Answer: (b)

4. A condition marked by low TSH levels is called ___________.
(a) Hypothyroidism
(b) Goitre
(c) Hyperthyroidism
(d) Thyroid cancer

Answer

Answer: (c)

5. A 30-year old female presents with fatigue, fever, swelling in the neck area along with pain and difficulty in swallowing. Upon diagnosing, tenderness on palpation of thyroid in elicited. The lab reports showed elevated ESR, elevated T4, T3, and thyroglobulin levels. The 24hrs RAIU report is lesser than 5 per cent. What is diagnosed according to the patient’s lab reports?
(a) Grave’s disease
(b) Subacute thyroiditis
(c) Hashimoto’s thyroiditis
(d) Acute infectious thyroiditis

Answer

Answer: (b)

6. Which of the following body function is regulated by the thyroid producing hormones?
(a) Digestion
(b) Temperature
(c) Metabolism
(d) Blood pressure

Answer

Answer: (c)

7. Rapid heart rate, weight loss, heat sensitivity are most likely the symptoms of _________
(a) Thyroid cancer
(b) Hyperthyroidism (overactive thyroid)
(c) Hypothyroidism (underactive thyroid)
(d) All of the above

Answer

Answer: (b)

8. Exophthalmic goitre is due to ________.
(a) Hyposecretion of thyrocalcitonin
(b) Hyposecretion of thyroxine
(c) Hypersecretion of thyroxine
(d) Hypersecretion of thyrocalcitonin

Answer

Answer: (c)

9. Which type of epithelium is found in thyroid follicles?
(a) Columnar
(b) Squamous
(c) Cuboidal
(d) Transitional

Answer

Answer: (c)

10. Which of the following is the major causative for Grave’s disease?
(a) Hyperactivity of thyroid gland
(b) Hyperactivity of adrenal cortex
(c) Hyperactivity of adrenal medulla
(d) Hyperactivity of the islets of Langerhans

Answer

Answer: (d)