300+ REAL TIME NEET Biology Objective Questions & Answers 2023

300+ TOP MCQs on Hormonal Control Digestion and Answers

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 Hormonal Control Digestion Multiple Choice Questions

MCQs on Hormonal Control Digestion :

1. Enterogastrone is
(a) hormone secreted by intestinal mucosa
(b) hormone secreted by mucosa
(c) secreted by endocrine glands related to digestion
(d) hormone secreted by gastric mucosa

Answer

Answer: (a)

2. Juice containing sodium glycocholate is secreted under the influence of
(a) enterogastrone
(b) cholecystokinin
(c) enterokinin
(d) secretin

Answer

Answer: (b)

3. Gall bladder contractions and Pancreatic secretion are triggered by
(a) enterogastrone
(b) enterocrinin
(c) gastrin
(d) cholecystokinin

Answer

Answer: (d)

4. Cholecystokinin hormone which is released from the intestinal epithelium triggers
(a) release of bile from gallbladder
(b) conversion of protein to peptones
(c) conversion of fats into glycerol
(d) secretion of pancreatic juice

Answer

Answer: (a)

5. The hormone secretin triggers
(a) gallbladder
(b) pancreas
(c) crypts of Lieberkuhn
(d) stomach

Answer

Answer: (b)

6. This regulates the enzymatic quantity in pancreatic juice
(a) Cholecystokinin
(b) Gastrin
(c) Pancreozymin
(d) Secretin

Answer

Answer: (c)

7. In a mammal, the release of pancreatic juice from the pancreas is triggered by
(a) cholecystokinin
(b) trypsinogen
(c) secretin
(d) enterokinase

Answer

Answer: (c)

8. This body part secretes secretin hormone
(a) Oesophagus
(b) Ileum
(c) Duodenum
(d) Stomach

Answer

Answer: (c)

9. The hormone gastrin is secreted by
(a) pancreas
(b) liver
(c) stomach
(d) intestine

Answer

Answer: (c)

10. Secretion of gastric juice is controlled by
(a) cholecystokinin
(b) gastrin
(c) enterogastrone
(d) none of the above

Answer

Answer: (b)

300+ TOP MCQs on Biomass Energy and Answers

MCQs on Biomass Energy :

1. Biomass is used in the production of
(a) fibers
(b) chemicals
(c) transportation fuels
(d) biochemicals

Answer

Answer: (c)

2. Production of bio ethanol is through fermentation of ________ and starch components
(a) alcohol
(b) sugar
(c) milk
(d) acid

Answer

Answer: (b)

3. This is also called as a bio gas
(a) bio butanol
(b) biodiesel
(c) bio ethanol
(d) bio methane

Answer

Answer: (d)

4. In bio methane, the percentage of carbon dioxide is
(a) 55-60
(b) 35-45
(c) 30-40
(d) 32-43

Answer

Answer: (d)

5. By-products generated during rectification of bio ethanol is utilized as
(a) sheep feed
(b) cow feed
(c) dog feed
(d) pig feed

Answer

Answer: (c)

6. Bio ethanol is mixed with ________ to prepare transport fuel
(a) oil
(b) petrol
(c) kerosene
(d) diesel

Answer

Answer: (b)

7. Bio ethanol is denatured alcohol, also referred to as
(a) methylene
(b) ethylene
(c) ethylene glycol
(d) methylated spirit

Answer

Answer: (d)

8. This forestry material is used as biomass
(a) fish oil
(b) logging residues
(c) manure
(d) tallow

Answer

Answer: (b)

9. The aerobic digestion of sewage is utilized in the production of
(a) metal articles
(b) bio fuels
(c) biomass
(d) synthetic fuels

Answer

Answer: (b)

10. This is an example of starch crops biomass feed stocks
(a) corn stover
(b) wheat straw
(c) orchard prunings
(d) sugar cane

Answer

Answer: (d)

300+ TOP MCQs on ABA and Other Growth Regulators and Answers

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 ABA and Other Growth Regulators Multiple Choice Questions

MCQs on ABA and Other Growth Regulators :

1. Abscission zone can be induced for formation by
(a) abscisic acid
(b) cytokinins
(c) gibberellins
(d) auxins

Answer

Answer: (a)

2. Presence of this in the seed is linked with dormancy
(a) abscisic acid
(b) gibberellic acid
(c) starch
(d) ethylene

Answer

Answer: (a)

3. Abscisic acid treatment results in
(a) root elongation
(b) stomatal closure
(c) stem elongation
(d) leaf expansion

Answer

Answer: (b)

4. ABA contains
(a) one asymmetric and two symmetric carbon atoms
(b) one symmetric and two asymmetric carbon atoms
(c) one asymmetric carbon atom
(d) one symmetric carbon atom

Answer

Answer: (c)

5. Morphactins are
(a) synthetic auxins
(b) synthetic gibberellins
(c) synthetic growth regulators
(d) none of these

Answer

Answer: (c)

6. Dormin is a
(a) abscisic acid
(b) growth promoter
(c) auxin
(d) none of these

Answer

Answer: (a)

7. This is wound hormone
(a) phyllocaline
(b) auxin
(c) hormone only
(d) necrohormone

Answer

Answer: (d)

8. This is a plant hormone
(a) acetylene
(b) dormin
(c) formalin
(d) all of these

Answer

Answer: (b)

9. This is a naturally occurring growth inhibitor
(a) NAA
(b) IAA
(c) GA
(d) ABA

Answer

Answer: (d)

10. Abscisic acid regulates
(a) leaf fall and dormancy
(b) cell division
(c) cell elongation and cell wall formation
(d) shoot elongation

Answer

Answer: (a)

300+ TOP MCQs on Coelenterata and Answers

MCQs on Coelenterata :

1. Which coelenterate is not polymorphic
(a) Vellela
(b) Physalia
(c) Porpita
(d) Adamsia

Answer

Answer: (d)

2. This group is commonly known as ‘sea stick’
(a) Porifera
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata

Answer

Answer: (b)

3. This does not belong to Phylum Coelenterata
(a) Sea cucumber
(b) Sea feather
(c) Sea pen
(d) Sea fan

Answer

Answer: (a)

4. A coelenterate that is commonly referred to as ‘fresh water polyp’ is
(a) Obelia
(b) Physalia
(c) Hydra
(d) Aurelia

Answer

Answer: (c)

5. This is a special character of coelenterata occurring only in them
(a) Flame cells
(b) Hermaphroditism
(c) Nematocysts
(d) Polymorphism

Answer

Answer: (c)

6. The characteristic larva in coelenterates is
(a) Oncosphere
(b) Rhabditiform
(c) Planula
(d) Cysticercus

Answer

Answer: (c)

7. Oxygen in coelenterates is supplied to different tissues by
(a) Plasma
(b) Diffuses through integuments
(c) Blood pigment
(d) Tracheal tubes

Answer

Answer: (b)

8. The class of coelenterata in which the medusa and polyp both are found in one animal is
(a) Anthozoa
(b) Hydrozoa
(c) Scyphozoa
(d) None of the above

Answer

Answer: (b)

9. This phylum shows the presence of nerve cells and absence of nerves
(a) Coelenterata
(b) Porifera
(c) Nemathelminthes
(d) Platyhelminthes

Answer

Answer: (a)

10. This is a characteristic feature of coelenterata
(a) Polyp
(b) Gastrovascular cavity
(c) All are marine
(d) Presence of tentacles around mouth

Answer

Answer: (b)

300+ TOP MCQs on Connective Tissue and Answers

MCQs on Connective Tissue :

1. Find the correct statement
(a) Areolar tissue is a loose connective tissue
(b) Tendon is a specialized connective tissue
(c) Cartilage is a loose connective tissue
(d) Adipose tissue is a dense connective tissue

Answer

Answer: (a)

2. In comparison to human erythrocytes, frog’s erythrocytes are
(a) smaller and fewer
(b) nucleated and without haemoglobin
(c) enucleated but with haemoglobin
(d) nucleated and with haemoglobin

Answer

Answer: (d)

3. Tip of the nose and external ears have
(a) areolar tissue
(b) ligament
(c) cartilage
(d) bone

Answer

Answer: (c)

4. Mast cells contain
(a) heparin and histamine
(b) heparin and calcitonin
(c) serotonin and melanin
(d) vasopressin and relaxin

Answer

Answer: (a)

5. The largest extracellular material present in the
(a) Stratified epithelium
(b) Striated muscle
(c) Myelinated nerve fibres
(d) Areolar tissue

Answer

Answer: (d)

6. Peptidoglycan present in the cartilage is
(a) ossein
(b) chondroitin
(c) cartilagin
(d) casein

Answer

Answer: (b)

7. Antibodies are secreted by
(a) adipose cells
(b) reticular cells
(c) plasma cells
(d) mast cells

Answer

Answer: (c)

8. Histamine is secreted by
(a) histiocytes
(b) lymphocytes
(c) fibroblasts
(d) mast cells

Answer

Answer: (d)

9. Ligament is
(a) modified yellow elastic fibrous tissue
(b) inelastic white fibrous tissue
(c) modified white fibrous tissue
(d) none of the above

Answer

Answer: (a)

10. Collagen is
(a) carbohydrate
(b) lipid
(c) fibrous protein
(d) globular protein

Answer

Answer: (c)

300+ TOP MCQs on Transcription In Eukaryotes and Answers

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 Transcription In Eukaryotes Multiple Choice Questions

MCQs on Transcription In Eukaryotes :

1. The enzyme required for transcription is
(a) RNAase
(b) DNA polymerase
(c) RNA polymerase
(d) Restriction enzymes

Answer

Answer: (c)

2. Transcription is the transfer of genetic information from
(a) DNA to RNA
(b) DNA to mRNA
(c) mRNA to tRNA
(d) tRNA to mRNA

Answer

Answer: (b)

3. Sigma factor is a component of
(a) DNA ligase
(b) DNA polymerase
(c) Endonuclease
(d) RNA polymerase

Answer

Answer: (d)

4. The main function of tRNA with regards to protein synthesis is
(a) Proofreading
(b) identifies amino acids and transports them to ribosomes
(c) Inhibits protein synthesis
(d) all of the above

Answer

Answer: (b)

5. One end of tRNA matches genetic code in three-nucleotide sequences known as
(a) codon
(b) genetic code
(c) blunt ends
(d) anticodon

Answer

Answer: (d)

6. The longest primary transcript is generated by
(a) dystrophin gene
(b) Tintin gene
(c) neuromedin u
(d) centromere protein A

Answer

Answer: (a)

7. A DNA sequence is read by an RNA polymerase that produces complementary antiparallel RNA strand known as
(a) Hexa transcript
(b) secondary transcript
(c) primary transcript
(d) tertiary transcript

Answer

Answer: (c)

8. Which of these subunits of RNA polymerase is totally required to initiate transcription?
(a) alpha (α)
(b) sigma (σ)
(c) omega (ω)
(d) beta (β)

Answer

Answer: (b)

9. In both prokaryotic and eukaryotic cells, the synthesis of protein chains is initiated with
(a) Arginine
(b) Methionine
(c) Serina
(d) Valine

Answer

Answer: (b)

10. In eukaryotes, in order to initiate transcription
(a) RNA strand must be present
(b) RNA polymerase must be present
(c) Core promoter sequence must be present
(d) None of these

Answer

Answer: (c)