MCQs on Enzymes. We covered all the MCQs on Enzymes in this post for free so that you can practice well for the exam.
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MCQ on Enzymes for NEET Students
What is CORRECT for chylomicron?
(A) It is glycerol converted into fine fat globules.
(B) It is a unit formed by the union of fructose with carrier molecules.
(C) It is fatty acid converted into very small fat globules.
(D) Small fat globules in the form of cholesterol.
Option c – It is fatty acid converted into very small fat globules.
The stomach is divided into four portions, (i) into which the oesophagus opens, (ii) regions, and (iii) which opens into the small intestine.
(A) i Fundic, ii – Pyloric, iii – Body, iv – Cardiac
(B) i – Cardiac, ii – Fundic, iii – Body, iv – Pyloric
(C) i – Fundic, ii – Cardiac, iii – Pyloric, iv – Body
(D) i Cardiac, ii – Pyloric, iii – Fundic, iv – Body
Option b – i – Cardiac, ii – Fundic, iii – Body, iv – Pyloric
Transplantation of tissues/organs to save certain patients often fails due to the rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
(A) Auto-immune response
(B) Humoral immune response
(C) Physiological immune response
(D) Cell-mediated immune response
Option d – Cell-mediated immune response
Which among the following is CORRECT during each cardiac cycle?
(A) The volume of blood pumped out by the Rt and Lt ventricles is the same.
(B) The volume of blood pumped out by the Rt and Lt ventricles is different.
(C) The volume of blood received by each atrium is different.
(D) The volume of blood received by the aorta and pulmonary artery is different.
Option a – The volume of blood pumped out by the Rt and Lt ventricles is the same.
Which one of the following is the identifiable character of Neanderthal man?
(A) brain capacity 650 cc-800 cc
(B) developed pre-historic cave art
(C) lived before 2 million years ago
(D) buried their dead
Option d – buried their dead
In population ‘X’ proportion of gene ‘M’ is 60% and gene ‘m’ is 40% then which of the following options is correct for the heterozygous genotype in the offspring (According to Hardy-Weinberg Law)?
(A) 36%
(B) 48%
(C) 16%
(D) 20%
Option b – 48%
The phenomenon of the evolution of different species in a given geographical area starting from a point and spreading to other habitats is called
(A) Co-evolution
(B) Natural selection
(C) Adaptive radiation
(D) Saltation
Option c – Adaptive radiation
H. Boyer and S. Cohen are famous for their research work on
(A) Structure of double-stranded DNA
(B) Construction of the first artificial DNA molecule
(C) Discovery of restriction enzymes
(D) Invention of Polymerase Chain Reaction
Option b – Construction of the first artificial DNA molecule
Choose the CORRECT statement.
(A) Receptors do not produce graded potentials.
(B) Nociceptors respond to changes in pressure.
(C) Meissner’s corpuscles are thermoreceptors.
(D) Photoreceptors in the human eye are depolarized during darkness and become hyperpolarized in response to the light stimulus.
Option d – Photoreceptors in the human eye are depolarized during darkness and become hyperpolarized in response to the light stimulus.
Which of the following is NOT involved in knee-jerk reflex?
(A) Muscle spindle
(B) Motor neuron
(C) Brain
(D) Interneurons
Option c – Brain
Which one of the following statements is CORRECT?
(A) Fertilization in humans takes place in the womb.
(B) Zygote contains a haploid number of chromosomes.
(C) Fertilization membrane avoids polyspermy.
(D) Primary oocyte inhibits the process of oogenesis.
Option c – Fertilization membrane avoids polyspermy.
Identify the diagnostic procedure used to detect genetic defects in the embryo :
(A) ELISA
(B) Amniocentesis
(C) Amenorrhea
(D) Sonography
Option b – Amniocentesis
Which of the following is NOT a sexually transmitted disease?
(A) Syphilis
(B) Acquired Immuno Deficiency Syndrome (AIDS)
(C) Trichomoniasis
(D) Encephalitis
Option d – Encephalitis
Identify the WRONG statement with reference to immunity.
(A) When ready-made antibodies are directly given, it is called “Passive immunity”.
(B) Active immunity is quick and gives a full response.
(C) Foetus receives some antibodies from the mother, it is an example of passive immunity.
(D) When exposed to antigen (living or dead) antibodies are produced in the host’s body. It is called “Active immunity”.
Option b – Active immunity is quick and gives a full response
Which of the following is a CORRECT sequence of steps in a PCR (Polymerase Chain Reaction)?
(A) Annealing, Denaturation, Extension
(B) Denaturation, Annealing, Extension
(C) Denaturation, Extension, Annealing
(D) Extension, Denaturation, Annealing
Option b – Denaturation, Annealing, Extension
Choose the CORRECT sequence of steps in PCR.
(A) Annealing – Denaturation – Extension – Amplification
(B) Amplification – Annealing – Denaturation – Extension
(C) Denaturation – Annealing – Extension – Amplification
(D) Denaturation – Amplification – Extension – Annealing
Option c – Denaturation – Annealing – Extension – Amplification
Spooling is
(A) Cutting of separated DNA bands from the agarose gel
(B) Transfer of separated DNA fragments to synthetic membranes
(C) Collection of isolated DNA
(D) Amplification of DNA
Option c – Collection of isolated DNA
Which one of the following statements about morula in humans is correct? ( MCQs on Enzymes )
(A) It has an almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.
(B) It has far less cytoplasm as well as less DNA than an uncleaved zygote.
(C) It has a more or less equal quantity of cytoplasm and DNA as in an uncleaved zygote.
(D) It has more cytoplasm and more DNA than an uncleaved zygote.
Option a – It has an almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.
A childless couple visits Assisted Reproductive Technologies (ARTS) center to get assistance to have a child. On diagnosis, it was noticed that there was a low sperm count in the male partner. Which of the following strategy of ART is most suitable in this case?
(A) Gamete Intra-Fallopian Transfer (GIFT)
(B) Artificial Insemination (AI)
(C) Zygote Intra-Fallopian Transfer (ZIFT)
(D) In vitro Fertilisation (IVF)
Option b – Artificial Insemination (AI)
Interferons are named for their ability to interfere with ………. infection. ( MCQs on Enzymes )
(A) fungal
(B) viral
(C) bacteriophage
(D) protozoan
Option b – viral
We covered all the MCQs on enzymes above in this post for free so that you can practice well for the exam.
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