NEET Questions on Biological Classification. We covered all the NEET Questions on Biological Classification in this post for free so that you can practice well for the exam.
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MCQ on Biological Classification for NEET Students
The brain capacity of Homo habilis was
(A) 300-400 cc
(B) 450-550 cc
(C) 650-800 cc
(D) 900-1400 cc
Option c – 650-800 cc
Read the following statements and select the correct option. Statement I: T lymphocytes mediate humoral immunity. Statement II: T lymphocytes produce antibodies.
(A) Statement I is correct, and Statement II is incorrect.
(B) Statement I is incorrect, and Statement II is correct.
(C) Both Statements I and II are correct.
(D) Both Statements I and II are incorrect.
Option d – Both Statements I and II are incorrect.
Read the following statements and select the correct option. Statement I: 20- 25% of CO₂ is carried by hemoglobin as carbaminohaemoglobin. Statement II: 7% of CO₂ is carried in a dissolved state through plasma.
(A) Statement 1 is correct and II incorrect
(B) Statement I is incorrect and II is correct
(C) Both statements I and II are correct
(D) Both statements I and II are incorrect
Option c – Both statements I and II are correct
The eye of the octopus and the eye of the bat is an examples of
(A) analogous organs evolved due to divergent evolution
(B) analogous organs evolved due to convergent evolution
(C) homologous organs evolved due to convergent evolution
(D) homologous organs evolved due to divergent evolution
Option b – analogous organs evolved due to convergent evolution
Which antibodies are present in abundance in the colostrum?
(A) IgA
(B) IgG
(C) IgC
(D) IgE
Option a – IgA
Which of the following statement INCORRECT?
(A) The oxygen dissociation curve is sigmoid.
(B) The formation of oxyhemoglobin is favored by high pCO2 in alveoli.
(C) The dissociation of oxygen from oxyhemoglobin at the tissue level is favored by high H concentration.
(D) In RBCs, CO₂ combines with hemoglobin to form carbaminohaemoglobin.
Option b – The formation of oxyhemoglobin is favored by high pCO2 in alveoli.
Read the following statements and select the correct option. Statement I: Allelic frequencies in a population are never stable. Statement II: Gene pool refers to the sum total of genes and their alleles in a population.
(A) Statement I is correct and Statement II is incorrect.
(B) Statement II is correct and Statement I is incorrect.
(C) Both Statement I and Statement II are correct.
(D) Both Statement I and Statement II are incorrect.
Option b – Statement II is correct and Statement I is incorrect.
Polymorpho-nuclear leukocytes are which type of barrier?
(A) physical barriers
(B) physiological barriers
(C) cellular barriers
(D) cytokine barriers
Option c – cellular barriers
The partial pressure of oxygen is minimum in
(A) oxygenated blood
(B) atmospheric air
(C) alveoli
(D) tissues
Option d – tissues
Chemosensitive area is
(A) located in pons of the brain
(B) sensitive to changes in blood glucose level
(C) located adjacent to the rhythm center
(D) activated due to changes in ambient temperature
Option c – located adjacent to the rhythm center
Which of the following is a missing link between reptiles and birds?
(A) Balaenoptera
(B) Pteridosperm
(C) Archaeopteryx
(D) Ornithorhynchus
Option c – Archaeopteryx
Complete the analogy. Infectious disease : AIDS:: Non-infectious disease: ………
(A) Typhoid
(B) Diphtheria
(C) Malaria
(D) Cancer
Option d – Cancer
The thoracic chamber is formed ventrally by the
(A) vertebral column
(B) sternum
(C) ribs
(D) diaphragm
Option b – sternum
Jawless fish probably evolved around …….. mya.
(A) 200
(B) 350
(C) 400
(D) 550
Option b – 350
Haemophilus influenzae causes the disease ……… in humans.
(A) filariasis
(B) pneumonia
(C) Malaria
(D) typhoid
Option b – pneumonia
Select the mismatch.
(A) Inspiratory reserve volume – 2500 to 3000 ml
(B) Expiratory reserve volume – 4000 to 5000 ml
(C) Residual volume – 1100 to 1200 ml
(D) Tidal volume – 500 ml
Option b – Expiratory reserve volume – 4000 to 5000 ml
Which of the following is an Australian marsupial?
(A) Flying squirrel
(B) Lemur
(C) Spotted Cuscus
(D) Bobcat
Option c – Spotted Cuscus
Which of the following statements is INCORRECT? i. Malarial parasites reproduce asexually in liver cells. ii. Infection of malaria begins when an infected female Anopheles mosquito bites a person, injecting malarial parasites in the form of sporozoites into the bloodstream. iii. Sporozoites are gametocytes of malarial parasites which mature in the mosquito’s salivary gland. iv. Fertilization of male and female gametocytes of the malarial parasite occurs in the liver cells of humans.
(A) i and iv
(B) iii and iv
(C) ii and iii
(D) i and ii
Option b – iii and iv
Cutaneous respiration occurs in
(A) birds
(B) frogs
(C) reptiles
(D) fishes
Option b – frogs
Mammals that live wholly in water are
(A) Sharks
(B) Dolphins
(C) Torpedos
(D) Magurs
Option b – Dolphins
The causative organism of ringworm is
(A) Streptococcus pneumoniae
(B) Salmonella typhi
(C) Entamoeba histolytica
(D) Epidermophyton
Option d – Epidermophyton
Which of the following drug is obtained from the inflorescences of the plant Cannabis sativa?
(A) Coca alkaloid
(B) Opioids
(C) Natural cannabinoids
(D) Cocaine
Option c – Natural cannabinoids
The total volume of air accommodated in the lungs at the end of a forced inspiration includes
(A) RV and IRV only
(B) ERV and IRV only
(C) RV, TV, and ERV only
(D) RV, ERV, TV, and IRV
Option d – RV, ERV, TV, and IRV
Identify the INCORRECT statement.
(A) Big Bang theory attempts to explain the origin of the universe.
(B) Oparin and Haldane proposed that the first form of life could have come from pre-existing living organic molecules.
(C) Urey and Miller simulated conditions similar to primitive earth in their experiment to support the Oparin-Haldane hypothesis.
(D) Louis Pasteur demonstrated that life comes only from pre-existing life.
Option b – Oparin and Haldane proposed that the first form of life could have come from pre-existing living organic molecules.
Identify the INCORRECT statement.
(A) MALT constitutes about 50% of the lymphoid tissue.
(B) Spleen traps blood-borne microorganisms.
(C) The thymus decreases in size with age.
(D) Bone marrow is the main lymphoid organ where all blood cells except lymphocytes are produced.
Option d – Bone marrow is the main lymphoid organ where all blood cells except lymphocytes are produced.
We covered all the neet questions on biological classification above in this post for free so that you can practice well for the exam.
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