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.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
We have divided the complete NEET syllabus into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- Evolution MCQ for NEET
- Heredity and Evolution Class 10 MCQ
- Breathing and Exchange of Gases MCQ for NEET
NEET Questions on Biological Classification for 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 ( NEET Questions on Biological Classification )
(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 ( NEET Questions on Biological Classification )
(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? ( NEET Questions on Biological Classification )
(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? ( NEET Questions on Biological Classification )
(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 ( NEET Questions on Biological Classification )
(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: ……… ( NEET Questions on Biological Classification )
(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. ( NEET Questions on Biological Classification )
(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. ( NEET Questions on Biological Classification )
(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 ( NEET Questions on Biological Classification )
(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 ( NEET Questions on Biological Classification )
(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 ( NEET Questions on Biological Classification )
(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. ( NEET Questions on Biological Classification )
(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.
Which of the following genotype represents round and yellow pea seeds?
(A) IrYY
(B) RrYy
(C) rryy
(D) RRyy
Option b – RrYy
Read the given statements. Statement I: F₁ headpiece of ATP synthase contains the site for the synthesis of ATP from ADP and inorganic phosphate. Statement II: Fo is a peripheral membrane protein present in the matrix of mitochondria. The correct statement/s is/are
(A) Statement I
(B) Statement II
(C) Both statements I and II
(D) Neither statement I nor statement II
Option a – Statement I
What will be the blood group of the offspring, if the group of mother is AB and that of the blood father is A?
(A) A
(B) B
(C) AB
(D) Any of these
Option d – Any of these
Which of the following statement is INCORRECT with respect to ATP synthase enzyme in Chemiosmosis?
(A) ATP synthase enzyme consists of CF and CF₁.
(B) CFO of ATP synthase is embedded in the thylakoid membrane.
(C) CF₁ of ATP synthase is located on the inner side of the lumen of the thylakoid.
(D) CF forms a transmembrane channel that carries out facilitated diffusion of protons across the membrane.
Option c – CF₁ of ATP synthase is located on the inner side of the lumen of the thylakoid.
Which of the following is WRONG with respect to aerobic respiration?
(A) It takes place in the cytoplasm and mitochondria.
(B) Oxidation of food is incomplete.
(C) It involves the participation of free molecular oxygen.
(D) It releases more energy as compared to anaerobic respiration.
Option b – Oxidation of food is incomplete.
Which of the following forms the proton channel that carries out facilitated diffusion of protons across the thylakoid membrane?
(A) CF, of ATP synthase
(B) Plastoquinone
(C) CFO of ATP synthase
(D) Plastocyanin
Option c – CFO of ATP synthase
When a tall pea variety is crossed with a dwarf pea variety, a heterozygous tall pea hybrid was obtained. On selfing F₁ hybrids, the phenotypic ratio obtained is
(A) 1 : 2 : 1
(B) 3 : 1
(C) 9 : 3 : 3 : 1
(D) 1 : 2 : 4 : 2 : 1
Option b – 3 : 1
Which of the following does NOT occur in stroma?
(A) C3 and C4 cycles take place in the stroma.
(B) ATP and NADPH, are produced in the presence of light.
(C) CO₂ is fixed in the absence of light to form hexose sugar.
(D) The dark reaction occurs in the stroma.
Option b – ATP and NADPH, are produced in the presence of light.
Which of the following is common to both cyclic as well as non-cyclic photophosphorylation?
(A) Release of O₂
(B) Splitting of water
(C) Formation of ATP
(D) Formation of NADPH
Option c – Formation of ATP
In glycolysis, which of the following step shows a reduction of co-enzyme?
(A) 1, 3-bisphosphoglycerate to 3-phosphoglycerate
(B) Glucose-6-phosphate to fructose-6-phosphate
(C) 3-phosphoglycerate to 2-phosphoglycerate
(D) Glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate
Option d – Glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate
The genotype of males is ZZ and that of females is ZW in
(A) Birds
(B) Grasshopper
(C) Drosophila
(D) Honey bee
Option a – Birds
Which of the following is NOT a stage of Calvin’s cycle?
(A) Carboxylation
(B) Photorespiration
(C) Reduction
(D) Regeneration
Option b – Photorespiration
The final hydrogen acceptor in the electron transport chain is
(A) Ubiquinone
(B) Cytochrome
(C) NAD
(D) Oxygen
Option d – Oxygen
Identify the plant which exhibits incomplete dominance in flower color.
(A) Snapdragon
(B) Pisum sativum
(C) Periwinkle
(D) Cycas
Option a – Snapdragon
Select the CORRECT statement from the following.
(A) Accessory pigments can directly convert light energy to chemical energy.
(B) Chlorophyll b is found more than chlorophyll an in the leaves of most plants.
(C) Carotenoids are generally blue-green pigments.
(D) Greenlight range is least effective in photosynthesis.
Option d – Greenlight range is least effective in photosynthesis.
In anaerobic respiration, CO₂ is liberated during
(A) Decarboxylation of pyruvic acid
(B) Reduction of pyruvic acid
(C) Reduction of acetaldehyde
(D) Oxidation of pyruvic acid
Option a – Decarboxylation of pyruvic acid
Non-cyclic photophosphorylation cannot take place in stroma lamellae membranes, because
(A) stroma lamellae membranes lack PS I
(B) stroma lamellae membranes lack PS II
(C) stroma lamellae membranes lack NADP reductase enzyme
(D) Both (B) and (C)
Option d – Both (B) and (C)
Sorghum and maize are one of the most efficient plants in trapping light energy because
(A) photorespiration does not occur in these plants.
(B) they lack the Calvin cycle.
(C) they follow the C4 pathway in which the C3 cycle does not occur.
(D) they lack Kranz anatomy.
Option a – photorespiration does not occur in these plants
Which of the following statement defines respiration correctly?
(A) The catabolic process that uses CO2, produces O₂ and converts the released energy into ATP.
(B) The anabolic process uses O₂ and CO₂ to form ATP.
(C) The catabolic process that uses O2, produces CO₂ and converts the released energy into ATP.
(D) The anabolic process that uses CO2, produces O₂ and converts the released energy into ATP.
Option c – The catabolic process that uses O2, produces CO₂ and converts the released energy into ATP.
Haemophilia is a/an
(A) the trait that shows its transmission from carrier female to some of the male progeny.
(B) autosome-linked recessive trait.
(C) the chromosomal disorder caused due to polyploidy.
(D) disease in which the possibility of a female becoming hemophilic is very high.
Option a – the trait that shows its transmission from carrier female to some of the male progeny.
Which of the following statement is true for secondary growth?
(A) It occurs in stems of dicots as well as monocots.
(B) It occurs through the activity of the vascular cambium and cork cambium.
(C) It contributes to the elongation of plants.
(D) It occurs by the activity of apical meristem.
Option b – It occurs through the activity of the vascular cambium and cork cambium.
Read the given statements and select the correct option. i. The apoplast pathway is the system of adjacent cell walls that is continuous throughout the plant, except at the Casparian strips. ii. In symplast movement, the movement of water occurs exclusively through the intercellular spaces and walls of the cells. iii. The movement of water through the apoplast does not involve crossing the cell membrane. iv. During symplast movement, water enters the cells through the cell membrane.
(A) i and ii are correct
(B) ii and iii are incorrect
(C) i, ii and iii are incorrect
(D) i, iii and iv are correct
Option d – i, iii and iv are correct
All solution has
(A) higher water potential than pure water
(B) lower water potential than pure water
(C) zero water potential
(D) water potential equal to pure water
Option b – lower water potential than pure water
In Larkspur, the leaves of juvenile plants are different in shape from those of mature plants. This is an example of
(A) heterophylly
(B) phototropism
(C) photoperiodism
(D) vernalization
Option a – heterophylly
Water potential of pure water is always
(A) greater than one
(B) negative
(C) zero
(D) one
Option c – zero
A high concentration of 2, 4-D is used for
(A) weed control
(B) controlling cell enlargement
(C) preventing the growth of lateral buds
(D) enhancing root initiation
Option a – weed control
Read the given statements about Racemose inflorescence and select the correct option. Statement I: In this type of inflorescence, the main axis continues to grow. Statement II: In Racemose inflorescence, flowers are borne in a basipetal order. Statement III: In this type of inflorescence the main axis terminates in a flower. The correct statement/s is/are
(A) Statement I and III
(B) Statement I
(C) Statement II and III
(D) Statement III
Option a – Statement I and III
……… hormone promotes internode elongation in plants with rosette habit.
(A) Auxin
(B) Abscisic acid
(C) Gibberellin
(D) Cytokinin
Option a – Auxin
Read the given statements with respect to facilitated diffusion. Statement I: In symport, both molecules move in opposite directions. Statement II: In uniport, a molecule moves independently of other molecules. Statement III: In antiport, both molecules move in the same direction. The incorrect statement/s is/are
(A) Statement (I) and (II)
(B) Statement (II)
(C) Statement (I) and (III)
(D) Statement (III)
Option b – Statement (II)
Read the following statements: i. Neem shows palmately compound leaves. ii. When the lamina of the leaf is incised and incisions do not touch the midrib, the leaf is said to be entire. iii. Long thin flexible petioles help in cooling the leaf and bringing fresh air to the leaf surface. Of the statements given above
(A) (iii) is correct and (i) and (ii) are incorrect.
(B) (i) is correct and (ii) and (iii) are incorrect.
(C) (i) is incorrect and (ii) and (iii) are correct.
(D) (ii) is incorrect and (i) and (ii) are correct.
Option d – (ii) is incorrect and (i) and (ii) are correct
Free central and basal placentation is shown by ……. and ……….. plants respectively.
(A) Pea; Dianthus
(B) Primrose; Sunflower
(C) Tomato : Marigold
(D) Argemone; China rose
Option b – Primrose; Sunflower
The arrangement of flowers on floral axis is termed as
(A) phyllotaxy
(B) aestivation
(C) inflorescence
(D) placentation
Option c – inflorescence
Read the given statements and select the correct option. Statement I: Growth is always accompanied by both anabolic and catabolic processes. Statement II: In plants, an open form of growth is observed.
(A) Statement I is correct.
(B) Statement 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.
Select the INCORRECT statement about soybean flowers.
(A) Petals show vexillary aestivation of corolla
(B) Belongs to the potato family
(C) Stamens are diadelphous
(D) Corolla is papilionaceous
Option b – Belongs to the potato family
The micronutrient required for the synthesis of auxin is
(A) Ca
(B) P
(C) K
(D) Zn
Option d – Zn
Read the given statements. i. Redifferentiated cells are the ones that are produced by dedifferentiation but have lost the capacity to divide. ii. Redifferentiated cells are produced at the root cap region. iii. Redifferentiated cells possess the capacity to divide but do not perform any specific function. The correct statement/s is/are
(A) i and ii
(B) Only i
(C) Only ii
(D) i, ii and iii
Option b – Only i
Select the INCORRECT statement from the following.
(A) Negatively geotropic roots are found in Rhizophora.
(B) Turmeric is an underground modification of roots.
(C) Turnip is a tap root modified for the storage of food.
(D) Tendrils in cucumber help plants climb.
Option b – Turmeric is an underground modification of roots
Which of the following is an intrinsic factor controlling plant developmental processes?
(A) Nutrition
(B) Light
(C) Oxygen
(D) Phytohormones
Option d – Phytohormones
We covered all the neet questions on biological classification above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
