NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions


Which of the following is the correct scientific name of wheat derived by binominal nomenclature?

  • Triticum Vulgare

  • Triticum aestivum

  • Oryza sativa

  • Zea mays


The genetic material in tobacco mosaic virus is

  • ss DNA

  • ss RNA

  • ds RNA

  • ds DNA


Select the incorrect match.

  • Citric acid - Aspergillus niger

  • Streptokinase - Streptococcus

  • Butyric acid - Clostridium acetobutylicum

  • Cyclosporin A - Monascus purpureus


Which of the following statements is correct regarding menstrual cycle?

  • LH induces rupturing of Graafian follicle

  • Proliferative phase is characterised by the increased production of progesterone

  • Corpus luteum secretes large amount of estrogen

  • Both LH and FSH attain a peak level in secretory phase



Match column I with column II and select the correct option from the codes given below.

Column I Column II
A. Commensalism  (i) One inhibited, other unaffected
B. Parasitism  (ii) One benefitted, other unaffected
C. Mutualism (iii) Both are benefitted
D. Amensalism  (iv) One benefitted, other harmed

  • A - (iv), B - (ii), C- (iii), D - (i)

  • A - (iii), B - (iv), C - (ii), D - (i)

  • A - (ii), B - (iv), C - (iii), D - (i)

  • A - (ii), B - (iv), C - (i), D - (iii)


A - (ii), B - (iv), C - (iii), D - (i)

Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm and is adapted structurally to this way of life.

Mutualism is the way two organisms of different species exist in a relationship in which each individual fitness benefits from the activity of the other.

Amensalism is any relationship between organisms of different species in which one organism is inhibited or destroyed while the other organism remains unaffected.


Which of the following is used as bioinsecticide?

  • Bacillus polymyxa

  • Cylindrospermum licheniforme

  • Phytophthora palmivora

  • Chrysanthemum cinerarifolium


If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

  • 25%

  • 100%

  • No chance

  • 50%


The correct sequence ofstages in the evolution of modern man (Homo sapiens), is

  • Homo erectus, Australopithecus, neanderthal man, cro-magnon man, modern man

  • Australopithecus, Homo erectus, neanderthal man, cro-magnon man, modern man

  • Neanderthal man, Australopithecus, cromagnon man, Homo erectus, modern man

  • Australopithecus, Neanderthal man, cromagnon man, Homo erectus, modern man


Identify the parts labelled A, B, C and D in the given figure and select the correct option.

  • A- Scutellum, B- Epiblast, C- Coleoptile, D- Coleorhiza

  • A- Scutellum, B- Coleorhiza, C- Coleoptile, D- Epiblast

  • A- Scutellum, B- Coleoptile, C- Coleorhiza, D- Epiblast

  • A- Epiblast, B- Coleoptile, C- Coleorhiza, D- Scutellum


Match column I with column II and select the correct option from the given codes.

Column I Column II
A. Parthenocarpy (i) Seed formation without fertilisation
B. Polyembryony (ii) More than one embryo in same seed
C. Apomixis (iii) Seedless fruits without fertilisation
D. Somatic embryogenesis (iv) Embryo develops from a somatic cell

  • A- (iv), B- (ii), C- (iii), D- (i)

  • A- (iii), B- (ii), C- (i), D- (iv)

  • A- (i), B- (iv), C- (iii), D- (ii)

  • A- (ii), B- (iii), C- (i), D- (iv)