The correct sequence ofstages in the evolution of modern man (Hom

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

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

  • Triticum Vulgare

  • Triticum aestivum

  • Oryza sativa

  • Zea mays


32.

The genetic material in tobacco mosaic virus is

  • ss DNA

  • ss RNA

  • ds RNA

  • ds DNA


33.

Select the incorrect match.

  • Citric acid - Aspergillus niger

  • Streptokinase - Streptococcus

  • Butyric acid - Clostridium acetobutylicum

  • Cyclosporin A - Monascus purpureus


34.

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


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35.

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)


36.

Which of the following is used as bioinsecticide?

  • Bacillus polymyxa

  • Cylindrospermum licheniforme

  • Phytophthora palmivora

  • Chrysanthemum cinerarifolium


37.

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%


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38.

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


B.

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

Australopithecus evolved around 4 million years ago in Eastern Africa.

Homo erectus evolved around 1.8 million years ago and lived throughout Pleistocene geological epoch.

Neanderthal man lived around 40,000 years ago. These are an extinct species of archaic humans in the genus Homo.

Cro- magnon man were found in the year 1868.

Modern man or Homo sapiens are found from the last 200,000 years.


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39.

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


40.

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)


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