Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

Which of the following microbes is correctly paired with its function?

  • Aspergillus niger- Production of lactic acid

  • Trichoderma polysporum- Lowers blood cholesterol

  • Saccharomyces cerevisiae- Production of citric acid

  • Methanogenic bacteria- Gobar gas formation


12.

Match Column - I with Column - II and select the correct option from the codes given below

Column I Column II
A. Chlorophyta (i) Equisetum
B. Lycopsida (ii) Chara
C. Phaeophyta (iii) Selaginella
D. Sphenopsida (iv) Ectocarpus

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

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

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

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


13.

Which of the following gastric secretions is correctly matched with its source?

  • Pepsin - Chief cells

  • Chymotrypsin - Parietal cells

  • HCl - Goblet cells

  • Mucus - Oxyntic cells


14.

Which of the following is true for excretion in humans?

  • Glucose and amino acids are reabsorbed in PCT by simple diffusion.

  • OCT is impermeable to water.

  • Or an average, 25-30 gm of urea is excreted out per day.

  • Maximum reabsorption occurs in the loop of Henle.


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15.

Which of the following is the correct floral formula for the floral diagram given below?

  • BrEpi K5 or (5) C5 A()G(2 )

  • K(5) C5 A(5) G (2)

  • % K(5)C1 + 2 + (2) A(9) + 1 G1

  • P3 + 3 or (3 + 3)A 3 + 3 G (3)


16.

Which of the following is true for the function disease in family A and B? of labelled parts in the diagram below?

  • A - Blind spot - Image is formed here

  • - Fovea - No visual activity is present

  • C - Cornea - Helps to hold lens in place

  • D - Iris - Visible coloured portion of eye


17.

Which of the following is true for the labelled parts in the figure below?

  • A - Z- line - located at centre of I - band

  • B - Thin filament - occurs in A- band only

  • C - Thick filament - confined to I- band

  • - H- zone - located at centre of M - Line


18.

Which of the following is correctly matched without exception in regard to plant classification?

  • Family - Poaceae - ae

  • Division - Pteridophyta - phyta

  • Class - Bryopsida - sida

  • Genus - Solanum - um


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19.

What is the oxidation state of iron in haemoglobin?

  • Fe-

  • Fe2+

  • Fe3+

  • Fe4+


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20.

In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

  • Organisms Category Exception
    Penicillium, Aspergillus, Mucor Fungi Mucor
  • Organisms Category Fungi
    Cacti, Venus flytrap Plants Cacti
  • Organisms Category Exception
    Ascaris, Nereis, Wuchereria Aschelminthes Nereis
  • Organisms Category Exception
    Scorpion, Prawn, Anopheles Arthropoda Prawn


C.

Organisms Category Exception
Ascaris, Nereis, Wuchereria Aschelminthes Nereis

Nereis comes under Phylum- Annelida. It is a unisexual annelid and Heteronereis is the reproductive phase. It is also known as clam worm or sand worm or rag worm. It is usually found on the sea shore in the tubular burrows. Except peristomium and last anal segment, each segment bears laterally one pair of fleshy projections, parapodia which is used in swimming.


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