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

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

• 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

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.

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

• $\mathrm{Br}\oplus ⚥\mathrm{Epi} {\mathrm{K}}_5$ _{or (5)} $\stackrel{⏜}{C_{5 }A}$_($\infty$)${\underline{\mathrm{G}}}_{(2 \infty )}$

• $\oplus ⚥{\mathrm{K}}_{\left(5\right)} {\stackrel{⏜}{{\mathrm{C}}_5 \mathrm{A}}}_{\left(5\right)} \underline{\mathrm{G}}{ }_{\left(2\right)}$

• %$⚥ {\mathrm{K}}_{\left(5\right)}{\mathrm{C}}_{1 + 2 + \left(2\right)} {\mathrm{A}}_{\left(9\right) + 1 }{\underline{\mathrm{G}}}_1$

• $\oplus ⚥\stackrel{⏜}{{\mathrm{P}}_{3 + 3 \mathrm{or} (3 + 3)}\mathrm{A}}{ }_{3 + 3 }\underline{\mathrm{G}}{ }_{\left(3\right)}$

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

• B - Fovea - No visual activity is present

• C - Cornea - Helps to hold lens in place

• D - Iris - Visible coloured portion of eye

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

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

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

What is the oxidation state of iron in haemoglobin?

• Fe^-

• Fe²⁺

• Fe³⁺

• Fe⁴⁺

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