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CHAPTER NO 13

BIOCHEMISTRY

Encircle the most appropriate answer among the following options


1          It is responsible for the transmission of genetic information:

(a) Nucleic acid

(b) Acetic acid

(c) carbonic acid

(d) oxalic acid


2          Carbohydrates are synthesized by plants through:

(a) photosynthesis

(b) respiration

(c) oxidation

(d) breathing


3          Carbohydrates are molecules:

(a) macromolecules

(b) micro molecules

(c) mili molecule

(d) mono molecule


4          The glucose is further polymerized to form:

(a) starch & cellulose

(b) starch & protein

(c) lipids & carbohydrates

(d) carbohydrates


5          Monosaccharides are sugars:

(a) simplest

(b) complex

(c) normal

(d) none of these


6          The important monosaccharides are:

(a) hexoses

(b) trioses

(c) dextrose

(d) fructose


7          Carbohydrates are

(a) crystalline solid

(b) amorphous solid

(c) semisolid

(d) both a & b


8          Monosaccharides consists of no. of carbon atoms:

(a) 3 to 9

(b) 3 to 6

(c) 4 to 8

(d) 6 to 8


9          Carbohydrates are in water:

(a) soluble

(b) insoluble

(c) moderately soluble

(d) sparingly soluble


10        Monosaccharides cannot be :

(a) hydrolyzed

(b) evaporated

(c) condensed

(d) hydrolyzed


11        Maltose a disaccharides of two molecules:

(a) glucose

(b) starch

(c) fructose

(d) sacrose


12        Nature of polysaccharides is:

(a) non-reducing

(b) reducing

(c) oxidizing

(a) non oxidizing


13        Polysaccharides is _ __ solid:

(a) amorphous

(b) crystalline

(c) dual nature

(d) soft solid


14        Source of simple sugar is:

(a) honey

(b) meat

(c) fish

(d) beaf


15        It is pure cellular:

(a) cotton

(b) silk

(c) ebonite

(d) nylon


16        Starch is found in: …

(a) cereal

(b) honey

(c) potato

(d) pulse


17        Carbohydrates is directly used by:

(a) muscles

(b) bones

(c) cartilages

(d) heart


18        Carbohydrates regulate the amount of _ in our body:

(a) sugar level

(b) energy level

(c) urine level

(d) growth level


19        Energy provided by carbohydrate is :

(a) 17 K joule

(b) 18 K joule ‘

(c) 34 K Joule

(d) 436 K joule


20        Dextrose solution contain calories of energy:

(a) 170

(b) 180

(c) 350

(d) 10


21        Amino acids are linked with each other through:

(a) peptide linkage

(b) covalent linkage

(c) hydrogen bond

(d) ionic bond


22        Percentage of protein in dry weight of cell is:

(a) 50%

(b) 90 %

(c) 60%

(d) 40%


23        Amino acids are of protein:

(a) building block

(b) non-building block

(c) cement

(d) bonds


24        Protein are essential for the formation of:

(a) protoplasm.

(b) cytoplasm .

(c) ectoplasm

(d) endoplasm


25        These are proteins:

(a) hides

(b) hooves

(c) bones

(d) caudals


26        It is found in bones:

(a) proteins

(b) lipids

(c) carbohydrates

(d) organic acids


27        Gelatin is used in:

(a) bakery items

(b) plastic

(c) glass items

(d) gems


28        Lipids are made of:

(a) fatly acids

(b) ascorbic acid

(c) fatty acid

(d) amino acids


29        Fats exists in:

(a) semi solids

(b) Amorphous solids

(c) solid

(d) liquid


30        Oil exists in:

(a) solids

(b) Semi-solid

(c) amorphous solid

(d) liquid


31        F├íts and oils are food:

(a) moderate energy

(b) high energy

(c) low energy

(d) zero energy


32        It is poor conductor:

(a) fats

(b) lipids

(c) carbohydrates

(d) proteins


33        Butter and fats are obtained from:

(a) milk

(b) eggs:

(c) meat

(d) fish


34        Plants synthesize:

(a) oil

(b) ghee

(c) custard

(d) yogurt


35        Marine source of oil is:

(a) Solomon.

(b) tiger

(c) snake

(d) salamander


36        Solomon and Wales oil is used as:

(a) Bar. B. Q.

(b) medicine.

(c) food

(d) lemonoid


37        Margarine is produced by adding – to vegetable oil:

(a) nitrogen

(b) chlorine

(c) hydrogen

(d) carbon


38        Esters of butyric acids have smell:

(a) pungent :

(b) rotten egg

(c) foul

(d) fruity


39        Ethyl butanoate smells like: –

(a) apple

(b) pineapple

(c) cherry

(d) guava


40        _is essential component living cells:

(a) organic acid

(b) oleic acid

(c) nucleic acid

(d) acetic acid


41        DNA structure was discovered in :

(a) 1953

(b) 1919

(c) 1983

(d) 1913


42        RNA stands for:

(a) mefenamic acid

(b) steric acid

(c) ribonucleic acid

(d) nucleic acid


43        RNA role as:

(a) synthesizer.

(b) messenger

(c) transporter

(d) all above


44        vitamins were discovered in:

(a) 1912

(b) 1914

(c) 1932

(d) 1924


45        4 Accessories growth factors later named vitamins by:

(a) Drudge

(b) Loren

(c) Funk

(d) De Duve


46        Fat soluble vitamins are:

(a) A, F, D, C

(b) B, C

(c) A, B, C

(d) K, D, E


47        Funk discovered vitamin:

(a) Bi(thiamin).

(b) C (creatinin)

(c) B,(sucrose)

(d) urea


48        Deficiency of vitamin D cause:

(a) rabies

(b) rickets

(c) kidney stone

(d) Arthritis


49        Disease of deficiency of vitamin A is:

(a) deafness .

(b) eye inflammation

(c) baldness

(d) rickets


50        Vitamin C is also called:

(a) nucleic acid

(b) garlic acid

(c) Ascorbic acid

(d) maleic acid