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Objective Questions

Latest CUET PG Plant Biotechnology Exam Question (Objective Questions), MCQ in English

Subjects : Plant Biotechnology

Question Bank CUET PG Plant Biotechnology Exam - English
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Plant Biotechnology

Question 1Single Answer
Fat contain
  1. A
    3.9 Kcal. of energy per gm
  2. B
    9.3 Kcal. of energy per gm
  3. C
    9.3 Kcal. of energy per molecule
  4. D
    7.3 Kcal. of energy per gm
Question 2Single Answer
The proteins found only in animal body are
  1. A
    Glutelins
  2. B
    Albumins
  3. C
    Scleroproteins
  4. D
    All of the above
Question 3Single Answer
The sulphur containing amino acids are
  1. A
    Lysine
  2. B
    Alanine & valine
  3. C
    Arginine
  4. D
    Cysteine & methionine
Question 4Single Answer
Zwitter ion contain
  1. A
    +ve charge
  2. B
    -ve charge
  3. C
    Little or no net charge
  4. D
    More +ve charge and less -ve charge
Question 5Single Answer
The water soluble vitamins are
  1. A
    Vitamin A and D
  2. B
    Vitamin B - complex and Vitamin C
  3. C
    Vitamin E and K
  4. D
    All of the above
Question 6Single Answer
Gallic acid is chief components of
  1. A
    Condensed tannins
  2. B
    Hydrolysable tannins
  3. C
    Both (a) and (b)
  4. D
    None of the above
Question 7Single Answer
The flavonoids synthesized in plants are by
  1. A
    Mevaloni acid pathway
  2. B
    Malonic acid pathway
  3. C
    Shikmic acid pathway
  4. D
    Both (a) & (b)
Question 8Single Answer
The correct general formula of the carbohydrate is
  1. A
    Cn (H2O)n
  2. B
    C2n (H2,O)n
  3. C
    Cn (H2,O)2n
  4. D
    None of the above
Question 9Single Answer
Raffinose and gentianose are the example of
  1. A
    Disaccharides
  2. B
    Trisaccharides
  3. C
    Polysaccharides
  4. D
    Monosaccharides
Question 10Single Answer
If the optically active compound rotates the plane polarised light to right side, it is called as.........................and is denote by...............
  1. A
    Dextrorotary and is denoted by small italic letter d or + sigh
  2. B
    Levorotary and is denoted by small italic letter l or - sigh
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 11Single Answer
If the optically active compound rotates the plane polarised light to left side, it is called as................................and is denote by..................
  1. A
    Dextrorotary and is denoted by small italic letter d or + sigh
  2. B
    Levorotary and is denoted by small italic letter 1 or - sigh
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 12Single Answer
If the highest numbered asymmetric carbon atom of the sugar molecule contains -OH group on right-hand side in open chain structure, the sugar is known as
  1. A
    L-sugar
  2. B
    D-sugar
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 13Single Answer
If the highest numbered asymmetric carbon atom of the sugar molecule contains -OH group on left-hand side in open chain structure, the sugar is known as
  1. A
    L-sugar
  2. B
    D-sugar
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 14Single Answer
Starch, insulin and glycogen are the
  1. A
    Oligosaccharide
  2. B
    Storage polysaccharide
  3. C
    Structural polysaccharide
  4. D
    None of the above
Question 15Single Answer
Which one of the following is not a reducing sugar
  1. A
    Glucose
  2. B
    Ribose
  3. C
    Maltose
  4. D
    Sucrose
Question 16Single Answer
Term protein was first coined by
  1. A
    Berzelius in 1838
  2. B
    Bloor in 1943
  3. C
    W. Kuhne in 1929
  4. D
    None of the above
Question 17Single Answer
The size of protein is depends upon the
  1. A
    Nature of solubility
  2. B
    No. of amino acids taking part in the synthesis
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 18Single Answer
Which of the following is the smallest protein
  1. A
    Insulin
  2. B
    Globulin
  3. C
    Prolamins
  4. D
    None of the above
Question 19Single Answer
Plant proteins differ from animal proteins in shortage of
  1. A
    Nitrogen
  2. B
    Oxygen
  3. C
    Carbon
  4. D
    Sulphur
Question 20Single Answer
Ricin in castor & Leucosin in cereals are the water soluble ........ protein
  1. A
    Globulins
  2. B
    Albumins
  3. C
    Glutelins
  4. D
    Prolamins
Question 21Single Answer
Which of the following proteins are soluble in 80% alcohol (ethanol) and not soluble in water or salt solutions
  1. A
    Prolamins
  2. B
    Gliadin in wheat & Zein in maize
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 22Single Answer
Which of the following proteins are not soluble in water but soluble in salt solution
  1. A
    Tuberin & legumin
  2. B
    Globulins
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 23Single Answer
The protein leucosin is found in
  1. A
    Most of the cereals
  2. B
    Mustard
  3. C
    Spices
  4. D
    None of the above
Question 24Single Answer
Term lipid was coined by
  1. A
    Berzelius in 1838
  2. B
    Kuhne in 1929
  3. C
    German biochemist Bloor (1943)
  4. D
    None of the above
Question 25Single Answer
Lipoprotein is the important gradient of
  1. A
    Cell membrane
  2. B
    Mitochondria
  3. C
    Golgi bodies
  4. D
    None of the above
Question 26Single Answer
Fatty acids are
  1. A
    Saturated
  2. B
    Unsaturated
  3. C
    Either saturated or unsaturated
  4. D
    None of the above
Question 27Single Answer
Majority of the fatty acids are synthesized by...........except linoleic acid, linolenic acid & arachidonic acid
  1. A
    Plant cell
  2. B
    Human body cell
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 28Single Answer
Lauric acid found in laurel kennel oil having the.......... number of carbon atom in the their chemical formula
  1. A
    12
  2. B
    16
  3. C
    18
  4. D
    20
Question 29Single Answer
Number of carbon atoms in Palmitic acid are
  1. A
    12
  2. B
    16
  3. C
    18
  4. D
    20
Question 30Single Answer
Number of carbon atoms in stearic acid are
  1. A
    12
  2. B
    16
  3. C
    18
  4. D
    20
Question 31Single Answer
Number of carbon atom in arachidic acid are
  1. A
    12
  2. B
    16
  3. C
    18
  4. D
    20
Question 32Single Answer
Which of the following is the source of arachidic acid
  1. A
    Peanut oil
  2. B
    Cocoa & butter
  3. C
    Animal fat & palm oil
  4. D
    Laurel kenel oil
Question 33Single Answer
Which of the following is the source of stearic acid
  1. A
    Peanut oil
  2. B
    Cocoa & butter
  3. C
    Animal fat & palm oil
  4. D
    Laurel kenel oil
Question 34Single Answer
Which of the following is the source of palmitic acid
  1. A
    Peanut oil
  2. B
    Cocoa & butter
  3. C
    Animal fat & palm oil
  4. D
    Laurel kennel oil
Question 35Single Answer
Which of the following is the source of lauric acid
  1. A
    Peanut oil
  2. B
    Cocoa & butter
  3. C
    Animal fat & palm oil
  4. D
    Laurel kennel oil
Question 36Single Answer
Pentose phosphate pathway (PPP) is also known as
  1. A
    Warburg-Dickens pathway
  2. B
    Direct oxidation pathway
  3. C
    Hexose monophosphate shunt
  4. D
    All of the above
Question 37Single Answer
Glycolysis is a
  1. A
    Greek word
  2. B
    Latin word
  3. C
    German world
  4. D
    None of the above
Question 38Single Answer
Pyruvate is a
  1. A
    Triose sugar
  2. B
    Tetrose sugar
  3. C
    Pentose sugar
  4. D
    None of the above
Question 39Single Answer
In the mechanism of glycolysis, the formation of glucose-6-phosphate is also known as
  1. A
    Robinson's ester
  2. B
    Newberg's ester
  3. C
    Harden & Young's ester
  4. D
    None of the above
Question 40Single Answer
In the mechanism of glycolysis, the formation of fructose-6-phosphate is also known as
  1. A
    Robinson's ester
  2. B
    Newberg's ester
  3. C
    Harden & Young's ester
  4. D
    None of the above
Question 41Single Answer
In the mechanism of glycolysis, the formation of fructose 1, 6-bi-phosphate is also known as
  1. A
    Robinson's ester
  2. B
    Newberg's ester
  3. C
    Harden & Young's ester
  4. D
    None of the above
Question 42Single Answer
Which one is not a reducing sugar
  1. A
    Glucose
  2. B
    Fructose
  3. C
    Maltose
  4. D
    Sucrose
Question 43Single Answer
Which one is not an oligosaccharide
  1. A
    Insulin
  2. B
    Raffinose
  3. C
    Lactose
  4. D
    Sucrose
Question 44Single Answer
Which one is a polysaccharide
  1. A
    Raffinose
  2. B
    Lactose
  3. C
    Sucrose
  4. D
    Insulin
Question 45Single Answer
The aldose sugar (glucose) is optically active and
  1. A
    Dextrorotatory
  2. B
    Laevorotatory
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 46Single Answer
The ketose sugar (Fructose) is optically active and
  1. A
    Dextrorotatory
  2. B
    Laevorotatory
  3. C
    Both (a) & (b)
  4. D
    None of the above
Question 47Single Answer
Which one of the following is mucopolysaccharide
  1. A
    Chitin
  2. B
    Pectin
  3. C
    Lecithin
  4. D
    Cellulose
Question 48Single Answer
The enzyme cellulose synthase are found in which part of the cell
  1. A
    Nucleoplasm
  2. B
    Cytoplasm
  3. C
    Golgi body
  4. D
    Plasma membrane
Question 49Single Answer
In plants callose are found in
  1. A
    Sieve tubes of phloem
  2. B
    Parenchyma
  3. C
    Cambium ring
  4. D
    Xylem
Question 50Single Answer
Water (H2O) is oxide of hydrogen in which the two hydrogen atoms are jointed to oxygen atom by covalent bond forming an angle of
  1. A
    103°
  2. B
    104°
  3. C
    105°
  4. D
    106°
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