Zoology

Question 1

Based on number of amino acids and carboxyl groups there are

Answer 1

Acidic glutamic
basic lysine and neutral( valine )amino acid
Aromatic amino acids are tyrosine phenylalanine
And tryptophan

Question 2

R group of fatty acid

Answer 2

A methyl - ch3
Ethyl -c2h5

Question 3

Palmitic acid have 16 carbon
Then Arachidonic

Answer 3

20 carbon atoms

Question 4

Fatty acids are

Answer 4

Saturated without double bond
Unsaturated with 2or more c=c bond

Question 5

Lipids possess both

Answer 5

Glycerol and fatty acids

Question 6

Glycerides in lipids also called fats and oils based on

Answer 6

Melting point
Oils have lower melting point example gingely oil

Question 7

Lipids containing phosphorus
And they are found in

Answer 7

Phospholipid
Found in cell membrane example Lecithin

Question 8

The nitrogen bases are attached to a sugar

Answer 8

Nucleosides
If a phosphate group is found estherfied to a sugar they are nucleotides

Question 9

RNA and DNA consist of

Answer 9

nucleotides only

Question 10

Secondary metabolites

Answer 10

Plant fungal microbial cells flavonides rubber essential oils antibiotics coloured pigments scents gums spices

Question 11

Secondary metabolites useful to human welfare

Answer 11

Rubber drugs spices scents pigments

Question 12

Molecular weight less than 1000 Dalton are refer to as

Answer 12

Bio micro molecules

Question 13

biomolecule which found in acid insoluble fraction are called

Answer 13

Biomacromolecules

Question 14

Linear Chains of amino acids linked by peptide bonds

Answer 14

Proteins

Question 15

Protein and two functions

Answer 15

Dietary proteins are the source of essential amino acids
Therefore amino acids are essential or non essential

Question 16

Most abundant protein in animals world

Answer 16

Collagen

Question 17

Rubisco

Answer 17

Most abundant protein in biosphere

Question 18

Long chain of sugar

Answer 18

Polysaccharides

Question 19

Polysaccharide consists of only one type of monosaccharide

Answer 19

Cellulose a homopolymer

Question 20

Store house of energy in plant tissue
Energy source of animals

Answer 20

Starch
Glycogen

Question 21

Polymer of fructose

Answer 21

Inulin

Question 22

•Starch can hold I2 molecules in helical portion
The reaction product is which colour
•Which is the thing that cellulose does not contains
•Example

Answer 22

•Blue colour
• cellulose does not contain complex helices and hence cannot hold i2
• cellulose is cotton fibre

Question 23

building blocks of Complex polysaccharides

Answer 23

Amino sugar (N- acetyl galactosamine, glucosamine)

Question 24

Components of nucleic acid

Answer 24

Heterocyclic compound
Monosaccharide and phosphoric acid or phosphate

Question 25

Adult human haemoglobin consists of how many subunits Which is this

Answer 25

Adult hemoglobin consist of force sub units 2 Of these are identical to each other The two sub units are of a type and two subunits are b type together constitute the haemoglobin

Question 26

In a protein amino acid is linked by which Bond With elimination of water

Answer 26

Peptide bond

Question 27

In a polysaccharide the individual monosaccharides are linked by which Bond This bond is also found by dehydration

Answer 27

Glycosidic Bond

Question 28

In a nucleic acid a phosphate mostly links ______ to the _____ of succeeding nucleotide The bond between phosphate and hydroxyl group of sugar is called

Answer 28

Three carbon of one sugar of one nucleotide 5 carbon of the sugar of succeed nucleotide Phosphodiester bond

Question 29

Substrate concentration on the half is called

Answer 29

Michaelis menten constant

Question 30

What is competitive inhibitor and inhibition

Answer 30

•When the binding of chemical shuts of enzyme activity the process is inhibition • when inhibitor closely resembles the substrate in a molecular structure and inhibits the activity of enzyme this is competitive inhibitor

Question 31

Metal iron for the enzyme carboxy peptidase

Answer 31

Zinc

Question 32

Commonly used body Floluid for transport of material

Answer 32

Blood

Question 33

Which also help blood transfer of substances

Answer 33

Lymph

Question 34

What circulate water from their surroundings Through their body cavities to facilitate the cells exchange these substances

Answer 34

Sponges and coelenterates

Question 35

Plasma without clotting factor

Answer 35

Serum

Question 36

Formed Almonds constitute nearly which percent of total blood volume

Answer 36

45

Question 37

Features of RBC

Answer 37

Count 5 to 5.5 million In red bone marrow Average lifespan 120 days Destroyed in spleen Hemoglobin gives red colour to rbc

Question 38

Features of platelets

Answer 38

Average lifespan 7 days Formed by the fragmentation of Mega karyocites Colourless Non nucleated Function is blood clotting

Question 39

Special feature of basophil

Answer 39

Secrete histamine Serotonin Heparin • cause inflammation

Question 40

RBC are formed in the red bone marrow in adult through a process

Answer 40

Erythropoiesis

Question 41

Lymphocytes 3 property

Answer 41

Hey include T and B lymphocytes Both B and T Lymphocytes are responsible for immune responses of body Beasles secret antibodies t cells are involved in cell mediated immunity

Question 42

What means kidney shape nucleus And there are phagocytic cells 6-8% of total rbc

Answer 42

Monocytes

Question 43

Reduction of platelet number leads to

Answer 43

Clotting disorders which will be lead to excessive loss of blood from the body

Question 44

One interactive antigen and antibody mix together

Answer 44

It causes clumping of RBC

Question 45

The network of thread were dead and damaged formed elements of blood are trapped

Answer 45

Fibrins

Question 46

SA nod properties

Answer 46

Can generate action potential without external stimulate right upper corner of the right Atrium

Question 47

AV nod

Answer 47

Lower left corner of right Atrium

Question 48

Cardiac cycle

Answer 48

Sequential events which are cyclically repeated including relaxation and contraction of both atria and ventricle