Which elements are abundantly found in living organism in comparison to earth crust?
To analyze chemical composition of living tissue we solubilise them in
Percentage of oxygen in human body is
All the carbon compounds that we get from living tissues can be called
Select the incorrect compounds that we get from living tissues can be called:
[A] Elemental analysis of living tissues gives elemental composition of living tissue
[B] Analysis of chemical compound of living tissue gives idea of organic and inorganic constituent of living tissue
[C] Weight of small amount of living fresh tissue is known as wet weight
[D] Acid soluble pool contain lipids, nucleic acid, polysaccharide only
The biomolecule whose weight is less than__ dalton (Da) is referred to as biomicromolecule.
Which of the following is not a macromolecule?
[A] Nucleic acid
Lipids are extracted with acid insoluble fraction because
[A] its molecular weight is less than 800 Da
[B] it form vesicle or micelle which are not water soluble
[C] it is polymer
[D] it is not a polymer
Select the incorrect matching for component % in living cell:
[A] Water – 70-90%
[B] Proteins – 10-15%
[C] Carbohydrate – 2%
[D] Nucleic Acid – 5-7%
………. of the total cell mass is formed by ions.
Monomeric unit of cellulose is
Monomeric unit of inulin is
Which of the following is homopolysaccharide?
Starch forms helical………. structure that can hold………. molecule and gives blue colour,
[A] primary, I2
[B] secondary, I2
[C] tertiary, I2
[D] quaternary, I2
Select the incorrect statement from the following:
[A] Cellulose does not contain complex helices
[B] Cellulose does not give colour with I2
[C] Cotton fibre, plant cell wall are made up of cellulose
[D] Cellulose is heteropolysaccharide
Which of the following is amino-sugar?
Chitin is present in
[A] exoskeleton of arthropods
[B] cell wall of fungus
[C] seate of earthworm
In glycogen, which kind of linkage is found between adjacent glucose molecule?
Which of the following is incorrect about glycogen?
[A] It is a stored form of glucose in animals
[B] In glycogen, right end is reducing and left end is non-reducing
[C] It is a branched polymer of glucose
[D] It is a stored form of glucose in plants