11th Class Biology MCQs Chapter No.2 with Answers download

One of followings in not pyrimidine

The backbone of DNA is made by:

Haemoglobin is a:

Which one of the following proteins consists of four chains, two alpha arid two beta chains

The basic elements of organic compound is

Keratin is an example of fibrous.protein present in:

The percentage of DNA in a bacterial cell is

Monosaccharides which are rare in nature and occur in some bacteria:

One of the followings is not a globular protein.

The %age.amount of mRNA in cells Is about

Which of 'the following is not 'a. nucleotide or its type

Waxes provide water barrier for:

The most abundant organic compounds in mamalian cell :

MoSt proteins are made.of many types of amino acids.

The alpha V helix is kept in place by formation of which of following ,bonds among its amino acids

Globular proteins differ from fibrous proteins in

Fructose is

A kind of chemical link between anabolism and catabolism:

The heterogeneous group of compounds related to fatty acids is called. 7

The percentage of Ribosomal RNA in the cell is

Which protein is not abundantly found in plasma of blood

Which one of the following component is make up of 2 subunits:

Melting point of butyric acid is :

In one of the following conditions the Haemoglobin fails to carry any or sufficient oxygen, hence leading to death of the patient.

Starches with iodine give colour:

is not a keto sugay

Amino acids are linked to each other by:

The specific heat of vaporization of water is

Now we know that there are over proteins in the human body

Melting point of.palmitic acid is

The suffix that denotes a sugar is

The carbohydrate found in exoskeleton of. arthropods / insects like honey

Movement of chromosomes during anaphase of cell division occur due to

Which of the following kinds, of atom do not occur in carbohydrates

Keratin is an example of fibrous proteins'present in

Cotton is the pure form of

In each turn of secondary structure of protein amino acids found are

How many carbons are present to form thr pyranoes ring

For the synthesis of 10 gm of glucose, plants use solar energy of about

What is chemical nature of Uridine :

Stability of secondary structure of proteins is maintained due to:

The lipids, found in exoskeleton.. of insects

The compounds widespread in bacteria, animals and plants

In bacterial cells the water percentage is :

0.08% glucose is present in our blood. in form:

Carbon number range of waxes isV

The unsaturated fatty acid is .

Haemoglobin is an example of which functional class of proteins

Which one of the following is.not a chemical component.of waxes?

The sequence.of amino acids in a polypeptide Chain is determined by

Which one of following Is not a Lipid?

The molecule of tRNA consists of_

How many fatty acids are required to form tryglycerides

is an important phospholipid:

The percentage of glucose in our blood is normally

Phosphatidylcholine is one of the common:

Which. of the following amounts of bases are pore likely to be found in an organism

Life of an organism depends on ceaseless chemical activities in its

The simplest amino acid is

Faty food can cause

The steroidS are classified at

Amount of DNA in sperm cell of Carp fish is s picogram

The relative'amount of Adenine,in DNA of sheep is

Globular protein differs from fibrous proteins in

A compound formed by the combination of a baSe and pentose sugar is

Pick the best statement

Ribosomal RNA (rRNA) is synthesized and stored in :

Photosynthesis & muscle contraction can described in terms of

Conjugated histone proteins are:

Chemical compnents abundant in prokaryotic cell as compare to eukaryotic cell

Nucleic acid were first isolated in 1870 by '

Glycogen is found abundantly in

Keratin is the protein of

The most important electrolyte in our body

Helical shape of a' polypeptide is due to presence within molecule

Which of the folloWing atoms do not occur in carbohydrates:

Amino- acids are arranged in proper sequence during protein synthesis

Water has high heat capacity because of:

Which one Is correct for mRNA

In free state, glucose is present in

ATP is a:

Most of the monosaccharides in asolution are in

A basic knowledge of biochemistry is essential for understanding

The most abundant carbohydrate in nature is:

Formula of choline is

Movement of organs and organisms, and movement of chromosomes

Endothermal process in living organisms is

The potential source of energy for celluar activities is which bond

In phosphatid c acid how many fatty acids are present

Peptide bond is a

The amino acids are mainly diffeient froth

The tail of phospholipids is

The linkage between the hydroxyl group of carboxyl group of one amino

Fats are,

Which fatty acid is more soluble in organic solvents than palmitic acid:

C3H6O3 is known as

The first scientist who determined the sequence of amino acids in a protein molecule was

The protein which will not disorganized with change in physical and

Which of the following is not a fibrous protein

The Specific hear of vaporization of water is

The mRNA, of the total cell RNA is about:

___ play an important role in regulation of gene expression :

It acts as machinery for protein synthesis :

Enzymes are chemically

Which cells contain less DNA

The basic framework of all types of membrances are

The potential source of chemical energy for cellular activites

Evaporation of only out of 1Litre of H20, lowers the temperature of

Starch is richly present in

The covalent bond between two monosaccharides is called

In. sucrose glycosidic linkage is

Pentose sugr + nitrogen base

Which of the following is not a function of proteins

The linkage of 02 (oxygen) in pyranose pyran ) ring is between :

Of the total RNA's in a cell, mRNA comprises-

For the formation of deoxyribonucleoticle one oxygen is removed from OH

Which poly saccharide is stored in muscles

Which statement is true about silk protein?

AIDS is caused by

Human tissues have 85% water in cells of :

Secondary structure is most important in

Length of mRNA is variable and depends upon:

Which .one of following is not a polysaccharide?

The nuclecitides of each polynucleotide chain of DNA are held together by

Which one of the following is a non-reducing sugar :