FSC Biology Book MCQs Chapter 2 Class 11





MDCAT Entry test 2023 contains most of the Biology MCQs. FSC Part 1 bio book MCQs. HSSC Biology questions MCQs. Solved Chapterwise Biology MCQs for first-year 11 class MCQs. Second-year and first-year bio textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

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Biology Ch 2 Class 11 BIOLOGICAL MOLECULES

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Roots of a plant show

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Haemoglobin exhibits a:

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The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

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When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:

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Which of the following substance is most favorable to form structural component of biological membranes?

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Which of the following is the constituent of RNA molecule?

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Proteoglycan in cartilages (which consists of polysaccharides) are also attached to:

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Human cells maintain concentration gradients across their plasma membranes, such that there is a high sodium concentration outside the cell and a high potassium concentration inside the cell.

Suppose that within the cell membrane are sodium leak channels or carrier proteins. These channels would allow sodium to:

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Which chemical component has the same % in bacterial as well as the mammalian cell?

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Ptyalin can convert starch into:

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Among the most abundant biomolecules, _____ is the most abundant one on earth.

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Reactive parts of an amino acid are:

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Which one are most complex sugar:

 

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Which of the following amino acids has single codon?

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The melting point of unsaturated fatty acids:

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Which bond provides stability to complex carbohydrate molecules?

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The cell wall of most of the bacteria have a unique macromolecule called_______.

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Which chemical component has the greatest contribution in the total mammalian cell weight?

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All of the following structures are proteinous in nature except:

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Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

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A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:

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Mono-saccharides have a general formula represented by:

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According to the fluid mosaic model of cell membrane, which zone is embedded inside?

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Carbon atom is

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Antibodies are

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Water acts as a universal solvent because of:

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Which of the following processes is the reverse of condensation?

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Which type of protein structure contains the three dimensional structure?

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Cn(H2O)n. is a general formula of :

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Most simple amino acid is:

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The helical structure of a protein is kept by the formation of hydrogen bond between amino acid molecules which are:

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The property of water due to which it works as a temperature stabilizer and hence protect living organisms from sudden thermal changes is:

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Ribose sugar that is the main part of RNA is a type of _____ sugar.

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Which of the following basic structural level of proteins is indicated by an association of two alpha and two beta chains in the haemoglobin molecule?

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Which one is the basic element of organic compounds ?

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The bond formed when two or more atoms complete their electron shells by sharing electrons is called:

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Which statement is true about an aqueous medium:

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Glucose and fructose join together through _____ to form sucrose.

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Peptide bonds are formed between:

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he molecule used by most of the animals for long-term energy storage is:

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Which of the statement is not true for compounds like glycoprotein and glycolipids?

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Lipids store double the amount of energy as compared to carbohydrates because of:

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The specific heat capacity of water is the number of calories required to raise the temperature of water from _____ ˚C is 1.0.

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Lecithin is formed by combining phosphatidic acid with ______:

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Which of the following carbohydrate is tasteless?

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Reactions in which simple substances are combined to form complex substances are called:

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NAD is an example of:

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Which of these is not a disaccharide?

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Cell wall is made up of:

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Movement of ions and large molecules with the help of protein molecules in and out of the cell is called _________.

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% of water in brain cells is

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Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

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The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called:

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The disease caused by nutritional deficiency is:

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5 different amino acids, numbered 1, 2, 3, 4, and 5, below from the following sequence in the path of a polypeptide chain:

1-2-3-4-2-5-3

Messenger RNA codon, which correspond to the amino acids, are:
amino acid 1 UGU

amino acid 2 GAU

amino acid 3 CAC

amino acid 4 UAG

amino acid 5 AAG

Which one of the following DNA bases sequences could provide the code for the given section of the polypeptide?

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In an isotonic solution there would be:

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Which one of the following is found in both messenger RNA and DNA of a mammalian cell?

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58 / 67

Ribosomes are composed of almost an equal amount of:

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Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

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Glucose and fructose join together through _____ to form sucrose.

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Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

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Each β – chain of hemoglobin molecules contains ____ amino acids.

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Which of the following has the ability to develop ester linkage with OH group of Pentose sugar?

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When the hydroxyl group, -OH, of the carboxyl group, -COOH, of an amino acid is linked with the hydrogen of the amino group, -NH2, of another amino acid, ______ is released and a peptide bond is formed.

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Specific heat of vaporization of water is:

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Which one is an organic compound?

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Which of the following is an unsaturated fatty acid?

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7 responses to “FSC Biology Book MCQs Chapter 2 Class 11”

  1. Melting point increase with the increase in double bond but here mcqs 19 of biological molecules is wrong correct it

  2. Uet ecat for biomedical engineering ki tiyari Yahan se ho jaye gi?please uet ke 2021 or 2022 ke papers upload Karen

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