ai test 3 Questions

Human RBCs are about in diameter.

Given below are two statements: Statement I: Bacterial cells may be motile or non-motile. Statement II: Bacteria show a range in the number and arrangement of flagella. In the light of the above statements, choose the most appropriate answer from the

In chloroplast, chlorophyll pigments are present in;

Depending upon the ________, membrane proteins can be classified as integral or peripheral.

The plastid which stores oils is known as;

Which structure performs the function of respiration in bacteria?

Tonoplast in plants is important for;

ER divides the intracellular space into two distinct compartments, luminal ______ and extra luminal ______ compartments.

Bacillus is a;

Microtubules, microfilaments and intermediate filaments are constituents of;

Given below are two statements: Statement I: Glycocalyx differs in composition and thickness among different bacteria. Statement II: Glycocalyx could be a loose sheath called the capsule in some, while in others it may be thick and tough, called the

Select the incorrect statement w.r.t cilia and flagella in eukaryotes.

The cell organelle in animals which is not bound by any membrane is;

The nuclear pores facilitate;

Mycoplasma lacks;

The nuclear matrix or nucleoplasm contains;

Identify the structure from the following that is not common for both chloroplasts and mitochondria.

Osmosis is the movement of;

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Bacteria can be classified into two groups on the basis of their response to the staining procedure developed by Gram. Reason R: Bacter

Which of the following is incorrect matched?

Eukaryotes have , while prokaryotes have ribosomes in cytoplasm. Here "S" explains: A. Sedimentation coefficient B. Measure of density C. Measure of size D. Number of subunits Select the correct option.

In cyanobacteria, pigments containing structure is;

Given below are two statements: Statement I: Plastids are found in all plant cells and in euglenoides. Statement II: Plastids are easily observed under the microscope as they are large. In the light of the above statements, choose the most appropriat

Which of the following is an inclusion body?

Identify the layer mainly composed of calcium pectate which holds or glues the different neighbouring plant cells together.

In prokaryotes, resistance to antibiotics is conferred by;

In plant cells, the vacuoles can occupy _________ of the volume of the cell.

The concept of “Omnis cellula-e cellula” was first proposed by;

The endomembrane system includes all the following structures, except;

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Plasma membrane is selectively permeable to some molecules present on either side of it. Reason R: Neutral solutes may move across the

Prokaryotic cells are generally and multiply more than the eukaryotic cells. and , respectively, are;

Reserve materials are stored in the cytoplasm in the form of inclusion bodies generally in;

Animal cells contain centrosome which helps in;

Compounds A, B and C have same empirical formula . If molecular formula of compound - A, B and C is x, y and z respectively then select correct statements. A. x may be B. z may be C. y may be

Given below are two statements: Statement-I: Atoms are neither created nor destroyed in a chemical reaction. Statement-II: Compounds are formed when atoms of different elements combine in a fixed ratio. In the light of the above statements, choose th

Given below are two statements: Statement-I: 1g and 1g have equal number of atoms. Statement-II: Mass of 1 mole of an atom is equal to its gram-atomic mass. In the light of the above statements, choose the most appropriate answer from the options giv

A solution contains 4 mol of ethanol and 6 mol of water. The mole fraction of ethanol in the solution is;

How many molecules does 1 mole of carbon dioxide contain?

The volumes of hydrogen & oxygen when combined to form bear a simple ratio of 2:1. This is explained by;

A mixture of gases contains and gases in the ratio of 1: 4 (w/w). What is the molar ratio of two gases in the mixture?

Number of atoms present in 16 amu of He is;

How many moles of electron weigh one kilogram? ( and kg)

One gram molecule of benzene is equal to;

Scientific notation for the number 0.0001345 is

Formation of CO and illustrates the law of;

A measured temperature on Fahrenheit scale is 200°F. What will this reading be on the Celsius scale?

The prefix for multiple is;

With increase of temperature, which of these changes?

Avagadro's number is the number of molecules present in

The maximum amount of that can be obtained on mixing 0.5 mol with 1 mol is