F.Sc Biology Chapter No.14 Transport FIRST YEAR ONLINE MCQ

The pressure exerted by protoplast against the cell wall is called:

Haemoglobin molecule in most cases, does not have ?-chain in it, instead F-chain is present in;

Which layer in arteries can withstand higher blood pressure during ventricular systole?

The path way which is of greatest importance for both water and solutes:

The minerals moves down the concentration gradient through
plasmodesmata, the process is:

At capillaries the materials are exchanged t the blood and body tissues by which of the followings.

Uptake of minerals by root cell is:

The water molecules move along the cell walls of xylem vessels due to imbibition, this_________ was suggested by:

_______ of epidermal cells of root is / are fully permeable to H₂0:

Which one of the following organs can be called a sort of blood bank

Lymph nodes are present in which of the following regions in humans:

Heart of man is:

In frog the oxygenated blood is carried to left auricle by

Closely associated with root pressure is phenomenon called:

Hydathodes are associated with

Which of the following is true about mammals?

Bean seed shaped cells in plants are:

In earthworm the dorsal blood vessel acts as_____ vessel in the first 13 segments

Stroke is related to:

Passive immunity is developed by injecting:

The ions involved in opening and closing, of stomata are

About 54% of total transpiration takes place through

The osmotic pressure of blood Is maintained by

The conduction of impulses from SA node moves to

In earthworm the sub neural vessel communicate with which one of tho following

A rye plant less than 1m tall has 14 million branch roots of combined length of______:

One complete heart beat lasts for about;

The tricuspid and bicuspid valves close and the sound made is

Which of the following has a double circuit heart?

At night when the stomata are almost closed, transpiration usually occurs through

The valves preent in the walls of veins prevent the back flow of blood are

Water potential of pure water is:

Shrinkage of protoplast due to exosmosis of water is:

Which of the following has a double circuit heart?

7000 - 8000 per mm³ of bloo(d) Which components of blood cells are?

Femoral artery supply blood to:

Water reaches xylem in root by which path?

How many type of Transpiration you have studied?

The process that most likely/directly enables a root hair cell to absorb minerals by active transport and enables a muscle cellato contract is :

Hepatic portal system connects

Osmotic (solute) potential is always:

The cation required in coagulation is:

How many layers are present In wall of the heart of man:

One cubic millimeter of blood contains how many white blood cells:

Temperature causes colosure of stomata

Cytoplasmic strands that extend through pores in adjacent cell wall are:

It is not a phagocyte cell:

The loss of water through Hydathodes in leaves is called:

The destruction of antigens is caused by

The pressure flow theory was first proposed in 1930 by

Maximum water potential is of:

The valves present in the veins are;

Which of the following can be attributed to arthroscierosis?

Which of the following is NOT true of guard cells?

Lymph most closely resemble with:

The xylem sap of tall plants which is responsible for development of root pressure is under_______instead of pressure.

Three chambered hearts is present in:

The normal pH of human blood is

Femoral artery supply blood to:

Blood flows at a rate of 400-500 mm per second in which of the following.

The pressure exerted by the protoplast against the cell wall:

Which of the following is true about mammals?

The uncontrolled production of white blood cells result in:

In a human, which of the following vessels is the blood pressure the highest

Each sieve tube member is associated by one or more:

A serum containing antibodies is called

Lenticular transpiration accounts for:

The type of white blood cells which destroys phagocytosis is:

The shrinkage of protoplast of a cell

Pace maker is situated in heart:

The cells which supply ATP and proteins to sieve tubes are:

The blood cells and cell like bodies are about how much by volume of the blood in normal human:

The white blood cells that give rise to macrophages which destroy larger particles by phagoytosis are

Liver receives blood from digestive system through

Active transport is a selective process and is_______ dependent

Hb Is found dissolved In plasma of

Mycorrhizae are present in ______ families of higher plants.

Antibodies are secreted by

In cockroach heart lies in

Type of blood cells which stay from 10-20 hours in the blood then enter tissues and become macrophages are called as:

The growth rate of plant is reduced due to

In one of the following the blood pressure is low

Heparin is

Haeme portion of Haemoglobin contains an atom of

The lenticels are

The condition cause narrowing and hardening of arteries is called:

A loose mass of oval or irregular cells with many intercellular spaces present in the bark of stem is a

Veins are the blood vessels which transport blood from body cells towards

If pressure greater than atmospheric pressure is applied to pure water or a solution, its water potential.

The renal vein brings the impure blood from

Ascent of sap involves:

Surose present in honey dew is_______:

The volume of dry seeds may increase upto 200 times after absorbing water by

The blood vessel that transports blood from body cells toward heart Is a

The leucocytes that are about twice the size of red cells, possess a bllobed nucleus and are 2% of white cells on average are

Blood coagulation is prevented by:

Lenticels are present in:

The change in pH of guard cells is brought about by the:

The arterioles divide repeatedly to form a dense network of microscopic
vessels between the cells of a tissue. These final branches are

Pore like sites in the cork layer of bark at which gaseous exchanve can take place are

Which of the following has falling blood pressure in them?

The blood is filtered at

Which of the following has no muscular wall?

In plants cells how many factors determine water potential.

A substance that inhibits blood clotting is:

The plasma proteins constitute percent by weight of plasma:

How many RBCs are formed and destroyed every second:

The femoral and sciatic arteries arise from;

One cubic millimeter of human male blood contains RBC:

The normal pH of human blood is:

Hardning of the artries due to deposition of cholesterol is called

Air Space between Mesophyll Cells of a leaf comprises____of total volume of leaf:

The process of movement of material within a cell due to involvement of contractile proteins:

When blood moves through the branching arteries and arterioles, the rate of blood flow tends to

The upward movement of sap through the xylem is;

The roots of Prosopis tress are _________ meters deep.

The ions involved in the openiiig and closing of stomata are:

Which is included in agranulocytes?

At ______the protoplast has just ceased to exert any pressure against cell wall:

The blood vessels with walls that are only one cell thick are

A clot of blood contains:

According to pressure flow theory, which of the following serves as skin?

In an undamaged blood vessel, conversion of prothrombin to thrombin is prevented by

Loss of liquid water in strawberry plant is called:

Artherosclerosis is mainly because of deposition of which of the following?

The blood groups in man were discovered by:

In maize leaf the stomata are present in

Cells which are directly involved in transport of sugars and other organic substances:

Double circuit heart is a characteristic of:

B - lymphocytes are responsible for the production of:

Which one of the following can narrow the diameter of a capillary?

Which one of the following can act as a source in 2nd growing season?

Casparian strips are present in cells of root:

The only cells of the leaf epidermis that contain chloroplasts are

Pressure potential in cellular system is due to

Artherosclerosis is a major condition leading to

What is an antigen?

Transpirational pull can carry xylem sap with high speed of in tall trees:

Which disorder is related to abnormal hemoglobin?

During photosynthesis the Rubisco acts as

In cockroach the heart is

By volume of the blood, in a normal person, plasma constitutes about:

One complete heartbeat lasts for about:

_____is incorrect about guard cells:

Diseases like pneumonia, tuberculosis and emphysema lead to one of following.

The pace maker of human heart is

At high altitude RBCs of human blood will

The colour of lymph is:

Which one is not the layer of wall of heart?

Closed circulatory system is present in:

Electrical impulses in heart asises from:

Attraction between water-water molecules in xylem tissues is called:

The difference between systolic and diastolic blood pressure diminishes and finally disappears in?

An antibody molecule consists of how many polypeptide chains

In the embryonic life the red blood cells are formed in:

In conduction of impulse from the S.A mode to (A)V node, there is a delay of about.

The uncontrolled production of leucocytes result in:

Passive theories of transport include:

The caspariin stripi are present in

Solid chain like column of HO molecules in xylem does not break during creeping up due to

The total transpiration takes place through cuticle is:

Lymph______ most closely resembles with

Guftation in plants can be explained on the basis of

Blood provides immunity by:

Lymph vessels are united to form

One of the following is not cells but are fragments of large cells called megakaryocytes:

Cuticle make up of________ show least rate of cuticular transpiration

Theory providing explanation of flow of water and minerals upwards from roots to leaves is provided by:

Cardiac muscle can be distinguished from other muscle fibres because cardiac muscle.

The dew drops on the tip of the Grass Leaves involves the phenomenon:

One complete Heart beat consists of one systole and one diastole, and last for about

Blood provides immunity with the help of which one of the followings:

Which of the following solution will cause plasniolysis in a cell?

Bleeding phenomenon is not shown by:

The process not involved during ascent of sap in xylem:

The lymph most closely resembles with

Which one of the following blood roups belongs to the category of universal recipient:

By active transport roots mostly take up tho materials:

Which of the following can be attributed to atherosclerosis:

One of the following hormones stops active transport of K ions to the guard cells

Thalassaemia is a genetically transmitted abnormality of

A substance produce by basophils that inhibits blood clotting is:

Granulocytes are formed in the

How many layers are present in wall of the heart of man:

Antibodies are manufactured by

A vessel carrying deoxygenated blood from heart and sends to lungs Is

The blood minus all cell and fibrinogen is called:

How many hypothesis explain the opening & closing of stomata?

All of following have closed blood circulatory system except:

A low level of carbon dioxide favours

Number of RBC in an adult man per mm3 of blood is:

The exchange and con(c) of minerals and ions in the blood and body cells is disturbed in

Which type of tissue form internal linning of blood vessels

The heart is enclosed in a double membranous sac called:

Rate of transpiration will be higher in

Discharge of blood from blood vessel is called as:

Match heart attack with one of the followings:

What is an antigen?

Open blood circulatory system is not found in:

Leucocytes involved in immune response by producing antibodies is called as :

Guttation occurs in plants through:

Which of the following environmental factors affect the rate of transpiration?

Both erythroctes and leucosytes are formed In

In higher vertebrates SA node helps in

Spleen is

A foreign substance, often a protein which stimulate the formation of an antibody Is

According to pressure flow theory, which of the following serves as sink?

About how Much blood is in the circulatory system of a normal person:

Lenticels are present in_________of stem of some plants:

Blood platelets are fragments of large cells called

If osmotic potential of cell A and B at equilibrium is -1700 kPa and Ws of cell B is -1400 KPa then what will be the Ws of cell A:

starch-sugar hypothesis explaining the opening and closing of was suggested by

Which of the following cells store surplus food?

Single circuit heart is present in

Antibodies are manufactured in

A condition of high blood pressure is known as:

The formation of thrombus is called

Rate of blood flow Is 400-500 mm/second,

The phenomenon associated with root pressure is:

Systole causes:

Most of the proteins in human plasma are synthesized in:

The composition of materials flowing in phloem foregoing has been studied by using:

In human males one cubic millimeter of blood contains about how much red blood cells

The systolic blood pressure in a normal individual is

In dorsiventral leaves the stomata are present

Thrambus is also known as:

Ascent of sap involves.

lmbibitions is absorption of water by:

A clot of blood contains:

One of the following is considered to act as multisensorys hydraulic valves and respond to stimuli:

When a flaccid cell is placed in distilled H₂O .then cell will gain its original form. This process is called as:

Heart of crocodile is

The wave of blood, pressure or pulse due to heartbeat can be detected in which of the following:

The heart of reptiles and all other amniotes practically function as

Which of the following can move across a semipermeable membrane?

Which hypothesis explains opening & closing of stomata?

Which of the following processes cause substances to- move across membranes without the expenditure of-cellular energy?

A muscular wall is abscent in

The volume of dry seed may increase up to 200 times by:

To which factor transpiration is inversely proportionally:

Leaf having stomata both on lower and upper epidermis:

Movement of water and minerals along______is negligible:

The number of which of the following increases during allergic diseases

Sieve tube cells and companion cells communicate with each other through:

At 40 - 45 C, the stomata are: