The valves present in the veins are;

Which of the following is / are involved in pulmonary circulation

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

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

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

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

Water potential of pure water is:

Ascent of sap involves.

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

Maximum water potential is of:

Electrical impulses in heart asises from:

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

Hepatic portal system connects

Thalassaemia is a genetically transmitted abnormality of

Blood platelets are fragments of large cells called

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

Loss of liquid water in strawberry plant is called:

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

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

lmbibitions is absorption of water by:

Which of the following has no muscular wall?

A substance produce by basophils that inhibits blood clotting is:

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

The mineral element In chlorophyll and haemoglobin are respectively

Most of the proteins in human plasma are synthesized in:

Closed circulatory system is present in:

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

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

Osmotic (solute) potential is always:

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

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

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

Which of the following can move across a semipermeable membrane?

Surose present in honey dew is_______:

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

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

Hydathodes are associated with

After a fatty meal how much fat globules may make up the lymph:

At 40 - 45 C, the stomata are:

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

Movement of water and minerals along______is negligible:

How many RBCs are formed and destroyed every second:

The cation required in coagulation is:

The type of white blood cells which destroys phagocytosis is:

Which of the following has falling blood pressure in them?

Discharge of blood from blood vessel is called as:

The growth rate of plant is reduced due to

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

The shrinkage of protoplast of a cell

Bleeding phenomenon is not shown by:

Heart of crocodile is

The ions involved in opening and closing, of stomata are

Systole causes:

Which one of the following is not a significant point of transpiration:

Guttation occurs in plants through:

A substance that inhibits blood clotting is:

A condition of high blood pressure is known as:

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

The loss of water through Hydathodes in leaves is called:

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

Blood provides immunity by:

In cockroach the heart is

Water reaches xylem in root by which path?

The pressure exerted by the protoplast against the cell wall:

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

The pace maker of human heart is

Femoral artery supply blood to:

In higher vertebrates SA node helps in

What is an antigen?

Both erythroctes and leucosytes are formed In

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

The only cells of the leaf epidermis that contain chloroplasts are

The systolic blood pressure in a normal individual is

One cubic millimeter of human male blood contains RBC:

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

How many type of Transpiration you have studied?

The process not involved during ascent of sap in xylem:

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

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

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

At high altitude RBCs of human blood will

The blood groups in man were discovered by:

Lenticels are present in:

In dorsiventral leaves the stomata are present

Hardning of the artries due to deposition of cholesterol is called

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

Which disorder is related to abnormal hemoglobin?

Leaf having stomata both on lower and upper epidermis:

B - lymphocytes are responsible for the production of:

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

An antibody molecule consists of how many polypeptide chains

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

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

The femoral and sciatic arteries arise from;

A serum containing antibodies is called

Match heart attack with one of the followings:

Mycorrhizae are present in ______ families of higher plants.

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

Which is included in agranulocytes?

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

Shrinkage of protoplast due to exosmosis of water is:

Blood coagulation is prevented by:

The lymph most closely resembles with

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

Which type of tissue form internal linning of blood vessels

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:

The condition cause narrowing and hardening of arteries is called:

Which hypothesis explains opening & closing of stomata?

Lymph______ most closely resembles with

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

Active transport is a selective process and is_______ dependent

Lenticular transpiration accounts for:

Double circuit heart is a characteristic of:

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

Which of the following can be attributed to atherosclerosis:

Which of the following is true about mammals?

Which one is not the layer of wall of heart?

The osmotic pressure of blood Is maintained by

The blood is filtered at

Haeme portion of Haemoglobin contains an atom of

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

The renal vein brings the impure blood from

Passive immunity is developed by injecting:

Cuticle make up of________ show least rate of cuticular transpiration

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

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

The pressure flow theory was first proposed in 1930 by

The uncontrolled production of leucocytes result in:

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

Open blood circulatory system is not found in:

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

One complete heartbeat lasts for about:

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

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

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

A clot of blood contains:

Which of the following can be attributed to arthroscierosis?

By active transport roots mostly take up tho materials:

Guftation in plants can be explained on the basis of

The heart is enclosed in a double membranous sac called:

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

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

The caspariin stripi are present in

About 54% of total transpiration takes place through

In frog the oxygenated blood is carried to left auricle by

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

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

Bean seed shaped cells in plants are:

In plants cells how many factors determine water potential.

Granulocytes are formed in the

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

It is not a phagocyte cell:

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

In one of the following the blood pressure is low

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

Rate of transpiration will be higher in

The uncontrolled production of white blood cells result in:

Ascent of sap involves:

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

Heart of man is:

The normal pH of human blood is:

Which of the following has a double circuit heart?

Lymph vessels are united to form

The conduction of impulses from SA node moves to

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

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

Antibodies are manufactured by

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

The destruction of antigens is caused by

A clot of blood contains:

Femoral artery supply blood to:

The normal pH of human blood is

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

Which of the following is NOT true of guard cells?

The total transpiration takes place through cuticle is:

Three chambered hearts is present in:

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

Thrambus is also known as:

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

Antibodies are secreted by

Single circuit heart is present in

Liver receives blood from digestive system through

Artherosclerosis is a major condition leading to

The heart of reptiles and all other amniotes practically function as

The tricuspid and bicuspid valves close and the sound made is

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

During photosynthesis the Rubisco acts as

Lymph most closely resemble with:

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

The blood minus all cell and fibrinogen is called:

Each sieve tube member is associated by one or more:

Hb Is found dissolved In plasma of

Antibodies are manufactured in

A low level of carbon dioxide favours

The roots of Prosopis tress are _________ meters deep.

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

Uptake of minerals by root cell is:

The colour of lymph is:

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

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

The phenomenon associated with root pressure is:

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

All of following have closed blood circulatory system except:

Heparin is

The upward movement of sap through the xylem is;

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

The plasma proteins constitute percent by weight of plasma:

A muscular wall is abscent in

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

The formation of thrombus is called

_____is incorrect about guard cells:

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

Pace maker is situated in heart:

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

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

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

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

One complete heart beat lasts for about;

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

To which factor transpiration is inversely proportionally:

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

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

In which of the following the every cell is in direct contact with a capillary

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

Which of the following cells store surplus food?

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

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

The number of which of the following increases during allergic diseases

The cells or water secreting glands in some grasses are:

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

The lenticels are

Closely associated with root pressure is phenomenon called:

In cockroach heart lies in

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:

Pressure potential in cellular system is due to

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

How many hypothesis explain the opening & closing of stomata?

Which of the following is true about mammals?

Temperature causes colosure of stomata

Spleen is

Casparian strips are present in cells of root:

Which of the following has a double circuit heart?

In maize leaf the stomata are present in

In embryonic life red blood cells are formed in the