In prawn ,male genital pores are located on
Which of the following structures in fetal circulation functions to deliver blood, which is high in waste, to the placenta?
Body cavity of Hydra is:
Higher plants differ from animals in
Basophils, eosinophils, and neutrophils are all:
All of the following conditions impair coagulation except:
Emergency water is stored in
High levels of toxins in the blood may indicate a problem with the function of the
The latest trend in plant disease control is
Germinating barley seeds are used in the production of
The parent stock of wheat crop responsible for green revolution in India was imported from
Santonine is obtained from
Ground nut oil is stored in
Oak silkworm is
Conversion of organic nitrogenous compounds into ammonium compounds is called
An ecosystem is an interacting system of
Receptors for protein hormones are located
Which of the following ecosystem has the highest primary productivity?
Correct hormonal sequence in the case of menstruation is
Waston and Crick shared the Nobel Prize for DNA structure with
A genetic disease in many Africans which reduces the oxygen uptake by RBC is known as :
If red eyed (dominant) fly is mated with white eyed (recessive) fly, the ratio of red to white eyed in F₂ generation would be
Coralloid roots of Cycas are -
Superiority of hybrid over parent is :
The technique used to study of body metabolism and internal tissue is called
Sex chromosomes are also known as
An efferent lymphatic vessel is carrying fluid _____.
The efferent lymphatic vessel commences from the lymph sinuses of the medullary portion of the lymph nodes and leave the lymph nodes either to veins or greater nodes
Between the osseous and membranous labyrinths is present a fluid called
Typhlosole found in Pheretima occurs in
Which area is not drained by the thoracic duct?
Ductus reuniens connects
One of the following vertebrates are characterised by air sacs
Name of the branch of science dealing with mollusca:
Minerals absorbed by roots move to the leaf through
Nonconventional source of energy is
Which one results in energy wastage
The process in which water is split during photosynthesis is
Which one is used for defoliation of forest trees?
According to their modes of nutrition, the fungi are classified into
Which one of the following substances plays an important role in biochemical defence of host plants?
Which of the following is used in root formation on stem cuttings?
Nitrogen fixation occurs in
Monoclonal antibodies are produced by
Ozone hole is caused by
The amount of carbon dioxide in, atmosphere after pollution, will be
Bath-sponge belongs to the class
The preparation of sperm, before penetration into ovum, is called
Parthenogenesis is common in
The inner most layer of anther is tapetum whose function is
Which of the following is the source of respiration ?
R.Q. can vary due to
The product of the reaction between Hb and O2 is
Thick underground stem growing parallel to soil surface is
Which of the following is an example of internal respiration?
Nephridia of Pheretima are
In Earthworm, genital papillae occur in segments
Highest protein content is -
The actual pressure with which water enters into the cell is called
The source of antidiuretic hormone (ADH) is the
When comparing the blood concentrations of urea and glucose in the hepatic portal vein to those in the renal vein, one finds that in the hepatic Portal vein