List of practice Questions

In sickle cell anaemia, the RBCs become half moon shaped due to ______________ deficiency.
During the development of embryo sac, a megaspore mother cell undergoes ______________ meiosis and ______________ mitosis respectively.
The endodermal cells show Casparian strips made up of ______________.
Which one of the following is NOT purely a nitrogenous base?
The fungi are separated from kingdom plantae on the basis of ______________.
Entry of a pollen tube in an ovule through its micropyle during fertilization is called ______________.
Genome of a prokaryotic cell is ______________.
Most important photosynthetic pigments in higher plants are ______________.
One of the factors which may help to differentiate chronic kidney disease from acute kidney injury is ______________.
Control and co-ordination of head movements in response to visual and auditory stimuli is carried out by ______________.
A population is a group of all ______________ in a given time.
An elephant produces six young ones in its life span of 100 years. If this continues, then in 750 years, 19 million elephants will be produced. It is NOT possible in reality mainly due to ______________.
Single turn of Krebs cycle yields ______________.
During phase of cell enlargement in plant growth, solute concentration favours ______________.
Right atrium : coronary sinus :: left atrium : ______________.
Mucilaginous disc is useful for attachment with the substratum in the members of ______________ lichen.
After birth, infant receives antibodies IgA through colostrum from mother. This is an example of ______________ immunity.
The pCO$_2$ of inspired air is ______________ mm Hg during external respiration.
Identify the WRONG match of the crop variety and its resistance to pest or disease.
Gross primary productivity of an ecosystem is estimated in terms of ______________.
The first germinal layer formed in human embryo is ______________.
Silage supplemented with oil cakes, vitamins etc. makes up good feed for rearing breeds of ______________.
The anticoagulant ‘heparin’ is secreted by ______________.
Epihydrophily is observed in which of the following plants?
Neuroglia cells show following characters EXCEPT ______________.