Excretory organs of cockroach and other insects are
Glycolysis can not occur in the absence of
E.R. of rapidly dividing cells is
Cardiac output/min during normal working in man is about
Which of the following organelles, is located near the nucleus and contain a collection of flattened membrane bound cisternae ?
Out of peroxisomes, lysosomes and mitochondria, single membrane covering occurs in
Sugar is extracted from sugarcane and also from the crops of
Which animal has become extinct recently?
Which of the following is present in maximum amount in atmosphere?
Occurrence of higher number of endemic species in South America and Australia is due to
Transcription involves synthesis of
Which is sequenced during study of phylogeny?
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
A cross between AaBb and aabb yields
Khorana et al synthesised RNA with copolymer of UGUGUGUGUG... It produced a peptide with alternate cysteine and valine. The codons for the two are
Which amino acid is substituted in sickle cell anaemia?
Which would result in haemolysis in foetus ?
Cells of immune system that cause pore formation in the antigen are
In sickle cell anaemia, death occurs when lethal genes are present in
Blood of AB group cannot be given to B group patient because
Segments of antigen that are recognised by antibody are
Identify the correct matched pair
Annual rings are distinct in plants growing in
Parasite plants e.g. Viscum absorb water and minerals from host by
Radioactive tracer studies with 14C have shown that
In which one of the following pathogens do the cells of promycelium after the germination of teleutospore produce infection hyphae instead of basidiospores?
Which ones produce androgenic haploids in anther cultures
The tissue taking part in translocation of food is
The undesirable sounds, which disturb our environment, are called
Ultraviolet radiations from sunlight causes a reaction that produces
In malaria, shivering occurs when :
The most important source of soil pollution of soil is
An illusion of depth of the object can be made by
The menstrual cycle can be divided into three continuous phases. Starting from the first day of the cycle, the correct order is
Concept of genetic drift was introduced by
Most modern theory of evolution is
Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that
Increasing the levels of aldosterone in the blood would result in
increasing aldosterone means that more sodium ultimately winds up in the blood, activating thirst mechanisms which increases ECF(extracellular fluid) volume and therefore increases blood pressure. (if you raise blood volume, you raise blood pressure)
Which of the following is not a function of the kidneys?