AIPMT 2012 Prelims

Closed vascular bundles lack

The common bottle cork is a product of

Water containing cavities in vascular bundles are found in

Gymnosperms are also called soft wood spermatophytes because they lack

Companion cells are closely associated with

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

Pheretima and its close relatives derive nourishment from

The highest number of species in the world
is represented by

Which one of the following areas in India, is a hotspot of biodiversity?

Which statement is wrong for viruses?

Nuclear membrane is absent in

Maximum nutritional diversity is found in the group

The cyanobacteria are also referred to as

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

The most abundant prokaryotes helpful to humans in making curd ftom milk and in production of antibiotics are the ones categorised as

The given diagrammatic representation shows one of the caregories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component ''X'' in it.

Which one is the most abundant protein in the animal world?

Which one out of A - D given below correctly represents the structural formula of the basic amino acid?

Which one of the following is wrong statement?

Which one of the following is a case of wrong matching ?

Consumption of which one of the following foods can prevent the kind of blindness associated with
vitamin 'A' deficiency

Which part would be most suitable for raising virus free plants for microporpagation ?

The figure below is the diagrammatic respesentation o the E.Coli vector pBR 322. Which one of the
given options correctly identifies its certain component(s) ?

Which one is a true statement regarding DNA polymerase used in PCR ?

A single strand of nucleic acid tagged with a radioactive molecule is called

PCR and Restriction Fragment Length Polymorphism are the methods for

For transformation, micro - particles coated with DNA to be bombarded with gene are made up of

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donar?

Which one of the following is the correct statement for respiration in humans?

People who have migrated from the planes to an area adjoining Rohtang Pass about six months back

During gamete formation, the enzyme recombinase participates during

Given below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?

Select the the correct statement from the following regarding cell membrane

Which one of the following does not differ in E.coli and Chlamydomonas ?

What is true about ribosomes ?

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?

What is correct to say about the hormone action in humans?

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?

Anxiety and eating spicy food together in an otherwise normal human, may lead to

Which one of the following is not a functional unit of an ecosystem?

Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?

The upright pyramid of number is absent in

Identify the possible link "A" in the following food chain :
Plant → insect → frog →"A"→ Eagle

Giiven below is an imaginary pyramid of numbers. What could be one of the possibilities about certain
organisms at some of the different levels ?

Measuring biochemical oxygen demand (BOD) is a method used for

In an area where DDT had been used extensively, the population of birds declined significantly
because :

Which one of the following is a wrong statement?

What was the most significant trend in the evolution of modern man (Homo sapiens) from his
ancestors ?

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with
short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a
lumbering gait and stooped posture was ...