AIPMT 2009

In barley stem vascular bundles are -

The annular and spirally thickened conducting
elements generally develop in the protoxylem
when the root or stem is -

Anatomically fairly old dicotyledonous root is
distinguished from the dicotyledonous stem by :

Palisade parenchyma is absent in leaves of -

Which one of the following pairs of animals comprises 'jawless fishes'?

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

Tiger is not a resident in which one of the
following National Park ?

Which one of the following has maximum
genetic diversity in India ?

Phylogenetic system of classification is based on

Which of the following is a symbiotic nitrogen fixer?

T.O. Diener discovered a

Which one is the wrong pairing for the disease and its causal organism?

Oxygenic photosynthesis occurs in

Polyethylene glycol method is used for :

Transgenic plants are the ones -

What is antisense technology?

What is true about Bt toxin ?

The bacterium Bacillus thuringiensis is widely
used in contemporary biology as -

Somaclones are obtained by : -

Which one of the following is commonly used in
transfer of foreign DNA into crop plants ?

Globulins contained in human blood plasma are primarily involved in

There is no DNA in

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Compared to blood our lymph has

What is vital capacity of our lungs?

The haemoglobin of a human foetus

Synapsis occurs between

Given below is a schematic break-up of the phases/stages of cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle?

Middle lamella is composed mainly of :

Plasmodesmata are :

Cytoskeleton is made up of :

A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is

A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. what is this yellow colour due to?

Which one of the following pairs of food components in humans reaches the stomach totally undigested?

When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from

Which one of the following statements is true regarding digestion and absorption of food in humans?

Which one of the following types organisms
occupy more than one trophic level in a pond
ecosystem ?

The correct sequence of plants in hydrosere is :

Step taken by the Government of India to control
air pollution include :

Chipko movement was launched for the
protection of -

Global agreement in specific control strategies to
reduce the release of ozone depleting substances,
was adopted by :

Biochemical Oxygen Demand (BOD) in a river
water :

DDT residues are rapidly passed through food
chain causing biomagnification because DDT is :

Montreal protocol aims at :

Peripatus is a connecting link between :

In the case of peppered moth (Biston betularia)
the black-coloured from became dominant over
the light-coloured form in England during
industrial revolution. This is an example of -

Uric acid is the chief nitrogenous component of the excretory products of

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

Which one of the following statement is
correct ?