NEET 2019

What is the direction of movement of sugars in phloem?

Which of the statements given below is not true about formation of Annual Rings in trees?

Phloem in gymnosperms lacks :

Consider following features:
(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics

Match the following organisms with their respective characteristics:

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Which one of the following is not a method of in situ conservation of biodiversity?

Which of the following statement is incorrect?

Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus :

Which of the following statements is incorrect?

Concanavalin A is :

Consider the following statements :
(A) Coenzyme of metal ion that is tightly bound to enzyme protein is called prosthetic group.
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme
Select the correct ...

Which of the following glucose transporters is insulin-dependent?

DNA precipitation out of a mixture of bimolecules can be achieved by treatment with :

Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the
incorrect statement.

What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end
of diastole is 100 mL and at the end of ventricular systole is 50 mL ?

Match the Column-I with Column-II :

Select the correct option.

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will
be his Expiratory Capacity if the Residual Volume is 1200 mL?

Cells in G0 phase :

The correct sequence of phases of cell cycle is :

Which of the following statements is not correct?

Which of the following pair of organelles does not contains DNA?

Which of the following statements regarding mitochondria is incorrect?

The concept of ''Omnis cellula-e cellula'' regarding cell division was first proposed by :

How does steroid hormone influence the cellular activities?

Match the following hormones with the respective disease :

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It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be
applied to artificially induce flowering in pineapple plants throughout the year to increase yield?

Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.

Match the following structures with their respective location in organs :

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Which of the following is the most important cause for animals and plants being driven to extinction?

Which of the following ecological pyramids is generally inverted?

Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?

Which of these following methods is the most suitable for disposal of nuclear waste?

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for :

Which one of the following equipments is essentially required for growing microbes on a large scale, for
industrial production of enzymes?

Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from
respiratory disorder causing wheezing due to :

Which of the following pairs of gases is mainly responsible for green house effect?

Match the hominids with their correct brain size :

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In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight
between 3 to 3.3 kg survive whereas 99% of the infants born with weights from 2 to 2.5 kg or 4.5 to 5kg die.
Which type of selection proces...

Variations caused by mutation, as proposed by Hugo de Vries, are :

Use of an artificial kindney during hemodialysis may result in :
(a) Nitrogenous waste build-up in the body
(b) Non –elimination of excess potassium ions
(c) Reduced absorption of calcium ions from gastro-intestinal tract
(d) Reduced RBC pr...

Which of the following factors is responsible for the formation of concentrated urine?

Which of the following immune responses is responsible for rejection of kidney graft?

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to
impart immunity to the newborn infants because it contains :

Which of the following sexually transmitted diseases is not completely curable ?

Drug called ‘Heroin’ is synthesized by :

Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for
typhoid.

Select the correct sequence for transport of sperm cells in male reproductive system :

Extrusion of second polar body from egg nucleus occurs :

Select the correct option :

Which of the following muscular disorders is inherited?