NEET UG – 2015 (Biology)

Which one of the following matches is correct?

Read the following five statements (A to E) and select the option with all correct statements:

1. Mosses and Lichens are the first organisms to colonise a bare rock.
2. Seleginella is a homosporous pteridophyte.
3. Coralloid roots in Cycas have VAM.
4. Main plant body in bryophytes is gametophytic, whereas in pteridopytes it is sporophytic.
5. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

In which of the following gametophyte is not independent free living?

Which one of the following statements in wrong?

The guts of cow and buffalo possess:

Male gametes are flagellated in:

Vascular bundles in monocotyledons are considered closed because:

A major characteristic of the monocot root is the presence of:

Keel is the characteristic feature of flower of:

Perigynous flowers are found in:

Leaves become modified into spines in:

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:

The chromosomes in which centromere is situated close to one end are:

Select the correct matching in the following pairs:

True nucleus is absent in:

Which one of the following is not an inclusion body found in prokaryotes?

Transpiration and root pressure cause water to rise in plants by:

Minerals known to be required in large amounts for plant growth include:

What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?

In a ring girdled plant:

Typical growth curve in plants is:

Which one gives the most valid and recent explanation for stomatal movements?

The hilum is a scar on the:

Which one of the following may require pollinators, but is genetically similar to autogamy?

Which one of the following statements is not true?

Transmission tissue is characteristic feature of:

In ginger vegetative propagation occurs through:

Which of the following are the important floral rewards to the animal pollinators?

How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

Which is the most common mechanism of genetic variation in the population of a sexually-reproducing organism?

A technique of micropropagation is:

The movement of a gene from one linkage group to another is called:

Multiple alleles are present:

Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?

In Bt cotton, the Bt toxin present in plant tissue as pro – toxin is converted into active toxin due to:

The crops engineered for glyphosate are resistant/tolerant to:

DNA is not present in:

Which of the following enhances or induces fusion of protoplasts?

The UN Conference of Parties on climate change in the year 2011 was held in:

Vertical distribution of different species occupying different levels in a biotic community is known as:

In which of the following both pairs have correct combination?

Secondary Succession takes places on/in:

The mass of living material at a trophic level at a particular time is called:

In an ecosystem the rate of production of organic matter during photosynthesis is termed as:

Which of the following characteristics is mainly responsible for diversification of insects on land?

Which of the following endroparasities of humans does show viviparity ?

Which of the following represents the correct combination without any exception?

Which of the following animals is not viviparous?

Erythropoiesis starts in:

The terga, sterna and pleura of cockroach body are joined by:

Nuclear envelope is derivative of :

Cytochromes are found in :

Which one of the following statements is incorrect ?

Select the correct option

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has:

Which of the following statements is not correct?

Gastric juice of infants contains :

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?

Blood pressure in the mammalian aorta is maximum during :

Which one of the following is correct?

Removal of proximal convoluted tubule from the nephron will result in:

Sliding filament theory can be best explained as :

Glenoid cavity articulates:

Which of the following regions of the brain is incorrectly paired with its function?

A gymnast is able to balance his body upside down even in the total darkness because of:

A chemical signal that has both endocrine and neural roles is:

Which of the following does not favour the formation of large quantities of dilute urine ?

Capacitation refers to changes in the :

Which of these is not an important component of initiation of parturition in humans ?

Which of the following viruses is not transferred through semen of an infected male?

Which of the following cells during gametogenesis is normally diploid?

Hysterectomy is surgical removal of:

Which of the following is not a sexually transmitted disease?

An abnormal human baby with ‘XXX’ sex chromosomes was born due to :

Alleles are :

A man with blood group ‘A’ marries a woman with blood group ‘B’ .What are all the possible blood groups of their offsprings ?

Gene regulation governing lactose operon of E.coli that involves the lac I gene Product is :

In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cystosine. The percentage of the other three bases expected to be present in this DNA are:

Which of the following had the smallest brain capacity?

A population will not exist in Hardy-Weinberg equilibrium if:

Match each disease with its correct type of vaccine

HIV that causes AIDS, first starts destroying:

The active form of Entamoeba histolytica feeds upon:

High value of BOD (Biochemical Oxygen Demand) indicates that:

Most animals are tree dwellers in a :

Cry preservation of gametes of threatened species in viable and fertile condition can be referred to as:

Rachel Carson’s famous book “Silent Spring” is related to :

Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratosphere ozone ?