List of top Questions asked in NEET (UG)- 2005

Which of the following statements regarding enzyme inhibition is correct

Which one of the following makes use of RNA as a template to synthesize DNA ?

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?

Potometer works on the principle of :

A patient is generally advised to specially, consume more meat, lentils, milk and eggs in diet only when he suffers from:

Epithelial cells of the intestine involved in food absorption have on their surface :

Identify the correctly matched pair :

Carbohydrates most abundant biomolecules on earth, are produced by :

In a set of reactions, acetic acid yielded a product D.
CH₃COOH \(\xrightarrow[]{SOCl_2}\) A \(\xrightarrow[Anhyd.AlCl_3]{Benzene}\) B \(\xrightarrow[]{HCN}\) C \(\xrightarrow[]{HOH}\) D
The structure of D would be:

The rate of reaction between two reactants A and B decreases by a factor of 4,if the concentration of reactant B is doubled. The order of this reaction with respect to reactant B is:

Three crops that contribute maximum to global food grain production are :

Genes for cytoplasmic male sterility in plants are generally located in

Match items in column-I with those in column-II.

	Column-I		Column-II
A	Peritrichous flagellation	1	Ginkgo
B	Living fossil	2	Macrocystes
C	Rhizophore	3	Escherichia coli
D	Smallest flowering plant	4	Selaginella
E	Largest perennial alga	5	Wolffia

Select the correct answer from the following : Codes :

The name of Norman Borlaug is associated with :

In which one pair both the plants can be vegetatively propagated by leaf pieces ?

More than 70% of world's freshwater is contained in :

Which one of the following characters is not typical of the class-Mammalia ?

Auxospores and hormocysts are formed, respectively, by :

At a particular locus, frequency of 'A' allele is 0.6 and that of 'a' is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium ?

Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these:

Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution ?

The ability of the Venus flytrap to capture insects is due to:

Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter ?

Ectophloic siphonostele is found in:

E.coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because :