Recent questions tagged 2003

Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as :-

asked Jul 24, 2018 by pady_1

0 answers

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits :

asked Jul 24, 2018 by pady_1

1 answer

Which endangered animal is the source of the world's finest, lightest, warmest and most expensive wool-the shahtoosh : -

asked Jul 24, 2018 by pady_1

0 answers

Carcinoma refers to : -

asked Jul 24, 2018 by pady_1

2 answers

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency : -

asked Jul 24, 2018 by pady_1

1 answer

Escherichia coli is used as an indicator organism to determine pollution of water with ;-

asked Jul 24, 2018 by pady_1

1 answer

Maximum application of animal cell culture technology today is in the production of : -

asked Jul 24, 2018 by pady_1

1 answer

Down's syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder :-

asked Jul 24, 2018 by pady_1

1 answer

In which one of the following do the two names refer to one and the same thing : -

asked Jul 24, 2018 by pady_1

1 answer

Test tube baby means a baby born when

asked Jul 24, 2018 by pady_1

0 answers

Which one of the following bacteria has found extensive use in genetic engineering work in plants : -

asked Jul 24, 2018 by pady_1

0 answers

Two opposite forces operate in the growth and development of every population. One of them relates to the ability to reproduce at a given rate. The force opposing it is called :

asked Jul 24, 2018 by pady_1

1 answer

Fluoride pollutions mainly affects : -

asked Jul 24, 2018 by pady_1

1 answer

Which group of vertebrates comprises the highest number of endangered species : -

asked Jul 24, 2018 by pady_1

1 answer

If Henle's loop were absent from mammalian nephron, which of the following is to be expected : -

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following contains the largest quantity of extracellular material :-

asked Jul 24, 2018 by pady_1

2 answers

During prolonged fasting, in what sequence are the following organic compounds used up by the body : -

asked Jul 24, 2018 by pady_1

1 answer

Bundle of His is a network of : -

asked Jul 24, 2018 by pady_1

2 answers

Random genetic drift in a population probably results from : -

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following sequences was proposed by Darwin and Wallace for organic evolution : -

asked Jul 24, 2018 by pady_1

1 answer

Convergent evolution is illustrated by : -

asked Jul 24, 2018 by pady_1

1 answer

Given below are four matchings of an animal and its kind of respiratory organ : <img src =""/> The correct matchings are : -

asked Jul 24, 2018 by pady_1

1 answer

Viruses are no more "alive" than isolated chromosomes because : -

asked Jul 24, 2018 by pady_1

1 answer

Cellular totipotency is demonstrated by :-

asked Jul 24, 2018 by pady_1

2 answers

Chargaff's rule states that in an organism : -

asked Jul 24, 2018 by pady_1

1 answer

Phospholipids are esters of glycerol with :-

asked Jul 24, 2018 by pady_1

1 answer

Glycolysis is : -

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following monomers gives the polymer neoprene on polymerization : -

asked Jul 24, 2018 by pady_1

1 answer

A and B in the following reactions are :

asked Jul 24, 2018 by pady_1

0 answers

Acrolein is a hard, horny and a high melting point material. Which of the following represent its structure :

asked Jul 24, 2018 by pady_1

1 answer

Which of the following orders of acid strength is correct :

asked Jul 24, 2018 by pady_1

2 answers

The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I), benzene (II) and nitrobenzene (III) is

asked Jul 24, 2018 by pady_1

2 answers

When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)

asked Jul 24, 2018 by pady_1

1 answer

The final product C, obtained in this reaction, would be : <img src =""/>

asked Jul 24, 2018 by pady_1

0 answers

Which one of the following is a free-radical substitution reaction :

asked Jul 24, 2018 by pady_1

2 answers

The radioisotope, tritium ($ ^3_1H$) has a half-life of 12.3 years. If the initial amount of tritium is 32 mg, how many milligrams of its would remain after 49.2 years :

asked Jul 24, 2018 by pady_1

1 answer

Among the following which is not the $\pi$-bonded organometallic compound :

asked Jul 24, 2018 by pady_1

1 answer

Vitamin $B_{12}$ contains :

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following octahedral complexes will not show geometric isomerism ? (A and B are monodentate ligands)

asked Jul 24, 2018 by pady_1

1 answer

The number of unpaired electrons in the complex ion $[CoF_6]^{3–}$ is : (Atomic No. of Co = 27)

asked Jul 24, 2018 by pady_1

1 answer

According to IUPAC nomenclature sodium nitroprusside is named as :

asked Jul 24, 2018 by pady_1

1 answer

The correct order of ionic radii of $Y^{3+}, La^{3+}, Eu^{3+}$, and $Lu^{3+}$ is : -

asked Jul 24, 2018 by pady_1

1 answer

The basic character of the transition metal monoxides follows the order : $(Atomic \; nos. Ti = 22, V = 23, Cr = 24, Fe = 26)$

asked Jul 24, 2018 by pady_1

1 answer

Which one of the following characteristics of the transition metals is associated with their catalytic activity :

asked Jul 24, 2018 by pady_1

1 answer

According to the adsorption theory of catalysis, the speed of the reaction increase because :

asked Jul 24, 2018 by pady_1

1 answer

The e.m.f. of a Daniell cell at 298 K is $E_1$. $Zn/SO_4(0.01 M) || CuSO_4(1.0 M)/Cu$ When the concentration of $ZnSO_4$ is 1.0 M and that of $CuSO_4$ is 0.01 M, the e.m.f. is changed to $E_2$. What is the relationship between $E_1$ and $E_2$ :

asked Jul 24, 2018 by pady_1

1 answer

The compound <img src = " "/> on reaction with $NaIO_4$ in the presence of $KMnO_4$ given :

asked Jul 24, 2018 by pady_1

0 answers

In a set of th given reaction, acetic acid yielded a product C. $CH_3COOH +PCl_5 \to A \xrightarrow[\text{Anh. $AlCl_3$}]{\text{$C_6H_6$}} B \xrightarrow[\text{ether}]{\text{$C_2H_5MgBr$} } C \; \text{, product C would be }$

asked Jul 24, 2018 by pady_1

0 answers

Which of the following pairs of compounds are enantiomers :

asked Jul 24, 2018 by pady_1

1 answer

In this reaction : $CH_3CHO + HCN \to CH_3CH(OHCN) \overset{H.OH}{\rightarrow} CH_3CH(OH)COOH$ an asymmetric centre is generated. The acid obtained would be :

asked Jul 24, 2018 by pady_1

1 answer

Ask Questions, Get Answers