Recent questions in 2017

Which statements is wrong for Krebs' cycle?

asked Aug 21, 2018 by pady_1

1 answer

Life cycle of Ectocarpus and Fucus respectively are :

asked Aug 21, 2018 by pady_1

1 answer

Anaphase Promoting Complex (APC) is protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ?

asked Aug 21, 2018 by pady_1

2 answers

Which of the following facilitates opening of stomatal aperture ?

asked Aug 21, 2018 by pady_1

1 answer

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ?

asked Aug 21, 2018 by pady_1

1 answer

Select the correct route for the passage of sperms in male frogs :

asked Aug 21, 2018 by pady_1

2 answers

During DNA replication, Okazaki fragments are used to elongate

asked Aug 21, 2018 by pady_1

1 answer

Which of the following RNAs should be most abundant in animal cell ?

asked Aug 21, 2018 by pady_1

1 answer

Adult human RBCs are enucleate. Which of the following statements(s) is / are most appropriate explanation for this feature ? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space is available for oxygen transport

asked Aug 21, 2018 by pady_1

1 answer

Viroids differ from viruses in having

asked Aug 21, 2018 by pady_1

1 answer

In Bougainvillea thorns are the modifications of :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following are found is extreme saline conditions ?

asked Aug 21, 2018 by pady_1

1 answer

Zygotic meiosis is characteristic of :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following options best represents the enzyme composition of pancreatic juice ?

asked Aug 21, 2018 by pady_1

1 answer

Root hairs develop from the region of :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following is made up of dead cells ?

asked Aug 21, 2018 by pady_1

1 answer

Coconut fruit is

asked Aug 21, 2018 by pady_1

1 answer

Plants which produce characteristic pneumatophores and show vivipary belong to :

asked Aug 21, 2018 by pady_1

1 answer

A dioecious flowering plant prevents both :

asked Aug 21, 2018 by pady_1

1 answer

An example of colonial alga is :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following components provides sticky character to the bacterial cells ?

asked Aug 21, 2018 by pady_1

1 answer

Which of the following are not polymeric ?

asked Aug 21, 2018 by pady_1

1 answer

Which one of the following statements is correct with reference to enzymes ?

asked Aug 21, 2018 by pady_1

1 answer

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following options gives the correct sequences of events during mitosis ?

asked Aug 21, 2018 by pady_1

1 answer

DNA fragments are

asked Aug 21, 2018 by pady_1

1 answer

GnRH, a hypothalamic hormone, needed in reproduction, acts on

asked Aug 21, 2018 by pady_1

1 answer

The association of histone H1 with a nucleosome indicates :

asked Aug 21, 2018 by pady_1

1 answer

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?

asked Aug 21, 2018 by pady_1

1 answer

The final proof for DNA as the genetic material came from the experiments of

asked Aug 21, 2018 by pady_1

1 answer

A gene whose expression helps to identify transformed cell is known as

asked Aug 21, 2018 by pady_1

1 answer

Fruit and leaf drop at early stages can be prevented by the application of

asked Aug 21, 2018 by pady_1

1 answer

In case of poriferans, the spongocoel is lined with flagellated cells called :

asked Aug 21, 2018 by pady_1

1 answer

The vascular cambium normally gives rise to :

asked Aug 21, 2018 by pady_1

1 answer

Asymptote in a logistic growth curve is obtained when :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following reactions is appropriate for converting acetamide to methanamine ?

asked Aug 21, 2018 by pady_1

1 answer

The species, having bond angles of $120^o$ is

asked Aug 21, 2018 by pady_1

1 answer

If molality of the dilute solution is doubled, the value of molal depression constant $(K_f)$ will be

asked Aug 21, 2018 by pady_1

1 answer

Which one is the correct order of acidity ?

asked Aug 21, 2018 by pady_1

1 answer

The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration ?

asked Aug 21, 2018 by pady_1

2 answers

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solutions of their salts are put under an electric filed?

asked Aug 21, 2018 by pady_1

1 answer

Which one of the following statements is not correct ?

asked Aug 21, 2018 by pady_1

1 answer

$HgCl_2$ and $I_2$ both when dissolved in water containing $I^–$ ions pair of species formed is :

asked Aug 21, 2018 by pady_1

1 answer

Which of the following pairs of compounds is isoelectronic and isostructural ?

asked Aug 21, 2018 by pady_1

1 answer

For a given reaction, $\Delta H = 35.5\; KJ\; mol^{-1}$ and $\Delta S = 83.6 \; JK^{-1} mol^{-1}$. The reaction is spontaneous at : (Assume that $\Delta H$ and $\Delta S$ do not vary with temperature)

asked Aug 21, 2018 by pady_1

1 answer

The correct statement regarding electrophile is :

asked Aug 21, 2018 by pady_1

1 answer

Correct increasing order for the wavelengths of absorption in the visible region for the complexes of $Co^{3+}$ is -

asked Aug 21, 2018 by pady_1

1 answer

A gas is allowed to expand in a well insulated container against a constant external pressure of 2.5 atm from an initial volume of 2.50 L to a final volume of 4.50 L. The change in internal energy $\Delta U$ of the gas in joules will be -

asked Aug 21, 2018 by pady_1

1 answer

In the electrochemical cell - $Zn|ZnSO_4 \; (0.01 M) || CuSO_4 \; (1.0 M) | Cu$, the emf of this Daniel cell is $E_1$. When the concentration of $ZnSO_4$ is changed to $0.1 M$ and that of $CuSO_4$ changed to $0.01 M$, the emf changes to $E_2$. From the followings, which one is the relayionship between $E_1$ and $E_2$ ? (Given , $\frac{RT}{F} = 0.059$)

asked Aug 21, 2018 by pady_1

1 answer

asked Aug 21, 2018 by pady_1

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