List of practice Questions

An iron containing red protein is ..............
Lysosomes are ............. dense bodies, and originate from ............
The outer chitinous layer of the gemmule of a sponge is secreted by .............
To get a disease-free plant from a virus infected plant, which one of the following can be used as an explant in tissue culture?
The tubular, colourless delicate prolongations of epidermal cells are seen in which region of root in plants?
In human beings, the follicular cells of Graafian follicle secrete ..........
In fishes, .......... maximizes oxygen transfer from water into the gills.
The 70S ribosomes occur in one of the following.
Which of the following salts of same concentration will have the same value of van't Hoff factor as that of \( K_4[Fe(CN)_6] \)?
Select the correct match with reference to excretion.
What is the name of the disease in which a rice plant grows tall, thin, and becomes pale?
The best method to eliminate harmful recessive genes in the technique of animal breeding is ...........
Which among the following compounds does not exhibit resonance?
The standard emf of Daniell cell is 1.10 volt. What is the maximum electrical work obtained from Daniell cell?
What mass of water is formed when 1 mole of methane gas reacts with 2 moles of oxygen under identical conditions in their standard states?
IUPAC name of \( \text{H}_2\text{N-CH}_2\text{C=CH}_2 \) is
Which among the following gases is difficult to liquefy?
Gold crystallises in fcc structure with edge length 396 pm, find atomic radius of gold?
How many lone pairs of electrons are present on each oxygen atom in any oxy acids of chlorine?
What is the oxidation state of chlorine atom in perchloric acid?
What is the bond order of \( \text{Be}_2 \) molecule?
Which among the following is a polynuclear hydride?
The rate law for the reaction is \( r = k[A]^m[B]^n \). If the concentration of \( A \) is doubled and that of \( B \) is halved, the new rate is \( r_2 \); then what is the ratio of \( r_2/r_1 \)?
Thermodynamics deals with
Which of the following molecules contain hybrid orbitals with 25% 's' character?