Which of the following are fused in somatic hybridization involving two varieties of plants?

Meiosis takes place in

Identify the wrong statement in context of heartwood.

Which of the following is a correct statement?

Select the incorrect statement regarding synapses :

Which of the following \(RNAs\) is not required for the synthesis of protein?

Match the following cell structure with its characteristic feature

(a) Tight junctions	(i) Cement neighbouring cells together to form sheet
(b) Adhering Junctions	(ii) Transmit information through chemical to another cells
(c) Gap junctions	(iii) Establish a barrier to prevent leakage of fluid across epithelial cells
(d) Synaptic junctions	(iv) Cytoplasmic channels to facilitate communication between adjacent cells

Select correct option from the following

Select the incorrect statements with reference to Rh grouping :
A. Erythroblastosis foetalis is a condition observed having foetus with \(Rh ^{-v e}\) blood and mother with Rh \(+v e\) blood.
B. Rh antigen is observed on RBCs in the majority of human beings.
C. Before blood transfusion, Rh group should also be matched.
D. Rh incompatibility is observed when a pregnant mother is \(Rh ^{-v e}\) and the foetus is \(Rh ^{+v e}\).
E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.
Choose the answer from the options given below :

Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Organisms	Characteristics
(\(a\)) Platyhelminthes	(\(i\)) Cylindrical body with no segmentation
(\(b\)) Echinoderms	(\(ii\)) Warm blooded animals with direct development
(\(c\)) Hemichordates	(\(iii\)) Bilateral symmetry with incomplete digestive system
(\(d\)) Aves	(\(iv\)) Radial symmetry with indirect development

The following solutions were prepared by dissolving \(10\, \mathrm{~g}\) of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) in \(250 \,\mathrm{ml}\) of water \(\left(\mathrm{P}_{1}\right)\), \(10\, \mathrm{~g}\) of urea \(\left(\mathrm{CH}_{4} \mathrm{~N}_{2} \mathrm{O}\right)\) in \(250\, \mathrm{ml}\) of water \(\left(\mathrm{P}_{2}\right)\) and \(10\, \mathrm{~g}\) of sucrose \(\left(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\right)\) in \(250\, \mathrm{ml}\) of water \(\left(\mathrm{P}_{3}\right)\). The right option for the decreasing order of osmotic pressure of these solutions is :

Identify the correct statements:
A. The molality of 2.5 g of ethanoic acid (Molar mass : \(60 g mol ^{-1}\)) in 75 g of benzene solution is 0.556 m.
B. The molarity of a solution containing 5 g of NaOH (molar mass: \(40 g mol ^{-1}\)) in 450 mL of solution is 0.278 M at 298 K.
C. Aquatic species are more comfortable in cold water.
D. The solubility of gas increases with decrease in pressure.
E . For a binary mixture of A and B , the number of moles of A and B are \(n_A\) and \(n_B\) respectively. The mole fraction of B will be \(x_B=\frac{n_A}{n_A+n_B}\).
Choose the correct answer from the options given below :

Match List \(I\) with List \(II\) :

List \(I\) (Interaction)	List \(II\) (Species \(A\) and \(B\))
\(A\). Mutualism	\(I\). \(+(A), 0(B)\)
\(B\). Commensalism	\(II\). \(-(A), 0(B)\)
\(C\). Amensalism	\(III\). \(+(A),-(B)\)
\(D\). Parasitism	\(IV\). \(+(A),+(B)\)

Choose the correct answer from the options given below:

Select the correct statement