A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant ?

Which of the following statements is correct about the origin and evolution of men ?

The terga, sterna and pleura of cockroach body are joined by

Select the incorrect statement.

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 :

Chromosomal theory of inheritance was proposed by

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are :

The partial pressures (in \(\mathrm{mm}\, \mathrm{Hg}\) ) of oxygen \(\left(\mathrm{O}_{2}\right)\) and carbon dioxide \(\left(\mathrm{CO}_{2}\right)\) at alveoli (the site of diffusion) are:

Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown here?

Which of the following events does not occur in rough endoplasmic reticulum?

Two identical glass \((\mu_g = 3/2)\) equiconvex lenses of focal length \(f\) each are kept in contact. The space between the two lenses is filled with water \((\mu_w = 4/3).\) The focal length of the combination is

Match List \(- I\) with List \(- II.\)

List \(- I\)	List \(- II\)
(a) \(S\) phase	(i) Proteins are synthesized
(b) \(G_2\) phase	(ii) Inactive phase
(c) Quiescent stage	(iii) Interval between mitosis and initiation of \(DNA\) replication
(d) \(\mathrm{G}_{1}\) phase	(iv) \(DNA\) replication

Choose the correct answer from the options given below.\((a) -(b) -(c)- (d)\)

From a disc of radius \(R\) and mass \(M,\) a circular hole of diameter \(R,\) whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis, passing through the centre?