Related Questions

Consider the following statements regarding centromere and choose the correct answer:
1. The position of the centromere is constant for a particular chromosome
2. The structure and function of the centromere are different from that of the rest of the chromosome
3. During division the centromere is functional, while the rest of the chromosome is genetically inactive
4. The position of the centromere varies in different chromosomes
Consider the following statements
1. The bundled axons of the ganglion cells from both the eyes, first travel to the base of the brain and come together in the optic chiasma
2. At the optic chiasma stimuli from the left visual field are sent to the right occipital lobe for further processing
3. Stimuli from the right visual field are sent to the left occipital lobe
Select the correct answer from the options given below:
If two breaks occur in one chromosome, and one in a non-homologous one, the fragment from the first chromosome may become joined in an intercalary position in the second chromosome. This is a case of
A male plant of chromosome pp pollinates the plant having chromosome type PP. The expected chromosome in embryo and endosperm
Consider the following statements with regard to the functions of the centromere in the chromosome.
1. Centromeres are the centres of movement of the chromatids or chromosomes during anaphase separation.
2. Acentric chromosomes lack the capacity to segregate in a regular fashion.
3. Crosing-over in one arm of a metacentric chromosome does not affect the crossing over in the arm of the same chromosome.
Which of the statements given above are correct?
Particularly violent oscillation of an interstitial atom or some chance coincidence of the movement of the matrix and interstitial atoms will result in a jump.
A monatomic crystalline solid comprises of N atoms, out of which n atoms are in interstitial positions. If the available interstitial sites are N', then number of possible micro-states is
The activation enthalpy for interstitial diffusion increases as the size of the interstitial atom increases.
Mark the incorrect proposition:
1. Set-off is a statutory defence to a plaintiff's action, whereas a counterclaim is a cross-action.
2. Set-off and counter-claim arises out of the same transaction.
3. Set-off should not be barred on the date of the suit while counter-claim should not be barred on the date of filing of written statement.
4. Claim for set-off cannot exceed plaintiff's claim, whereas counterclaim can exceed the plaintiffs claim.
5. Both set-off and counter-claim cannot exceed the pecuniary jurisdiction of the court.
The angle of elevation of the top of a 36 m tall tower from the initial position of a person on the ground was 60 deg. She walked away in a manner that the foot of the tower, her initial position and the final position were all in the same straight line. The angle of elevation of the top of the tower from her final position was 30 deg. How much did she walk from her initial position?