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Consider the following statements regarding the significance of mitosis and choose the correct answer:
1. The constant number of chromosomes in all the cells of the body is because of mitosis
2. Mitosis restores the surface-volume ratio of the cell
3. A cell can grow in size to a large extent without disturbing the ratio between the nucleus and the cytoplasm
4. Repair of the body takes place because of addition of cells by mitosis
Which is the first stage of mitosis follows the S and G2 phases of interphase?
Phases of mitosis in a randomly dividing section of a root tip were observed through a microscope in the following numbers:
User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.
Consider the following phases of project management: 1. Identification 2. Formulation 3. Appraisal 4. Implementation  Which of the above phases are relevant, sequentially?
For binary alloy consisting of three phases of non – equilibrium one, What will be the temperature of these phases?
In case of binary alloys, when the tangent touches plot for two phases, it means that at that composition, chemical potential of component A in both phases are
Roasting of a metallic sulfide MS in pure oxygen is carried out at a particular temperature where the probable stable solid phases are M, MS, MO and MSO4. In case the system attains equilibrium and thus satisfies phase rule, it is possible to obtain a combination of the following solid phases in the roasted product.
P. M, MS and MO
Q. M, MS, MO and MSO4
R. MSO4, MS and MO
S. MS and MO