1
12 Marksmedium
What is 'RNA world' and what makes it to be considered as the precursors for the origin and evolution of cellular life?
BiologyEvolution
2
12 Marksmedium
How would you distinguish between reverse and suppressor mutations?
BiologyGenetics
3
12 Marksmedium
Briefly explain the different pathways taken by secreted proteins.
BiologyCell Biology
4
12 Marksmedium
Give an experimental evidence to demonstrate that DNA is a genetic material.
BiologyGenetics
5
12 Marksmedium
What do you mean by site-specific recombination? Discuss the role of recombinase enzyme in this process.
BiologyGenetics
6
20 Marksmedium
What do you mean by aneuploidy and what kinds of chromosomal variations are found in aneuploid plants?
BiologyPlant Science
7
20 Marksmedium
What are transposons and how do they cause mutations?
BiologyGenetics
8
20 Marksmedium
Compare the different types of RNA and protein components found in the ribosomes of prokaryotes and eukaryotes.
BiologyCell Biology
9
15 Marksmedium
Explain the role of cdk and cyclin proteins in the regulation of cell cycle.
BiologyCell Biology
10
15 Marksmedium
Compare the gene expression of lac operon in the presence and absence of its functional regulatory gene.
BiologyGenetics
11
15 Marksmedium
Describe the chromosomal basis of sex differentiation in plants.
BiologyPlant Science
12
15 Marksmedium
Discuss how the discovery of infectious proteins brought a change in the concept of inheritance.
BiologyGenetics
13
15 Marksmedium
Illustrate the fate of two homologous chromosomes that have undergone unilateral crossing-over.
BiologyGenetics
14
15 Marksmedium
Explain the importance of DNA-DNA hybridization techniques in the study of biodiversity.
BiologyEcology
15
15 Marksmedium
What are gene markers? Explain their importance in biological studies.
BiologyGenetics
16
15 Marksmedium
Discuss the use of apomixes in plant breeding.
BiologyPlant Science
17
12 Marksmedium
What is superbug? Describe its properties and possible role in bioremediation.
BiologyEnvironmental Science
18
12 Marksmedium
What are ozone-depleting substances and how they cause depletion of ozone layers in stratosphere?
Environmental ScienceChemistry
19
12 Marksmedium
What is characteristic pathway of carbon fixation in tropical grasses and what are the advantages of the pathway?
BiologyPlant Science
20
12 Marksmedium
What makes the leguminous plants to grow under the nitrogen stress condition?
BiologyPlant Science
21
12 Markseasy
Distinguish between passive and facilitated diffusion.
BiologyCell Biology
22
20 Marksmedium
Explain the process of anaerobic glucose catabolism and mention the mode of ATP generation during the process.
BiologyBiochemistry
23
20 Marksmedium
What are the different IUCN threat categories of biodiversity and their implications in conservation?
BiologyEcology
24
20 Markseasy
What is Rubisco, where is it located and what function does it serve?
BiologyPlant Science
25
15 Marksmedium
Explain the mechanism of chemiosmotic generation of ATP.
BiologyBiochemistry
26
15 Markseasy
What are primers? Explain their role in PCR.
BiologyGenetics
27
15 Marksmedium
Discuss the ecological significance of nitrifying and denitrifying bacteria associated with biogeochemical cycle.
BiologyEnvironmental Science
28
15 Marksmedium
How is light energy captured in green plants?
BiologyPlant Science
29
15 Markseasy
Give a brief note on the concept of sustainable development.
Environmental ScienceEconomics
30
15 Marksmedium
What is the principle of blotting? Give an illustrated account of the steps involved in Southern blotting.
BiologyGenetics
31
15 Marksmedium
What is 'hot spot'? Describe the hot spots of India, giving names of few important species.
BiologyEcology
32
15 Markshard
Explain eco-regulation. Justify plant appearances and disappearances leading to climatic climax.
BiologyEcology