1
10 Marksmedium
Explain the types of variations found in the structure of chromosomes and discuss their importance and significance.
2
10 Marksmedium
Explain with at least two examples what is incomplete dominance and polygenic inheritance and what happens as a result of these events?
3
10 Marksmedium
Discuss what are cell receptors and how do they help in cell signalling? Elaborate the answer with the help of at least one example.
4
10 Marksmedium
Discuss with one example the role of RNA in the origin and evolution of life.
5
10 Marksmedium
Probability and distribution are two important factors which should always be taken into account to establish a successful breeding programme. Explain with a suitable example.
6
5 Marksmedium
Male sterility and heterosis breeding.
7
5 Marksmedium
Molecular basis of cell cycle.
8
5 Marksmedium
Gene silencing.
9
20 Marksmedium
Discuss briefly different methods of gene mapping. How molecular maps are of help in evaluating the gene function?
10
15 Marksmedium
Explain what is apomixis and how this may be of help in plant breeding? Elaborate the answer with suitable examples.
11
15 Marksmedium
Describe along with illustrated diagrams the structure and function of mitochondria and endoplasmic reticulum.
12
8 Marksmedium
Explain with example how male sterility is related to cytoplasmic inheritance?
13
7 Marksmedium
Discuss in brief the molecular basis of sex determination in plants.
14
20 Marksmedium
Explain the process of protein synthesis in plants and write a note on the structure and function of proteins.
15
10 Marksmedium
In what way the transfer of genes in plants will be of help in sustainable development?
16
5 Marksmedium
Importance of biosafety aspects of transgenic crops.
17
5 Marksmedium
Polytene chromosomes.
18
15 Marksmedium
Explain how mass selection will be of help in a successful breeding program. Elaborate the answer with a suitable example.
19
15 Marksmedium
Briefly discuss various theories of organic evolution. Support the answer with a suitable example and evidence.
20
10 Marksmedium
Explain what is secondary active transport. Discuss its importance in ion acquisition in plants.
21
10 Marksmedium
Discuss what is GOGAT? Comment on its catalytic function.
22
10 Marksmedium
Regulation of seed dormancy and germination by phytohormones.
23
10 Marksmedium
Metallophytes and their practical importance.
24
10 Marksmedium
Invasive alien species and their impact on biodiversity.
25
20 Marksmedium
Explain the compartmentation of biochemical reactions in photorespiration. Comment upon the significance of the process.
26
15 Marksmedium
Describe the structure of phytochrome. Explain its mode of action in flowering plants.
27
15 Marksmedium
Give a concise account on altitudinal zonation of vegetation with special reference to Himalayan Vegetation.
28
20 Marksmedium
Define leaf senescence. Describe important physiological and biochemical changes taking place during this process. Comment upon the regulation of senescence by phytohormones.
29
15 Marksmedium
Describe the molecular organization of chloroplast ATP synthase. Explain its mechanism of action.
30
8 Marksmedium
Discuss the causes, consequences and control of eutrophication.
31
7 Marksmedium
In present Indian scenario, explain the importance of biosphere reserves in bio-diversity conservation.
32
8 Marksmedium
What are allosteric enzymes? Explain in detail on the allosteric enzyme modulation.
33
7 Marksmedium
Describe the process of gluconeogenesis and its significance.
34
20 Marksmedium
What is environmental management? Discuss various control measures to minimize environmental pollution.
35
15 Marksmedium
Differentiate between mutualism and commensalism by citing two examples for each of them.