Important Questions:

Section A:(Multiple Choice Questions)

Note: Attempt all questions from this section.

Q.1:- Choose the correct answer for each from the given option:

a) Nucleus was discovered by.

1. Robert Hook
2. Schleiden
3. Schwann
4. Robert Brown

b) Plant cell wall was made of.

1. Protein
2. Lipid
3. Cellulose
4. Chitin

c) Energy is released from.

1. Chloroplast
2. Mitochondria
3. ER
4. Golgi bodies

d) Rod-shape bacteria is called.

1. Bacillus
2. Coccus
3. Vibrio
4. Spirillum

e) Rabies is caused by.

1. Rhino Virus
2. Arbovirus
3. Retrovirus
4. Rhabdovirus

f) The most common method of yeast reproduction is.

1. Fission
2. Budding
3. Conjugation
4. Non of them

g) Cancer causing toxin is called.

1. Mycotoxin
2. Aflatoxin
3. Phytotoxin
4. Moldtoxin

h) Yeast belongs to.

1. Zygomycota
2. Ascomycota
3. Basidiomycota
4. deutromycota

i) Fungi which lack sexual reproduction is called.

1. Deutromycota
2. Basidiomycota
3. Ascomycota
4. Zygomycota

j) Fungus utilized in baking industry.

1. Yeast
2. Mushroom
3. Bread mold
4. Penicillium

k) Potato belongs to family.

1. Rosaceae
2. Solanaceae
3. Fabaceae
4. Mimosaceae

l) Heterospory is found in.

1. Psilotum
2. Lycopodium
3. Fern
4. Selaginella

m) Where do the light-dependent reactions of photosynthesis occur?

1. Guard cells of stomata
2. In the thylakoid membrane of chloroplast
3. Stroma of chloroplast
4. Cytoplasm of leaf cell

n) Where does respiratory electron transport occur?

1. Cytoplasm
2. Mitochondria
3. ER
4. All of them

o) What is the end product of glycolysis in plant?

1. Pyruvie acid
2. Lactic acid
3. Methyl alcohol
4. Ethyl alcohol

p) Leaves tern pale yellow due to loss in chlorophyll content called.

1. Chlorosis
2. Senescence
3. Cirrhosis
4. All of them

q) In the morning when the sun rises, plants open their stomata by.

1. Pumping H20 out of guard cells
2. Pumping H20 into the guard cells
3. Pump K+ ion into the guard cells
4. Pump K+ Out Of the guard cells

r) Pressure flow hypothesis was proposed by E. Munch in.

1. 1920
2. 1930
3. 1935
4. 1940

Note: Students are advised to learn material written in boxesof your book for MCQS

Important Long Questions

1- Write notes on the following:

• Plastid
• Endoplasmic Reticulum
• Golgi bodies
• Ribosomes
• Cytoplasm
• Nucleus
• Cytoskeleton

2- Describe the life cycle of of Bacteriophage with labelled diagram (Structure of Bacteria or Structure and reproduction in Nostoc)

3- Describe the life cycle of plant showing isomorphic alteration of generations

4- Describe the structure and reproduction of fungi

5- Describe the life cycle of Zygomycota and also draw its diagrammatic life cycle

6- Adaptation of plants to land habitat OR Structure and reproduction in Ascomycota

7- Describe the life cycle Selaginella, Fern and Pinus

8- Describe the floral characters, floral formula, floral diagram and economic importance of family Rasaceae, Mimasaceae and Poaceae)

9- Describe the process of photosynthesis with reference to cyclic and non-cyclic phosphorylation

10- Describe the process or mechanism of Anaerobic respiration or Glycolysis

11- Describe the mechanism of Aerobic respiration or Kreb cycle

12- Define transpiration and describe its stomatal mechanism.

Important Short Questions Cell Theory

1. Prokaryotes and Eukaryotes
2. Techniques to isolate components of cell
3. Comparison of the light and electron microscope
4. Classification of living organisms
5. Characteristics and structure of virus
6. Viral diseases(Rabies, AIDS, Hepatitis)
7. Photosynthesis and chemosynthetic bacteria
8. Classification of bacteria on the basis of respiration
9. Fission in Bacteria
10. Genetic Recombination
11. Salient feature of cynobacteria
12. Chlorella
13. Plant and Animal characteristics of Euglena
14. Slime mould
15. Phytophthora infestance- Structure, reproduction and economic importance
16. Nutrition in Fungi
17. Types of Ascocarps
18. Parasexuality
19. Economic impportance of yeast
20. Labelled diagram of sectioned marchantia thallus
21. Evolution of the leaf
22. Diagram of Female cone of Pinus
23. An anatropous or inverted ovule in L.S
24. Describe the role of chlorophyll and carbondioxide and ATP as energy currency
25. Fermentation and its economic importance
26. Trophic level
27. Deficiency symptoms of nitrogen and phosphorous
28. Facilitated diffusion
29. Active transport
30. Imbibition
31. Plasmolysis and de- Plasmolysis
32. Vessels and Tracheids
33. Advantages and disadvantages of transpiration
34. Phloem translocation
35. Source- sink movement
36. Aerobic and Anaerobic respiration