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Old Friday, February 28, 2014
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Default Botany Papers 2014

Brassica family is commonly known as?
Cruciferae

Histogen was given by?

Blue green have which cells to fix nitrogen?
Heterocysts

Which of the following is not filamentous algae?
Volvox

Asteroid shaped chloroplast is found in?

Condition in which stamens fuse with anters?

Parasexuality of fungi is observed in which division?

Primitive character is found in?
Azolla Dryopteris Psilotum (Not sure)

Horn shaped sporophyte is found in?
Anthocerophyta

Collumela in sporophyte of anthoceros is replaced by which modern tissue?
I marked vascular tissue

Ripened ovule is called?
Seed

Chilghoza pine belongs to?
Gymnosperms

Epidermis is?
Protective layer

Main component of phloem?
Sugars and amino acids

Which of the following was an example of natural system of classification?
Bentham and Hooker

Symptoms of fungi appear in?
Both externally and internally

Aleurone layer is found in?
Cereals

Which tree has smooth bark?
Eucalyptus (I guess)

One mcq about cell wall.

Attempt any four questions, each question carries equal marks. (20 marks each)

Question # 2: Describe salient features of group Chlorophyta with particular emphasis on morphology and structural organization.

Question # 3: Give an illustrated account of life cycle of a smut fungus.

Question # 4: Define Stele. Describe its various types along with their evolutionary significance.

Question # 5: Write down a comparative account of stem anatomy of gymnosperms and angiosperms.

Question # 6: Write down the important characteristics of musci and discuss evolutionary trnds of the group.

Question # 7: Describe artificial and natural sytems of classification of plants by giving merits and demerits of each system.

Question # 8: Write down comprehensive notes on any 2 of the following:
(a) Anomalus Secondary Growth
(b) Economic Importance of Red Algae
(c) Distinct characters and important genera of family Malvaceae.
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Old Friday, February 28, 2014
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Deficiency symptoms of which nutrients first appear on younger leaves?
Immobile

Enzymes for glycolysis are found in?
Cytoplasm

Oikos means?
Household

Which type of rRNA is not synthesized in Nucleolus?
20S rRNA

Histone proteins are found in?
Eukaryotes Prokaryotes Both None of these

Golgi used which stain to discover Golgi bodies?
Silver nitrate

NADH+H yield how many ATPs?
3 ATPs

Intermediate day flowering plants are called?

Every molecule of Acetyl CoA produces how many ATP?
12 ATPs

Cell of fungi has?
Chitin

Which of the following is not a part of cytoskeleton?
Macrotubules

In plants central vacuole is how much of cell volume?

Which of the following is not an amino acid?
Palmitic acid

Share if you remember any

Attempt any four questions, each question carries equal marks. (20 marks each)

Question # 2: Describe the structure, biosynthesis, mode of action and physiological functions of gibberellins.

Question # 3: Differentiate between Respiration and Photorespiration. Elaborate the mechanism of phhotorespiration along with structural formulae. Which types of cellular organelles are involved in this process?

Question # 4: Environmental factors are crucial for plant growth. How do various climatic, edaphic and biotic factors affect plant growth?

Question # 5: Soil Erosion is major problem in Pakistan. What are the causes of soil erosion? Hoe is soil erosion reclaimed? Justify your answer with respect to this problem in Pakistan.

Question # 6: Differentiate between mitosis and meiosis. In which types of cells mitosis or meiosis occur? How id meiosis significant for living organisms?

Question # 7: What are codon and genetic code? Elucidate the structure of gene. Succinctly describe the process of gene regulation in eukaryotes.

Question # 8: List and describe various theories about the process of evolution. Elaborate this process with reference to theory of Neo-Lamarckism. What were the objections on this theory?
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Old Friday, February 28, 2014
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Ripened ovule is called? it is fruit i guess
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ripened ovule is called seed and ripened ovary is called fruit

Asteroid shaped chloroplast is found in chlamydomonas

main components of phloem are sieve tube cells sieve elements and companion cells.

intermediate day flowering plants are called
neutral plants
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Old Saturday, March 01, 2014
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Quote:
Originally Posted by aijaz ali samoon View Post
main components of phloem are sieve tube cells sieve elements and companion cells.
Question was not asking the structural composition, it was about the material it contains.
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Old Saturday, March 01, 2014
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Although i didnt opt botany this year a blunder but i tell you i opted botany last year only with one night preparation a typical UAF approach and to my astonishment i secured 120 while paper was liable to be failed in only paper 2 i got 70. Dear i assure you if you people have just opted all four questions no reason that you get 150plus a very high scoring subject this is. If ce2013 result would have been announced before application submission of ce2014. I would have continued with it. Anyhow all the best for your scores
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