JKBOSE 11th Class Model Paper Botany

Class: XI Subject: Botany Time: 1, Hours Max Marks: 35 GENERAL INSTRUCTIONS: This question paper contains four sections: i. Section -Acontains 5 Very Very Short Answer Type Questions of 1mark each. 1x5= 5 marks ii. Section- B contains 5 Very Short Answer Type Questions of2 marks each to be answered in 20 to 30 words. 2 x 5= 10 marks iii. Section -C contains 5 Short Answer Type Questions of 3marks each to be answered in 100 to 150 words. 3x 5 =15 marks iv. Section - D contains 1 Long Answer Type Questions of 5 marks each to be answered in 150 to 200 words. 5 x l=S marks Section A 1. Closed vascular bundles lack: a) Ground tissue b) Pith c) Conjunctive parenchyma d) Cambium 2. Casparian strips occur in: a) Cortex b) Endodermis b) Epidermis d) Pericycle 3. Smallest gymnosperm is: a) Zmiapygmaea b)Ginko c) Gnetales d) Cycad 4. are called fungi imperfecti. a) Deutermocyetes b) Ascomycetes c) Zygomycetes d) Phycomycetes 5. Dark reaction depends upon: a) presence of light b) presence of darkness c) Products of light reactions d) Products of biosynthetic phase.

Section B Q6.What is Herbarium? Write its advantages in viewof taxonomical aids. Q7. Differentiate between prokaryotes and eukaryotes. Q8. Why lichens are considered to be mutualism association? 09. Write the floral formula of Brassica with suitable example. Q10. What is phyllotaxy? Section C Q11, Define Binomial system of nomenclature. Give the rules to be observed in this system. Q12. Why xylem and phloem are called complex tissues? Q13.Differentiate between aerobic and anaerobic respiration, QI4. Write important characteristic features of pteridophytes. Q15. Write a brief account on effect of Auxin on plants. Section D Q16. Define photophosphorylations. Explain non cyclic photophosphorylation. OR What is Kreb'scycle? Explain the cycle in detail.