Kerala Plus One Model Question Paper Botany

SAMPLE
PAPER

First year botany
Answer any three questions from 1 to 5. Each question carries 1 score
Observe the relationship and fill in the blanks
1) Potato spindle tuber disease: Viroid.
BSE / mad cow disease :___________________
2) Auxin: F W Went
___________: Kurasowa
3) Name a pteridophyte plant which exhibits heterospory.
4) Pick the odd one out i
IAA, 2,4-D, IBA
5) Name the connecting link between glycolysis and krebs cycle.
Answer any nine question from 6 to 16. Each carries 2 scores
6) Match the following
A B
1.Apical dominance- Ethylene
2.Stress hormone Gibberllin
3.Bolting ABA
4.Fruit ripening Auxin

7) In fermentation only glycolysis takes place and produce 2 ATP. Which are two types of
fermentation?
8) An accepted model of the structure of cell membrane was proposed by Singer and Nicolson
a) Name the model
b) List the two major biomolecules which this membrane is composed of?

9) The following is a list of cell organelles
Nucleus
Endoplasmic reticulum

Lysosomes
Chloroplast
Golgi Complex
Mitochondria
Ribosomes

a) Identify the organelles with the double membrane envelope
b) Mention the cell organelles which posses an extra chromosomal DNA
c) Identify the orginal found both in Eukaryotic and prokaryotic cells.
10) What is stomatal apparatus? Mention its parts
11) Differentiate cytokinesis in plant cells and animal cells
12) Meiosis is like that of Mitosis II. Explain
13) Differentiate between cymose and racemose inflorescence.
14) Write the Anatomical feature of dicot leaf.
15) Complete the table
Group Common name Reserve food
-----------a------------ Green algae Starch
Phaeophyceae -------------b------- ----------c----------
Rhodophyceae Red algae ---------d-----------

16) Whittaker placed the fungi as a separate kingdom. Write the characters of fungi supporting
above statement.
Answer any three questions from 17 to 20. Each carries 3 score.
17) List the difference between cyclic and non-cyclic photo phosphorylation.
18) Plants like Maize and Sorghum exhibit a special kind of leaf anatomy
a) Name the special leaf anatomy
b) Explain how it helps the plants to avoid photorespiration?
19) Observe the figure and answer the following

a)Name this cycle.
b)Where does it takes place?
C) Name a, b and c
20)What do you mean by Aestivation? Name different types of aestivation with examples.