This question paper has two sections as A and B each of 20 marks.
Section A is compulsory.
Section A ( 20 marks )
Question 1. Multiple choice questions ( 5 marks )
a. The flat green portion of the leaf is called
(i) Lamina
(ii) Petiole
(iii) Vein
(iv) Stalk
b. A complete flower has whorls
(i) One
(ii) Two
(iii) Three
(iv) Four
c. In monocot seed number of cotyledons are
(i) Four
(ii) Three
(iii) Two
(iv) One
d. Cell was discovered by
(i) Robert Brown
(ii) Robert Koch
(iii) Robert Hooke
(iv) James bond
e. Which is known as power house of cell
(i) Chloroplasts
(ii) Nucleus
(iii) Mitochondria
(iv) Ribosomes
Question 2. Fill in the blanks ( 5 marks )
a. ................are green coloured plastids.
b. In a plant cell.............helps in photosynthesis.
c. The leaves are of two types- simple and ...............
d. Sepals are collectively called...........
e. Stamen consists of ............and..............
Question 3. Write true or false ( 5 marks )
a. Stamen is the female part of a flower.
b. Sepals are collectively called corolla.
c. Mango leaves are compound leaves.
d. Vacuoles help in protein synthesis
e. Cell wall is made of cellulose.
Question 4. Match the following ( 5 marks )
Column A Column Bio
1. Anther a. Fruit
2. Ripened ovary b. Bryophyllum
3. Carpel c. Pea seed
4. Vegetative
propagation d. Pollen grains
5. Hypogeal
germination e. Stigma
Section B ( 20 marks )
Question 5. Differentiate between the following ( 5×2 marks )
a. Plant cell and animal cell
b. Cell wall and cell membrane
c. Nucleus and nucleolus
d. Chloroplasts and chromoplast
e. Prokaryotes and eukaryotes
Question 6. Answer the following questions ( 5×2 marks )
a. What does the cell theory States ?
b. Explain different types of plastids.
c. List the functions of nucleus.
d. Define fertilisation.
e. What is pollination.
