EASY
Earn 100

Define Chlorophyll and where it is found.

Important Questions on Nutrition - Food Supplying System

MEDIUM
Explain the structure of cell-organelle that performs the photosynthesis, with the help of a labelled diagram
MEDIUM

 What precautions do you take while conducting an experiment on root pressure?

HARD

Draw the diagram of open and closed stomata and label:

a) chloroplast
b) guard cells

HARD
Why do we use KOH in Moll’s half leaf experiment?
MEDIUM

Mention the exact location of the following

Thylakoids

MEDIUM
Find out which cell organelles functioning antagonistically in the synthesis of food and breakdown of food in a plant cell.
EASY

Match the following

1. Chloroplast    (a) gallbladder
2. Diaphragm   (b) antibiotic
3. Penicillin   (c) breathing
4. Bile    (d) amino acids
5. Proteins  (e) Rhizobium
  (f) leaf
EASY
The internal space of each _____ is called the fret channel.
MEDIUM
Most leaves have the upper surface more green and shiny than the lower surface. Explain.
HARD

Match the entries of Column 1 with those of Column 2.

Column 1 Column 2
A. Chloroplasts (i) Light reactions
B. Photophosphorylation (ii) Transportation of water
C. Calvin reactions (iii) Stroma
D. Xylem (iv) Formation of sugar
MEDIUM
Explain the structure of chloroplast with a neatly labelled sketch.
MEDIUM
Explain the structure of chloroplast with a neatly labelled sketch.
MEDIUM

In a T.S. of a leaf given,
(i) Label the parts a, b, c, d, and e.
(ii) What is the role of b?
(iii) What role does part 'e' play?
(iv) Name the gas that will diffuse during the day in the direction of the arrow in f and in g.

Question Image 

MEDIUM
Draw a neatly labelled diagram of chloroplast found in the leaf, and it's role in photosynthesis.
EASY

Question Image

Down

1. Organelle for photosynthesis

3. The mechanism for food production in green plants

5. Chemical nature of bile

7. Bile and pancreatic ducts open here

Across

2. Organism making its own food

4. Muscular and tubular part of the alimentary canal

6. A parasitic plant

8. The middle part of the small intestine

MEDIUM
Write the differences between Chlorophyll and Chloroplast.
HARD

The diagram shows the arrangement of cells inside the leaf of a green plant. (No cell contents are shown)

Which cells normally contain chloroplasts?
Question Image

HARD
Which one of the following statements is false about chloroplast?
MEDIUM
What makes chloroplast appear completely different from other cell organelles?