Match the items in column I with those in column II. Column I Column II 1. Xylem a. Semipermeable 2. Phloem b. Permeable 3. Cell membrane c. Downward flow of sap 4. Root pressure d. Upward flow of water 5. Cell wall e. Guttation

(1)-(d) Xylem is a conducting tissue that conducts water in the plant. (2)-(c) Phloem is a conducting tissue that conducts food in the plants from leaves to roots. (3)-(a) The cell membrane is semipermeable or selectively permeable. (4)-(e) Root pressure creates guttation at night in some plants. (5)-(b) The cell wall is seen in plant cells and it is permeable. Column I Column II 1. Xylem d. Upward flow of water 2. Phloem c. Downward flow of sap 3. Cell membrane a. Semipermeable 4. Root pressure e. Guttation 5. Cell wall b. Permeable

HARD

Earn 100

Draw a well labelled diagram of a prokaryotic cell.

Important Questions on Cell - Structure and Functions

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Out of the Amoeba cell and white blood cell, which one is (a) eukaryotic cell, and (b) prokaryotic cell?

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Match the items in column I with those in column II.

Column I	Column II
1. Xylem	a. Semipermeable
2. Phloem	b. Permeable
3. Cell membrane	c. Downward flow of sap
4. Root pressure	d. Upward flow of water
5. Cell wall	e. Guttation

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Write a short note on the cytoplasm.

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

The number of homologous chromosomes in each normal human cell (write in numerals).

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Who coined the term protoplasm?

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Name the scientist who proposed the chromosomal theory of inheritance (Walter Sutton and Theodore Boveri/Charles Darwin)

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Explain why, chloroplast are found only in plants cells.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Complete the crossword with the help of clues given below.

Across

1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.

Down

1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.

Question Image

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Write the number of pairs of chromosomes in man and Drosophila.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Write a short note on the nucleus of a cell.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Clarify the term 'non-disjunction' giving a suitable example to substantiate the same.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Distinguish between chromatin and chromosome.

EASY

Science>Biology>Cell - Structure and Functions>Parts of the Cell

The giant chromosomes of Drosophila are found in:

HARD

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Which of the following are prokaryotic cells and which are eukaryotic cells?
Amoeba cell, Bacterium cell, Human cheek cell, Blue-green algae cell, Onion peel cell.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Where are chromosomes found in a cell? State their function.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Explain the structure of a chromosome.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

State the difference between eukaryotes and prokaryotes.

MEDIUM

Science>Biology>Cell - Structure and Functions>Parts of the Cell

Explain why chloroplasts are found only in plant cells?