Plastids

Q.

The cell wall is present in

1. Animal cell and plant cell

2. None of the above

3. Animal cell

4. Plant cell

Q. Who coined the term cell?

1. Robert Hooke
2. Robert Koch
3. Carl Linnaeus
4. Chales Darwin

Q. What is the function of chloroplasts in a plant cell ?

Q.

A cell that lacks chloroplast does not_____

Q.

Which type of plastid traps solar energy during photosynthesis in plants?

Q.

What causes the red colour in tomatoes ?

Q.

Which kind of plastid is more common in flowers and fruits?

Q. what is plastids

Q. The plastid that is responsible for imparting yellow or red colour to plant parts is

1. Chloroplasts
2. Chromoplasts
3. Leucoplasts
4. Amyloplasts

Q.

The yellow and orange colour bearing plastids are called leucoplast.

1. True

2. False

Q.

What is a plastid ? What is the name of green plastids present in plant cells ?

Q. Which of the following is not the property of plastids?

1. They help in giving shape to the cell

2. They have double membranes

3. They contain coloured pigments such as chlorophyll

4. They are found only in plants

Q.

The process by which plants produce complex organic compounds from simple components like light, water and carbon dioxide is called ___.

Q.

Define plastids.

Q.

Does every human cell contain DNA?

Q.

The parts P and Q is present only in plant cells, they are not present in animal cells. The part P contains a green pigment called R whereas part Q is made up of tough material S.

Identify P, Q, R and S.

Q.

Do plastids store food material?

Q.

The plastids that contain chlorophylls and are capable of carrying out photosynthesis are called _________ .

1. leucoplasts
2. ribosomes
3. chloroplasts
4. chromoplasts

Q.

The parts P and Q are present only in plant cells, they are not present in animal cells. The part P contains a green pigment called R whereas part Q is made of a tough material S. The part P takes part in the food making process whereas part Q gives shape and support to the plant cell.

Q. What is the thykloid and grana made up of in plastid?

Q.

The process by which plants produce complex organic compounds from simple substances like light, water, and carbon dioxide is called __.

Q. The primary function of leucoplast is the storage of materials such as starch and oils.

1. True
2. False

Q.

What is the colour of cell

Q. Which of the following do not possess Cell Wall:

1. Algae
2. Fungi
3. Euglena
4. Angiosperms

Q. Question 9
Explain why chloroplasts are found only in plant cells?

Q.

Do all plant cells have plastids?

Q.

Plastids that are white in colour (Pigment-free) are known as:

1. Albinoplast

2. Lysosome

3. Leucoplast

4. Chloroplast

Q.

The cytoplasm of the cells of a tomato plant contains organelles X having different pigments which impart different colours to the leaves of the tomato plant and its fruits.
(a) What is the general name of the organelles X?
(b) What is the (i) name (ii) colour, and (iii) function, of organelles X present in the leaves of the tomato plant?
(c) What is the colour of organelles X which are present in the ripe fruits of the tomato plant?

Q.

What is leucoplast? What is it functions?

Q.

what is a chromatin