Structure of Chloroplast

Q.

Are chloroplasts double membrane-bound?

Q.

Where are leucoplasts found?

Q. Name the flattened sac like structures present in the interior of the chloroplasts. What is the colourless substance in which these flattened sacs are present?

1. thylakoids, grana
2. grana, thylakoids
3. thylakoids, stroma
4. grana, stroma

Q.

Choose the correct option regarding the structure of chloroplast based on the statments given.

Statement 1: The fluid part of the chloroplast is the stroma lamellae.

Statement 2: The membranous sacs arranged one above the other form the grana.

Statement 3: The membrane bound structures joining the grana are the stroma.

1. (2) and (3) are incorrect, (1) is correct

2. (1) and (3) are incorrect, (2) is correct

3. (1) and (3) are correct, (2) is incorrect

4. (1) and (2) are correct, (3) is incorrect

Q.

Differentiate between chromoplast and leucoplast.

Q. Plastids that are white in colour (pigment-free) are known as _____.

1. chromoplast
2. lysosome
3. leucoplast
4. chloroplast

Q. Explain plastids with it function of it various types.

Q. The three types of plastids were named by

1. Meyer
2. Hanstein
3. Flemming
4. Schimper

Q. What are functions of chloroplast and leucoplast?

Q. What are the different types of plastids? Explain their functions within a plant body?

Q. Which of the following features is used to distinguish chloroplasts, chromoplasts and leucoplasts?

1. The presence of pigments
2. The possession of thylakoids and grana
3. They are storage plastids
4. The ability of multiply

Q.

Write the location and function of the thylakoids.

Q. Match the column I with column II and select the correct option from the codes given below:

Column I	Column II
(A) Chloroplasts	(i) Colourless plastids
(B) Chromoplasts	(ii) Yellow, orange or red coloured plastids
(C) Leucoplasts	(iii) Green plastids

1. A- (iii), B- (i), C- (ii)
2. A- (iii), B- (ii), C- (i)
3. A- (i), B- (iii), C- (ii)
4. A- (i), B- (ii), C- (iii)

Q. Name various type of plastids present in a plant cell.

Q. Give one key difference between leucoplast and chloroplast.

1. Chloroplast helps in photosynthesis whereas leucoplast helps in storage of starch, lipids and proteins.
   
2. Chloroplast helps in storage of proteins and starch whereas leucoplast helps in photosynthesis.
   
3. Chloroplast helps in photosynthesis whereas leucoplast helps in storage of fats.
   
4. Chloroplast helps in storage of fats whereas leucoplast helps in photosynthesis.
   

Q.

The nucleolus sits on a semi-solid substance called ___.

Q. Amyloplasts, elaioplasts, and aleuroplasts belong to ........... category of plastids.

1. Chloroplasts
2. Chromoplasts
3. Leucoplasts
4. All of these

Q. Plastids which are involved in storage of proteins are

1. Chloroplasts
2. Aleuroplasts
3. Amyloplasts
4. Elaeioplasts

Q. Name the three kinds of plastids ?

Q. Short / Long answer type questions.
Name the different types of plastids that may be found in plant cells. List their functions.

Q. Petals of flowers bear ____________.

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

Q. Plastids are found in

1. All animals cells
2. Some animals
3. All plant cells
4. All plant cells and euglenoide

Q. Red colour of tomato is due to

1. $\beta$-carotene
2. Anthocyanin
3. Lycopene
4. Erythrocyanin

Q. Fill in the blanks.
i) Green plastids are called _______.
ii) Plant cell has a big central _______.

Q. what are chromomere and chromonema ?How is it related to DNA coiling ?

Q. Match List I (Physiological Processess) with List II (Cell organelles) and select the correct answer using the codes given below in the lists:

	List-I		List-II
A.	Photosynthesis	1.	Plasma membrane
B.	Mineral uptake	2.	Chloroplast
C.	Respiration	3.	Mitochondria
D.	Protein synthesis	4.	Ribosomes

1. A - 2, B - 1, C - 3, D - 4
2. A - 1, B - 2, C - 4, D - 3
3. A - 1, B - 2, C - 3, D - 4
4. A - 2, B - 1, C - 4, D - 3

Q. What is common between chloroplasts, chromoplasts and leucoplasts?

1. Presence of pigments
2. Possession of thylakoids and grana
3. Storage of starch, proteins and lipids
4. Ability to multiply by fission-like process

Q.

Which of the following plays a major role in trapping sunlight?

1. Chlorophyll

2. Stomata

3. Epithelial cells

4. Mitochondria

Q. Besides leucoplasts, starch grains are developed in?

1. Chromoplast
2. SER
3. Chloroplast
4. Plastoglouli

Q. The amyloplasts are

1. Plastids with starch
2. Elaioplast
3. Aleuroplast
4. Chloroplast