Plastids

Q.

How many organelles are in an animal cell?

Q.

The kitchen of the cell is ________________.

1. Mitochondria

2. Endoplasmic reticulum

3. Chloroplast

4. Golgi apparatus

Q.

Mention the function of Amyloplast , Elaioplast, Aleuroplast

Q.

How did life begin on earth

Q.

What is leucoplast? What is its function?

Q.

What does monocistronic mean?

Q.

State the function of chlorenchyma?

Q.

What is chloroplast

Q.

Name a mineral essential for the formation of chlorophyll.

Q. Name the green pigment present in the leaves of a plant.

1. Stomata
2. Chorophyll
3. Iodine
4. Choloroplast

Q.

Which of the following plastids impart colour?

1. Leucoplast

2. Coloured plastid

3. Chromoplast

4. Chloroplast

Q.

The cell organelle that converts sunlight energy into chemical energy is

1. Chloroplast
2. Mitochondria
3. Ribosomes
4. Lysosomes

Q.

______ is the plastid that traps the solar energy and aids in the process of photosynthesis

1. Chromoplast

2. Chloroplast

3. Amyloplast

4. Leucoplast

Q.

Chloroplasts in spirogyra are

1. Circular

2. Cup shaped

3. Spirally arranged without pyrenoids

4. Spirally arranged and ribbon shaped with pyrenoids

Q.

Plastids that are colourless (pigment-free) are known as:

1. Albinoplast

2. Leucoplast

3. Lysosome

4. Chloroplast

Q. _________ is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

1. Transpiration
2. Evaporation
3. Photosynthesis
4. All of these

Q. The pigment that helps in photosynthesis by absorbing sunlight is present in the organelle called___ .

Q. Chlorophyll capture the energy of sunlight and use it to produce food for the cell by

1. Transpiration
2. Diffusion
3. Photosynthesis
4. Respiration

Q.

What is the Chromoplasm?

Q. The plastids are the organelles which have the colored pigments.

1. True
2. False

Q.

Green coloured pigment called chlorophyll is found in

1. Leucoplasts

2. Chloroplasts

3. Mitochondria

4. Chromoplasts

Q.

Identify the types of plastids.

1. Leucoplast

2. Cytoplast

3. Chlorophyll

4. Chromoplast

Q. Chlorophyll, the green-coloured pigment is present in which of the following organelles?

1. Mitochondria
2. Vacuole
3. Chloroplast
4. Cell wall

Q.

Chloroplasts and golgi apparatus possess extrachromosomal DNA.

1. True

2. False

Q. A plant prepares its food by a process called _____ .

1. respiration
2. photosynthesis
3. transpiration
4. cooking

Q.

What is plasmodesmata?

Q. Name the green pigment present in the leaves of a plant.

1. Stomata
2. Chlorophyll
3. Iodine
4. Chloroplast

Q. Which of the following cells in human body are spindle shaped?

मनुष्य के शरीर में निम्नलिखित में से कौनसी कोशिकाएँ तर्कुरूपी होती हैं?

1. Red blood cells
   
   लाल रक्त कोशिकाएँ
2. White blood cells
   
   श्वेत रक्त कोशिकाएँ
3. Muscle cells
   
   पेशी कोशिकाएँ
4. Nerve cells
   
   तंत्रिका कोशिकाएँ

Q. Among the following which cell can be seen with an unaided eye?

1. Sperm cell
2. Red blood cell
3. Hen's egg
4. Nerve cell

Q.

Does chromoplast have DNA?