Organelles

Q.

Name the different cell organelles and the functions these organelles perform in the cell.

Q.

Find out the false sentences.

1. Golgi apparatus is involved with the formation of lysosomes.

2. Nucleus, mitochondria, and plastid have DNA; Hence they are able to make their own structural proteins.

3. Mitochondria is said to be the powerhouse of the cell as ATP is generated in them.

4. Cytoplasm is called as protoplasm.

Q.

What are stomata? Explain the functions and the opening and closing of stomata? [3 MARKS]

Q. Which part of the cell is called the brain of the cell?

1. Lysosome
2. Ribosome
3. Nucleus
4. Golgi complex

Q. Which among the following is/are double membrane-bound cell organelle(s)?

1. Nucleus
2. Mitochondria
3. Golgi bodies
4. Plastids

Q.

In a cell, the nucleus is surrounded by a jelly - like substance called cell membrane.

1. True

2. False

Q.

What is the structure of a Cell Wall?

Q.

A Atom has a nucleus which is surrounded by electrons and protons. A cell in a leaf also has a nucleus, so the nucleus in the leaf also has electrons and protons surrounding it?

Q.

Which of the following cell organelle is known as the protein factory of the cell?

1. Cytoplasm

2. Ribosomes

3. Mitochondria

4. Endoplasmic Reticulum

Q.

The jelly like substance present between the cell membrane and the nucleus is called the ______.

1. mitochondrion
2. nucleoplasm
3. cytoplasm
4. lysosome

Q.

Mention the significance of the nucleus

Q.

What is another name of Lysosome?

Q.

Nucleus is present in-

Q.

The outermost boundary of an animal cell is the -

1. plasma membrane

2. nucleus

3. cytoplasm

4. cytoskeleton

Q. Differentiate between the following pairs of terms :
(a) Protoplasm and cytoplasm
(b) Nucleolus and nucleus
(c) Centrosome and chromosome
(d) Cell wall and cell membrane
(e) Plant cell and animal cell
(f) Prokaryotes and eukaryotes

Q.

"A cell without a nucleus is with no future". Comment.

Q.

Cytoplasm consist of two main components: ________ and ________.

Q.

What is the main function of chromatin in a plant cell?

Q. Statement 1: The nucleus is surrounded by a jelly-like substance called cytoplasm.

Statement 2: The cell is enclosed by a thin outer boundary called the cell membrane.

1. Both the statements are incorrect.
2. Only statement 2 is correct.
3. Both the statements are correct.
4. Only statement 1 is correct.

Q.

1. A plant cell has centrioles.

2. It has a cell wall made up of cellulose.

1. Statement 1 is true and statement 2 is false

2. Statement 1 is false and statement 2 is true

3. Both the statements are true

4. Both the statements are false

Q.

Movement of substances in and out of the cell is controlled by

1. Cytoplasm

2. Cell wall

3. Plasma membrane

4. Nuclear membrane

Q. Please give me synonyms and definition of cytoplasm.

Q.

What is similar and different between protoplasm and nucleoplasm?

Q.

Lysosomes are a waste disposal system of the cell. Explain.

Q.

Is there any organism without any cell membrane?

Q. The postulate of cell theory given by Virchow is about ________ aspect of cell.

1. structural
2. none of these
3. both a and b
4. functional

Q.

The cell is surrounded by a membrane called

1. Cell wall

2. Cell membrane

3. Cytoplasm

4. Nuclear membrane

Q. The most abundant compound in the cytoplasm is:

1. Fat
2. Water
3. Protein
4. Carbohydrates

Q.

Why is orange juice a solution?

Q. Why can't animals make food from carbon dioxide, water and sunlight, like plants do?