Prokaryotic and Eukaryotic Cells

Q.

Are all prokaryotes unicellular?

Q.

What is the structure of a prokaryotic cell?

Q.

A group of cells performing a particular function is ______.

Q.

What are the steps involved in the nitrogen cycle?

Q.

How can prokaryotes live without a nucleus?

Q. Which of the following is correct about amoeba?
i. Amoeba is a prokaryotic organism
ii. Amoeba takes its food by the process of phagocytosis
iii. Amoeba moves with the help of pseudopodia
iv. Amoeba is oval shaped

1. i, iii and iv

2. iii and iv

3. ii and iii

4. i and iv

Q.

Which of the following does not have a nucleus in its cell?

1. Fungi

2. Bacteria

3. Algae

4. Protists

Q.

What is the primary product of nitrogen fixation?

Q.

A constituent of air used by plants to make protein?

Q. Nitrogen gas cannot be used by plants directly.

1. True
2. False

Q.

The cytoplasm is made up of four basic elements like C, H, N, and O which are derived from

1. Carbohydrates

2. Protein

3. Water

4. All of these

Q. Which of the following process converts nitrate back into the atmospheric N₂?

1. Nitrification
2. Nitrogen fixation
3. Ammonification
4. Denitrification

Q. Cells with a nucleus are called __________ and cells without a well-defined nucleus are called__________.

1. unicellular, multicellular
2. prokaryotic, eukaryotic
3. eukaryotic, prokaryotic
4. multicellular, unicellular

Q.

What is the tissue? Give two examples.

Q.

What are interesting facts about spirilla?

Q. Most of the space in eukaryotic cell is occupied by the ____.

1. nucleus
2. chloroplast
3. mitochondria
4. cytoplasm

Q.

Describe the gliding movement of bacteria.

Q. You have given with two slides, one with a spread of cheek cells and the other one with an onion peel. Which of the following structure, you won't see in both slides?

1. Nucleus
2. Mitochondria
3. Cell wall
4. Cell membrane

Q. Which part of cell contain organelles . State two cell organelles

Q.

4. Presence of oxygen increases nitrogen fixation in Rhizobium.

1. True
2. False

Q. Identify the nucleoid.

1. 
2. 
3. 

Q. Identify P and Q.
‘P’ is an organelle responsible for energy production.
‘Q’ is a region where genetic material is present in prokaryotes.

1. P: Chloroplast, Q: Mitochondria
2. P: Mitochondria, Q: Nucleoid
3. P: Chloroplast, Q: Nucleus
4. P: Ribosome, Q: Ribosome

Q. Identify the diseases group that are transmitted through water.

1. Hepatitis, Typhoid
2. Chicken pox, Influenza
3. Cold, COVID-19
4. Malaria, Dengue

Q. Identify the bacteria type given in the image.

1. Cocci
2. Vibrio
3. Bacilli
4. Spirilla

Q. Cells with a nucleus are called __________ and cells without a well-defined nucleus are called__________.

1. unicellular, multicellular
2. prokaryotic, eukaryotic
3. eukaryotic, prokaryotic
4. multicellular, unicellular

Q. The main arena of various types of cellular activities is:

1. Nucleus
2. Plasma membrane
3. Mitochondria
4. Cytoplasm

Q.

Choose the forms in which most plants absorb nitrogen.

(i) Proteins

(ii) Nitrates and nitrites

(III) Urea

(iv) Atmospheric nitrogen

1. (i) and (ii)

2. (ii) and (iii)

3. (iii) and (iv)

4. (i) and (iv)

Q. Prokaryotic flagella possess

1. Helically arranged protein molecule.
2. Protein membrane enclosed fibre.
3. Unit membrane enclosed fibre.
4. Microtubular 9+2 membrane enclosed structure.

Q.

Give any two differences between the following:

Cytoplasm and Protoplasm

Q. Identify
a. the organism
b. the shape of the organism
c. the type of the organism based on the number of cells.