Home
NCERT Soltions
Class 11
Biology
Cell: The Unit of Life
New cells generate from (a) bacterial fermentation (b) regeneration of...

New cells generate from (a) bacterial fe | Class 11 Biology Chapter Cell: The Unit of Life, Cell: The Unit of Life NCERT Solutions

Question:

New cells generate from (a) bacterial fermentation (b) regeneration of old cells (c) pre-existing cells (d) abiotic materials

Answer:

(c) According to the biogenic theory, new cells can only arise from pre-existing cells. Only complete cells, in favourable conditions, can give rise to new cells.

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

Next Question >

Popular questions of class 11 Biology

Q: Describe briefly the four major groups of Protozoa.

Q: Why are living organisms classified?

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

Q: What is the difference between direct and indirect development?

Define a taxon. Give some examples of taxa at different hierarchical levels.

Q: Describe the important properties of enzymes.

What are the steps involved in formation of a root nodule?

Q: Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Q: How is a key helpful in the identification and classification of an organism?

Q: What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.

Recently Viewed Questions of Class 11 Biology

Carnivorous plants exhibit nutritional adaptation. Citing an example explain this fact.

Structure and function are correlatable in living organisms. Can you justify this by taking plasma membrane as an example?

Q: Describe the following:
(a) synapsis
(b) bivalent
(c) chiasmata
Draw a diagram to illustrate your answer.

Q: What is the basis of classification of algae?

Q: Explain the following:
(a) Role of Na+ in the generation of action potential.
(b) Mechanism of generation of light-induced impulse in the retina.
(c) Mechanism through which a sound produces a nerve impulse in the inner ear.

Q: Describe the important properties of enzymes.

Water moves up against gravity and even for a tree of 20m height, the tip receives water within two hours. The most important physiological
phenomenon which is responsible for the upward movement of water is _______________________.

Reticulate venation is found in dicot leaves while in monocot leaves venation is of parallel type. Mention one exception to this generalization.

Q: Why is the colour of a leaf kept in the dark frequently yellow, or pale green? Which pigment do you think is more stable?

Q: What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Cell: The Unit of Life.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Naidu
2018-09-21 13:33:40

What is the difference b/w regenerating cells&pre-existing cells

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 2: New cells generate from (a) bacterial fermentation (b) regeneration of old cells (c) pre-existing ce....

New cells generate from (a) bacterial fe | Class 11 Biology Chapter Cell: The Unit of Life, Cell: The Unit of Life NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 11 Biology

Recently Viewed Questions of Class 11 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 11 Biology

Subjects for Class 11

Students Also Read

Important links

Quick Links

Resources

Support