World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
What is the nature of cell walls in diatoms?
Biology
Biology

Class 11

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

11 questions

arrow
2

Chapter 2: Biological Classification

12 questions

Q1
State two economically important uses of:
(a) Heterotrophic bacteria
(b) Archaebacteria
Q2
What is the nature of cell walls in diatoms?
Q3
Find out what do the terms algal bloom and red-tides signify.
View all question
3

Chapter 3: Plant Kingdom

12 questions

arrow
4

Chapter 4: Animal Kingdom

15 questions

arrow
5

Chapter 5: Morphology of Flowering Plants

15 questions

arrow
6

Chapter 6: Anatomy of Flowering Plants

12 questions

arrow
7

Chapter 7: Structural Organization in Animals

14 questions

arrow
8

Chapter 8: Cell: The Unit of Life

14 questions

arrow
9

Chapter 9: Biomolecules

15 questions

arrow
10

Chapter 10: Cell Cycle and Cell Division

16 questions

arrow
11

Chapter 11: Transport in Plants

16 questions

arrow
12

Chapter 12: Mineral Nutrition

10 questions

arrow
13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

arrow
14

Chapter 14: Respiration in Plants

12 questions

arrow
15

Chapter 15: Plant Growth and Development

11 questions

arrow
16

Chapter 16: Digestion and Absorption

15 questions

arrow
17

Chapter 17: Breathing and Exchange of Gases

14 questions

arrow
18

Chapter 18: Body Fluids and Circulation

14 questions

arrow
19

Chapter 19: Excretory Products and their Elimination

12 questions

arrow
20

Chapter 20: Locomotion and Movement

10 questions

arrow
21

Chapter 21: Neural Control and Coordination

12 questions

arrow
22

Chapter 22: Chemical Coordination and Integration

9 questions

arrow
Question
Easy
Timing Icon

Solving time: 1 mins

What is the nature of cell walls in diatoms?

Views

Views: 5,993 students

Updated on: Mar 17, 2023

Book

Book:

Biology (NCERT)

tutor 0tutor 1tutor 2
Found 2 tutors discussing this question
Emma Discussed
What is the nature of cell walls in diatoms?
6 mins ago
Discuss this question LIVE
6 mins ago

Text SolutionText solutionverified iconVerified

The process of cell walls construction of diatoms is known as Frustule. It has two thin overlapping shells fitting into each other just as a soap-box. Their walls are made up of silica. The dead and decomposed diatoms deposit the sillica present in their walls in form of diatomaceous earth. This diatomaceous earth is very soft and quite inert. It is used in filtration of oils, sugars, and for other industrial purposes.
Was this solution helpful?
49
Share
Report
Video Solution

Filo tutor solutions (1)

Learn from their 1-to-1 discussion with Filo tutors.

filo Logo
9 mins

Uploaded on: 3/17/2023

Ask your question, on a video call with tutor

Connect instantly with this tutor

Connect now

Taught by

tutor profile picture
Nafees Ahmad

Total classes on Filo by this tutor - 14,161

Teaches : Biology, Science

Connect instantly with this tutor

Connect now

Was this solution helpful?
146
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice more questions from Biology (NCERT)

Q1
State two economically important uses of:
(a) Heterotrophic bacteria
(b) Archaebacteria
Q2
What is the nature of cell walls in diatoms?
Q3
Find out what do the terms algal bloom and red-tides signify.
View all

Practice questions from Biology (NCERT)

Question 1
Medium
Views

Views: 6,307

Give a comparative account of the classes of kingdom Fungi under the following:
(i) Mode of nutrition
(ii) Mode of reproduction 
Topic

Topic:

Biological Classification

Book

Book:

Biology (NCERT)

View solution

Question 2
Easy
Views

Views: 6,551

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

Topic:

Biological Classification

Book

Book:

Biology (NCERT)

View 4 solutions

Question 3
Hard
Views

Views: 5,859

Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.
Topic

Topic:

Biological Classification

Book

Book:

Biology (NCERT)

View 3 solutions

Question 4
Easy
Views

Views: 6,915

What are the characteristic features of Euglenoids?
Topic

Topic:

Biological Classification

Book

Book:

Biology (NCERT)

View 4 solutions

Practice more questions from Biological Classification

Question 1
Easy
Views

Views: 5,309

Embryo sac represents
  1. megaspore
  2. megagametophyte
  3. megasporophyll
  4. megagamete.
Topic

Topic:

Biological Classification

Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

View solution

Question 2
Easy
Views

Views: 5,903

African sleeping sickness is caused by
Topic

Topic:

Biological Classification

View solution

Question 3
Easy
Views

Views: 5,140

The plasmid :
  1. Help in respiration
  2. Genes found inside nucleus
  3. Is a component of cell wall of bacteria
  4. Is the genetic part in addition to DNA in micro-organisms
Topic

Topic:

Biological Classification

Book

Book:

Biology-for-NEET-Volume-1-Class-XI

View 2 solutions

Question 4
Hard
Views

Views: 6,004

Match the column I and column II
  1. A-3 B-4 C-1 D-2
  2. A-2 B-3 C-4 D-1
  3. A-3 B-4 C-2 D-1
  4. A-1 B-4 C-3 D-2
Topic

Topic:

Biological Classification

Book

Book:

Modern ABC Biology Class 11 Part 1 (Modern ABC)

View solution

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,967

2. Nitrification is the reduction of \( \mathrm{NH}_{4}+ \) to \( \mathrm{NO}_{3}- \) It is carried out in two steps, each facilitated by a different group of bacteria: Nitrification: \( \mathrm{NH}_{4}{ }^{+} \rightarrow \mathrm{NO}_{2}^{-} \) Nitrafication: \( \mathrm{NO}_{2}-\mathrm{NO}_{3}^{-} \) Both groups of bacteria are autotrophic, meaning they use \( \mathrm{HCO}_{3}{ }^{-} \)as a carbon source. a) Determine the overall yield for nitrification b) Determine which step is expected to have a greater contribution to the overall yield Note: You don't need to write the overall balanced stoichiometric reaction you just need to determine \( \mathrm{f}_{\mathrm{s}}{ }^{\mathrm{o}} \) and convert it to the yield.
Topic

Topic:

Biology

View solution

Question 2
Views

Views: 5,168

What is the main role of the carbohydrate glycogen? A. It forms part of the cell membrane. B. It stores glucose in the body of animals. C. It forms part of a phospholipid. D. It makes up for part of the DNA.
Topic

Topic:

Biology

View solution

Question 3
Views

Views: 5,236

Energy and precursor compounds can be acquired through the following sources: Complex media Selective and/or differential media Nutrient media A reduced medium Chromogenic media Saliva, blood, and muscle
Topic

Topic:

Biology

View solution

Question 4
Views

Views: 5,510

Pituitary Hormone levels Ovarian Uterine events Hormone levels Ovarian events FSH avs 50 Developing follicle Menses - Menstruation LH Mature follicle Estrogen Ovulation Progesterone Developing corpus luteum 13 13 Follicular phase (Proliferative phase) Regressing corpus luteum 15 17 19 21 23 25 27 2071 Luteal phase (Secretory phase) Next cycle begins Figure 3.9 Diagrammatic presentation of various events during a menstrual cycle of each menstrual cycle The major events of the menstrual cycle are shown in Figure 3.9 The cycle starts with the menstrual phase, when menstrual flow occurs and it lasts for 3-5 days. The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels which forms liquid that comes out through vagina Menstruation only occurs if the released ovum is not fertilised. Lack of menstruation may be indicative of pregnancy However. It may also be caused due to some other underlying causes like stress, poor health etc The menstrual phase is followed by the follicular phase. During this phase, the primary follicles in the ovary grow to become a fully mature Graafian follicle and simultaneously the endometrius of uterus regenerates through proliferation These changes in the ovary and the uterus are induced by changes in the levels o pituitary and ovarian hormones (Figure 3.9). The secretion o
Topic

Topic:

Human Physiology

View solution

View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Biology tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Related books for questions on Biological Classification

next icon
next icon
Question Text
What is the nature of cell walls in diatoms?
Updated OnMar 17, 2023
TopicBiological Classification
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes195
Avg. Video Duration9 min