Advertisement Remove all ads

Question Bank Solutions for ISC (Science) Class 12 - CISCE - Biology (Theory)

Advertisement Remove all ads
Subjects
Topics
Subjects
Popular subjects
Topics
Biology (Theory)
< prev 1 to 20 of 318 next > 

Why is non-cyclic photo phosphorylation considered as a non-cyclic pathway?

[1.02] Sexual Reproduction in Flowering Plants
Chapter: [1.02] Sexual Reproduction in Flowering Plants
Concept: Introduction of Sexual Reproduction in Flowering Plants

Name the scientists who Invented the CT scan

[3.01] Human Health and Diseases
Chapter: [3.01] Human Health and Diseases
Concept: Introduction of Human Health and Diseases

With the help of diagrams, name and describe the different types of placentation seen in angiosperms.

[1.02] Sexual Reproduction in Flowering Plants
Chapter: [1.02] Sexual Reproduction in Flowering Plants
Concept: Introduction of Sexual Reproduction in Flowering Plants

Explain the mechanism of action of T cells to antigens.

[2.02] Molecular Basis of Inheritance
Chapter: [2.02] Molecular Basis of Inheritance
Concept: Introduction of Molecular Basis of Inheritance

State four causes of population growth.

[5.01] Organisms and Populations
Chapter: [5.01] Organisms and Populations
Concept: Introduction of Organisms and Populations

State consequences of population growth.

[5.01] Organisms and Populations
Chapter: [5.01] Organisms and Populations
Concept: Introduction of Organisms and Populations

Give reasons for the following:

At higher temperatures, green plants start evolving CO2 instead of O2.

[5.02] Ecosystem
Chapter: [5.02] Ecosystem
Concept: Introduction and Types of Ecosystem

If the haploid number of chromosomes in a plant species is 20, how many chromosomes will be
present in the cells of the shoot tip?

[1.02] Sexual Reproduction in Flowering Plants
Chapter: [1.02] Sexual Reproduction in Flowering Plants
Concept: Introduction of Sexual Reproduction in Flowering Plants

Give one significant contribution of the given scientist

E. Wilson

[5.03] Biodiversity and Its Conservation
Chapter: [5.03] Biodiversity and Its Conservation
Concept: Concept of Biodiversity

Give one significant contribution of the given scientists:

M. S. Swaminathan

[3.02] Strategies for Enhancement in Food Production
Chapter: [3.02] Strategies for Enhancement in Food Production
Concept: Introduction of Strategies for Enhancement in Food Production

Draw a labelled diagram of L.S. of human testis.

[1.03] Human Reproduction
Chapter: [1.03] Human Reproduction
Concept: The Male Reproductive System

Study the table given below. Do not copy the table, but write the answers in the correct order

Scientific Name Commercial Product Use
(a) ____________ Streptokinase (b) ____________
Monascus purpureus (c) ____________ (d) ____________
(e) ____________ Lactic acid (f) ____________
[3.03] Microbes in Human Welfare
Chapter: [3.03] Microbes in Human Welfare
Concept: Introduction of Microbes in Human Welfare

Explain industrial melanism.

[5.04] Environmental Issues
Chapter: [5.04] Environmental Issues
Concept: Introduction of Environmental Issues

Define Spermatogenesis

[1.03] Human Reproduction
Chapter: [1.03] Human Reproduction
Concept: The Male Reproductive System

Define Reproductive health

[1.03] Human Reproduction
Chapter: [1.03] Human Reproduction
Concept: The Male Reproductive System

Define Hotspots

[5.03] Biodiversity and Its Conservation
Chapter: [5.03] Biodiversity and Its Conservation
Concept: Concept of Biodiversity

Define Ramsar Sites

[5.03] Biodiversity and Its Conservation
Chapter: [5.03] Biodiversity and Its Conservation
Concept: Concept of Biodiversity

Define Biodiversity

[5.03] Biodiversity and Its Conservation
Chapter: [5.03] Biodiversity and Its Conservation
Concept: Concept of Biodiversity

Define Eutrophication

[5.03] Biodiversity and Its Conservation
Chapter: [5.03] Biodiversity and Its Conservation
Concept: Concept of Biodiversity

What does PCR stand for? Describe the different steps of PCR

[4.01] Biotechnology - Principles and Processes
Chapter: [4.01] Biotechnology - Principles and Processes
Concept: Principles of Biotechnology
< prev 1 to 20 of 318 next > 
Advertisement Remove all ads
Question Bank Solutions for ISC (Science) Class 12 CISCE Biology (Theory). You can further filter Question Bank Solutions by subjects and topics. Solutions for most of the questions for CISCE can be found here on Shaalaa.com. You can use these solutions to prepare for your studies and ace in exams. Solving questions is a great way to practice and with Shaalaa.com, you can answer a question and then also check your answer with the solutions provided.
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×