class 12 science biology solutions

Ratan Rai

Asked: October 18, 2021In: Class 12 Biology

What are the basic characteristics of a modern land fill sites. List any three and mention the reasons for their use.

Class XII Science Biology Solutions 12th Biology Terminal Exam Based Extra Questions Class 12th Biology Sample paper Questions 12th Biology Science Session 2022-23

Haldi Ram

Asked: October 18, 2021In: Class 12 Biology

Define transgenic animals. Explain in detail any four areas where they can be utilised.

Class XII Science Biology Solutions 12th Biology NCERT Syllabus Questions 12th Biology Science Session 2022-23 12th Biology Terminal Exam Based Extra Questions

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Charlie

Asked: October 18, 2021In: Class 12 Biology

Select the options that are true for both asexual and sexual reproduction from the options given below:

A few statements describing certain features of reproduction are given below: i. Gametic fusion takes place ii. Transfer of genetic material takes place iii. Reduction division takes place iv. Progeny have some resemblance with parents

Ratan Rai

Asked: October 18, 2021In: Class 12 Biology

Write a short note on electronic waste. List the various sources of e- wastes and the problems associated with the disposal of e-waste.

Class 12 Science Biology Important Questions Class 12th Biology Sample paper Questions 12th Biology NCERT Syllabus Questions Class 12 Science Biology Terminal Exams Solutions

Parul

Asked: October 15, 2021In: Class 12 Biology

Elaborate how invasion by an alien species reduces the species diversity of an area.

Class XII Science Biology Extra Questions Class 12th Biology Sample paper Questions 12th Biology Terminal Exam Based Extra Questions 12th Biology NCERT Syllabus Questions

What are the basic characteristics of a modern land fill sites. List any three and mention the reasons for their use.

Define transgenic animals. Explain in detail any four areas where they can be utilised.

Select the options that are true for both asexual and sexual reproduction from the options given below:

Write a short note on electronic waste. List the various sources of e- wastes and the problems associated with the disposal of e-waste.

Elaborate how invasion by an alien species reduces the species diversity of an area.

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